diff --git a/automotive/vehicle/2.0/Android.mk b/automotive/vehicle/2.0/Android.mk
index c540027..f976c39 100644
--- a/automotive/vehicle/2.0/Android.mk
+++ b/automotive/vehicle/2.0/Android.mk
@@ -17,177 +17,6 @@
 
 
 #
-# Build types.hal (CommonIgnitionMonitors)
-#
-GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_0/CommonIgnitionMonitors.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.automotive.vehicle@2.0::types.CommonIgnitionMonitors
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
-# Build types.hal (CompressionIgnitionMonitors)
-#
-GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_0/CompressionIgnitionMonitors.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.automotive.vehicle@2.0::types.CompressionIgnitionMonitors
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
-# Build types.hal (FuelSystemStatus)
-#
-GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_0/FuelSystemStatus.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.automotive.vehicle@2.0::types.FuelSystemStatus
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
-# Build types.hal (FuelType)
-#
-GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_0/FuelType.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.automotive.vehicle@2.0::types.FuelType
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
-# Build types.hal (IgnitionMonitorKind)
-#
-GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_0/IgnitionMonitorKind.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.automotive.vehicle@2.0::types.IgnitionMonitorKind
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
-# Build types.hal (Obd2FloatSensorIndex)
-#
-GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_0/Obd2FloatSensorIndex.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.automotive.vehicle@2.0::types.Obd2FloatSensorIndex
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
-# Build types.hal (Obd2IntegerSensorIndex)
-#
-GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_0/Obd2IntegerSensorIndex.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.automotive.vehicle@2.0::types.Obd2IntegerSensorIndex
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
-# Build types.hal (SecondaryAirStatus)
-#
-GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_0/SecondaryAirStatus.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.automotive.vehicle@2.0::types.SecondaryAirStatus
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
-# Build types.hal (SparkIgnitionMonitors)
-#
-GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_0/SparkIgnitionMonitors.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.automotive.vehicle@2.0::types.SparkIgnitionMonitors
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
 # Build types.hal (StatusCode)
 #
 GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_0/StatusCode.java
@@ -1198,177 +1027,6 @@
 
 
 #
-# Build types.hal (CommonIgnitionMonitors)
-#
-GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_0/CommonIgnitionMonitors.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.automotive.vehicle@2.0::types.CommonIgnitionMonitors
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
-# Build types.hal (CompressionIgnitionMonitors)
-#
-GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_0/CompressionIgnitionMonitors.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.automotive.vehicle@2.0::types.CompressionIgnitionMonitors
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
-# Build types.hal (FuelSystemStatus)
-#
-GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_0/FuelSystemStatus.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.automotive.vehicle@2.0::types.FuelSystemStatus
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
-# Build types.hal (FuelType)
-#
-GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_0/FuelType.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.automotive.vehicle@2.0::types.FuelType
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
-# Build types.hal (IgnitionMonitorKind)
-#
-GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_0/IgnitionMonitorKind.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.automotive.vehicle@2.0::types.IgnitionMonitorKind
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
-# Build types.hal (Obd2FloatSensorIndex)
-#
-GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_0/Obd2FloatSensorIndex.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.automotive.vehicle@2.0::types.Obd2FloatSensorIndex
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
-# Build types.hal (Obd2IntegerSensorIndex)
-#
-GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_0/Obd2IntegerSensorIndex.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.automotive.vehicle@2.0::types.Obd2IntegerSensorIndex
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
-# Build types.hal (SecondaryAirStatus)
-#
-GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_0/SecondaryAirStatus.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.automotive.vehicle@2.0::types.SecondaryAirStatus
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
-# Build types.hal (SparkIgnitionMonitors)
-#
-GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_0/SparkIgnitionMonitors.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.automotive.vehicle@2.0::types.SparkIgnitionMonitors
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
 # Build types.hal (StatusCode)
 #
 GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_0/StatusCode.java
diff --git a/automotive/vehicle/2.0/default/Android.mk b/automotive/vehicle/2.0/default/Android.mk
index 324be51..fcfe3df 100644
--- a/automotive/vehicle/2.0/default/Android.mk
+++ b/automotive/vehicle/2.0/default/Android.mk
@@ -23,7 +23,6 @@
 LOCAL_MODULE := $(vhal_v2_0)-manager-lib
 LOCAL_SRC_FILES := \
     common/src/AccessControlConfigParser.cpp \
-    common/src/Obd2SensorStore.cpp \
     common/src/SubscriptionManager.cpp \
     common/src/VehicleHalManager.cpp \
     common/src/VehicleObjectPool.cpp \
@@ -114,7 +113,6 @@
 
 LOCAL_SRC_FILES:= \
     tests/AccessControlConfigParser_test.cpp \
-    tests/Obd2SensorStore_test.cpp \
     tests/SubscriptionManager_test.cpp \
     tests/VehicleHalManager_test.cpp \
     tests/VehicleObjectPool_test.cpp \
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/DefaultConfig.h b/automotive/vehicle/2.0/default/impl/vhal_v2_0/DefaultConfig.h
index ec08a43..02f8438 100644
--- a/automotive/vehicle/2.0/default/impl/vhal_v2_0/DefaultConfig.h
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/DefaultConfig.h
@@ -160,32 +160,6 @@
         .prop = toInt(VehicleProperty::IGNITION_STATE),
         .access = VehiclePropertyAccess::READ,
         .changeMode = VehiclePropertyChangeMode::ON_CHANGE,
-    },
-
-    {
-        .prop = toInt(VehicleProperty::OBD2_LIVE_FRAME),
-        .access = VehiclePropertyAccess::READ,
-        .changeMode = VehiclePropertyChangeMode::ON_CHANGE,
-        .configArray = {0,0}
-    },
-
-    {
-        .prop = toInt(VehicleProperty::OBD2_FREEZE_FRAME),
-        .access = VehiclePropertyAccess::READ,
-        .changeMode = VehiclePropertyChangeMode::ON_CHANGE,
-        .configArray = {0,0}
-    },
-
-    {
-        .prop = toInt(VehicleProperty::OBD2_FREEZE_FRAME_INFO),
-        .access = VehiclePropertyAccess::READ,
-        .changeMode = VehiclePropertyChangeMode::ON_CHANGE
-    },
-
-    {
-        .prop = toInt(VehicleProperty::OBD2_FREEZE_FRAME_CLEAR),
-        .access = VehiclePropertyAccess::WRITE,
-        .changeMode = VehiclePropertyChangeMode::ON_CHANGE
     }
 };
 
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/DefaultVehicleHal.cpp b/automotive/vehicle/2.0/default/impl/vhal_v2_0/DefaultVehicleHal.cpp
index d3d77b6..f21e950 100644
--- a/automotive/vehicle/2.0/default/impl/vhal_v2_0/DefaultVehicleHal.cpp
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/DefaultVehicleHal.cpp
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#define LOG_TAG "DefaultVehicleHal"
+#define LOG_TAG "DefaultVehicleHal_v2_0"
 #include <android/log.h>
 
 #include <algorithm>
@@ -181,115 +181,6 @@
     return nullptr;
 }
 
-static std::unique_ptr<Obd2SensorStore> fillDefaultObd2Frame(
-        size_t numVendorIntegerSensors,
-        size_t numVendorFloatSensors) {
-    std::unique_ptr<Obd2SensorStore> sensorStore(new Obd2SensorStore(
-            numVendorIntegerSensors, numVendorFloatSensors));
-
-    sensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::FUEL_SYSTEM_STATUS,
-        toInt(FuelSystemStatus::CLOSED_LOOP));
-    sensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::MALFUNCTION_INDICATOR_LIGHT_ON, 0);
-    sensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::IGNITION_MONITORS_SUPPORTED,
-        toInt(IgnitionMonitorKind::SPARK));
-    sensorStore->setIntegerSensor(Obd2IntegerSensorIndex::IGNITION_SPECIFIC_MONITORS,
-        CommonIgnitionMonitors::COMPONENTS_AVAILABLE |
-        CommonIgnitionMonitors::MISFIRE_AVAILABLE |
-        SparkIgnitionMonitors::AC_REFRIGERANT_AVAILABLE |
-        SparkIgnitionMonitors::EVAPORATIVE_SYSTEM_AVAILABLE);
-    sensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::INTAKE_AIR_TEMPERATURE, 35);
-    sensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::COMMANDED_SECONDARY_AIR_STATUS,
-        toInt(SecondaryAirStatus::FROM_OUTSIDE_OR_OFF));
-    sensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::NUM_OXYGEN_SENSORS_PRESENT, 1);
-    sensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::RUNTIME_SINCE_ENGINE_START, 500);
-    sensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::DISTANCE_TRAVELED_WITH_MALFUNCTION_INDICATOR_LIGHT_ON, 0);
-    sensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::WARMUPS_SINCE_CODES_CLEARED, 51);
-    sensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::DISTANCE_TRAVELED_SINCE_CODES_CLEARED, 365);
-    sensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::ABSOLUTE_BAROMETRIC_PRESSURE, 30);
-    sensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::CONTROL_MODULE_VOLTAGE, 12);
-    sensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::AMBIENT_AIR_TEMPERATURE, 18);
-    sensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::MAX_FUEL_AIR_EQUIVALENCE_RATIO, 1);
-    sensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::FUEL_TYPE, toInt(FuelType::GASOLINE));
-    sensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::CALCULATED_ENGINE_LOAD, 0.153);
-    sensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::SHORT_TERM_FUEL_TRIM_BANK1, -0.16);
-    sensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::LONG_TERM_FUEL_TRIM_BANK1, -0.16);
-    sensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::SHORT_TERM_FUEL_TRIM_BANK2, -0.16);
-    sensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::LONG_TERM_FUEL_TRIM_BANK2, -0.16);
-    sensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::INTAKE_MANIFOLD_ABSOLUTE_PRESSURE, 7.5);
-    sensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::ENGINE_RPM, 1250.);
-    sensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::VEHICLE_SPEED, 40.);
-    sensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::TIMING_ADVANCE, 2.5);
-    sensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::THROTTLE_POSITION, 19.75);
-    sensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::OXYGEN_SENSOR1_VOLTAGE, 0.265);
-    sensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::FUEL_TANK_LEVEL_INPUT, 0.824);
-    sensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::EVAPORATION_SYSTEM_VAPOR_PRESSURE, -0.373);
-    sensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::CATALYST_TEMPERATURE_BANK1_SENSOR1, 190.);
-    sensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::RELATIVE_THROTTLE_POSITION, 3.);
-    sensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::ABSOLUTE_THROTTLE_POSITION_B, 0.306);
-    sensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::ACCELERATOR_PEDAL_POSITION_D, 0.188);
-    sensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::ACCELERATOR_PEDAL_POSITION_E, 0.094);
-    sensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::COMMANDED_THROTTLE_ACTUATOR, 0.024);
-
-    return sensorStore;
-}
-
-void DefaultVehicleHal::initObd2LiveFrame(VehiclePropConfig& propConfig) {
-    auto sensorStore = fillDefaultObd2Frame(propConfig.configArray[0],
-            propConfig.configArray[1]);
-    mLiveObd2Frame = createVehiclePropValue(VehiclePropertyType::COMPLEX, 0);
-    sensorStore->fillPropValue(mLiveObd2Frame.get(), "");
-}
-
-void DefaultVehicleHal::initObd2FreezeFrame(VehiclePropConfig& propConfig) {
-    auto sensorStore = fillDefaultObd2Frame(propConfig.configArray[0],
-            propConfig.configArray[1]);
-
-    mFreezeObd2Frames.push_back(
-            createVehiclePropValue(VehiclePropertyType::COMPLEX,0));
-    mFreezeObd2Frames.push_back(
-            createVehiclePropValue(VehiclePropertyType::COMPLEX,0));
-    mFreezeObd2Frames.push_back(
-            createVehiclePropValue(VehiclePropertyType::COMPLEX,0));
-
-    sensorStore->fillPropValue(mFreezeObd2Frames[0].get(), "P0070");
-    sensorStore->fillPropValue(mFreezeObd2Frames[1].get(), "P0102");
-    sensorStore->fillPropValue(mFreezeObd2Frames[2].get(), "P0123");
-}
-
 void DefaultVehicleHal::parseRxProtoBuf(std::vector<uint8_t>& msg) {
     emulator::EmulatorMessage rxMsg;
     emulator::EmulatorMessage respMsg;
@@ -555,12 +446,6 @@
     case toInt(VehicleProperty::IGNITION_STATE):
         prop->value.int32Values[0] = toInt(VehicleIgnitionState::ON);
         break;
-    case toInt(VehicleProperty::OBD2_LIVE_FRAME):
-        // OBD2 is handled separately
-        break;
-    case toInt(VehicleProperty::OBD2_FREEZE_FRAME):
-        // OBD2 is handled separately
-        break;
     default:
         ALOGW("%s: propId=0x%x not found", __FUNCTION__, prop->prop);
         break;
@@ -622,18 +507,6 @@
     VehiclePropValuePtr v = nullptr;
 
     switch (propId) {
-    case toInt(VehicleProperty::OBD2_LIVE_FRAME):
-        v = pool.obtainComplex();
-        status = fillObd2LiveFrame(v.get());
-        break;
-    case toInt(VehicleProperty::OBD2_FREEZE_FRAME):
-        v = pool.obtainComplex();
-        status = fillObd2FreezeFrame(requestedPropValue, v.get());
-        break;
-    case toInt(VehicleProperty::OBD2_FREEZE_FRAME_INFO):
-        v = pool.obtainComplex();
-        status = fillObd2DtcInfo(v.get());
-        break;
     default:
         {
             std::lock_guard<std::mutex> lock(mPropsMutex);
@@ -660,9 +533,6 @@
     auto propId = propValue.prop;
     StatusCode status;
     switch (propId) {
-        case toInt(VehicleProperty::OBD2_FREEZE_FRAME_CLEAR):
-            status = clearObd2FreezeFrames(propValue);
-            break;
         default:
             status = updateProperty(propValue);
             if (status == StatusCode::OK) {
@@ -715,12 +585,6 @@
             break;
         case VehiclePropertyType::COMPLEX:
             switch (cfg.prop) {
-            case toInt(VehicleProperty::OBD2_LIVE_FRAME):
-                initObd2LiveFrame(cfg);
-                break;
-            case toInt(VehicleProperty::OBD2_FREEZE_FRAME):
-                initObd2FreezeFrame(cfg);
-                break;
             default:
                 // Need to handle each complex property separately
                 break;
@@ -762,79 +626,6 @@
     mThread = std::thread(&DefaultVehicleHal::rxThread, this);
 }
 
-StatusCode DefaultVehicleHal::fillObd2LiveFrame(VehiclePropValue* v) {
-    v->prop = toInt(VehicleProperty::OBD2_LIVE_FRAME);
-    v->value.int32Values = mLiveObd2Frame->value.int32Values;
-    v->value.floatValues = mLiveObd2Frame->value.floatValues;
-    v->value.bytes = mLiveObd2Frame->value.bytes;
-    return StatusCode::OK;
-}
-
-template<typename Iterable>
-typename Iterable::const_iterator findPropValueAtTimestamp(
-        const Iterable& frames,
-        int64_t timestamp) {
-    return std::find_if(frames.begin(),
-            frames.end(),
-            [timestamp] (const std::unique_ptr<VehiclePropValue>&
-                         propValue) -> bool {
-                             return propValue->timestamp == timestamp;
-            });
-}
-
-StatusCode DefaultVehicleHal::fillObd2FreezeFrame(
-        const VehiclePropValue& requestedPropValue, VehiclePropValue* v) {
-    if (requestedPropValue.value.int64Values.size() != 1) {
-        ALOGE("asked for OBD2_FREEZE_FRAME without valid timestamp");
-        return StatusCode::INVALID_ARG;
-    }
-    auto timestamp = requestedPropValue.value.int64Values[0];
-    auto freezeFrameIter = findPropValueAtTimestamp(mFreezeObd2Frames,
-            timestamp);
-    if(mFreezeObd2Frames.end() == freezeFrameIter) {
-        ALOGE("asked for OBD2_FREEZE_FRAME at invalid timestamp");
-        return StatusCode::INVALID_ARG;
-    }
-    const std::unique_ptr<VehiclePropValue>& freezeFrame = *freezeFrameIter;
-    v->prop = toInt(VehicleProperty::OBD2_FREEZE_FRAME);
-    v->value.int32Values = freezeFrame->value.int32Values;
-    v->value.floatValues = freezeFrame->value.floatValues;
-    v->value.bytes = freezeFrame->value.bytes;
-    v->value.stringValue = freezeFrame->value.stringValue;
-    v->timestamp = freezeFrame->timestamp;
-    return StatusCode::OK;
-}
-
-StatusCode DefaultVehicleHal::clearObd2FreezeFrames(
-    const VehiclePropValue& propValue) {
-    if (propValue.value.int64Values.size() == 0) {
-        mFreezeObd2Frames.clear();
-        return StatusCode::OK;
-    } else {
-        for(int64_t timestamp: propValue.value.int64Values) {
-            auto freezeFrameIter = findPropValueAtTimestamp(mFreezeObd2Frames,
-                    timestamp);
-            if(mFreezeObd2Frames.end() == freezeFrameIter) {
-                ALOGE("asked for OBD2_FREEZE_FRAME at invalid timestamp");
-                return StatusCode::INVALID_ARG;
-            }
-            mFreezeObd2Frames.erase(freezeFrameIter);
-        }
-    }
-    return StatusCode::OK;
-}
-
-StatusCode DefaultVehicleHal::fillObd2DtcInfo(VehiclePropValue* v) {
-    std::vector<int64_t> timestamps;
-    for(const auto& freezeFrame: mFreezeObd2Frames) {
-        timestamps.push_back(freezeFrame->timestamp);
-    }
-    v->value.int64Values = timestamps;
-    return StatusCode::OK;
-}
-
-
-
 }  // impl
 
 }  // namespace V2_0
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/DefaultVehicleHal.h b/automotive/vehicle/2.0/default/impl/vhal_v2_0/DefaultVehicleHal.h
index 51f7ba3..29e8a9f 100644
--- a/automotive/vehicle/2.0/default/impl/vhal_v2_0/DefaultVehicleHal.h
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/DefaultVehicleHal.h
@@ -24,7 +24,6 @@
 #include <utils/SystemClock.h>
 
 #include <vhal_v2_0/VehicleHal.h>
-#include <vhal_v2_0/Obd2SensorStore.h>
 
 #include "DefaultConfig.h"
 #include "VehicleHalProto.pb.h"
@@ -86,8 +85,6 @@
     void doGetPropertyAll(emulator::EmulatorMessage& rxMsg, emulator::EmulatorMessage& respMsg);
     void doSetProperty(emulator::EmulatorMessage& rxMsg, emulator::EmulatorMessage& respMsg);
     VehiclePropValue* getVehiclePropValueLocked(int32_t propId, int32_t areaId);
-    void initObd2LiveFrame(VehiclePropConfig& propConfig);
-    void initObd2FreezeFrame(VehiclePropConfig& propConfig);
     void parseRxProtoBuf(std::vector<uint8_t>& msg);
     void populateProtoVehicleConfig(emulator::VehiclePropConfig* protoCfg,
                                     const VehiclePropConfig& cfg);
@@ -98,18 +95,11 @@
     void rxThread(void);
     void txMsg(emulator::EmulatorMessage& txMsg);
     StatusCode updateProperty(const VehiclePropValue& propValue);
-    StatusCode fillObd2LiveFrame(VehiclePropValue* v);
-    StatusCode fillObd2FreezeFrame(const VehiclePropValue& requestedPropValue,
-            VehiclePropValue* v);
-    StatusCode fillObd2DtcInfo(VehiclePropValue *v);
-    StatusCode clearObd2FreezeFrames(const VehiclePropValue& propValue);
 private:
     // TODO:  Use a hashtable to support indexing props
     std::vector<std::unique_ptr<VehiclePropValue>> mProps;
     std::atomic<int> mCurSocket;
     std::atomic<int> mExit;
-    std::unique_ptr<VehiclePropValue> mLiveObd2Frame {nullptr};
-    std::vector<std::unique_ptr<VehiclePropValue>> mFreezeObd2Frames;
     std::mutex mPropsMutex;
     int mSocket;
     std::mutex mTxMutex;
diff --git a/automotive/vehicle/2.0/types.hal b/automotive/vehicle/2.0/types.hal
index 8da0568..0d2dfdd 100644
--- a/automotive/vehicle/2.0/types.hal
+++ b/automotive/vehicle/2.0/types.hal
@@ -1810,138 +1810,8 @@
         | VehiclePropertyGroup:SYSTEM
         | VehiclePropertyType:COMPLEX
         | VehicleArea:GLOBAL),
-
-    /*
-     * OBD2 Live Sensor Data
-     *
-     * This property uses COMPLEX data to send a snapshot of the current (live)
-     * values of the OBD2 sensors provided by the vehicle.
-     *
-     * VehiclePropConfig
-     *   configArray[0] : number of vendor-specific integer-valued sensors
-     *                    that can be returned in a frame.
-     *   configArray[1] : number of vendor-specific float-valued sensors
-     *                    that can be returned in a frame.
-     *
-     * The values are to be interpreted as follows:
-     * the indices defined in Obd2IntegerSensorIndex are to be used to
-     * read from int32Values;
-     * the indices defined in Obd2FloatSensorIndex are to be used to
-     * read from floatValues.
-     * the elements of bytes are to be interpreted as a bitmask, such that
-     * the bits 0 thru the integer value of
-     * Obd2IntegerSensorIndex.LAST_SYSTEM_INDEX + the value of configArray[0]
-     * are 1 if the corresponding index is a valid sensor index whose value can
-     * be read in the returned int32Values vector, 0 otherwise.
-     * the bits Obd2IntegerSensorIndex.LAST_SYSTEM_INDEX+1 thru
-     * Obd2FloatingSensorIndex.LAST_SYSTEM_INDEX + the value of configArray[1]
-     * are 1 if the corresponding index is a valid sensor index whose value
-     * can be read in the returned floatValues vector, 0 otherwise.
-     *
-     * For example, int32Values[0] corresponds to FUEL_SYSTEM_STATUS, and
-     * floatValues[0] corresponds to CALCULATED_ENGINE_LOAD, but that mapping
-     * is only valid if the corresponding bits in the bytes vector are set to 1.
-     *
-     * @change_mode VehiclePropertyChangeMode:ON_CHANGE
-     * @access VehiclePropertyAccess:READ
-     */
-    OBD2_LIVE_FRAME = (
-        0x0D00
-        | VehiclePropertyGroup:SYSTEM
-        | VehiclePropertyType:COMPLEX
-        | VehicleArea:GLOBAL),
-
-    /*
-     * OBD2 Freeze Frame Sensor Data
-     *
-     * This property uses COMPLEX data to send a snapshot of the values of the
-     * OBD2 sensors provided by the vehicle at the time that a diagnostic
-     * troubleshooting code (DTC) was recorded by the vehicle.
-     *
-     * VehiclePropConfig
-     *   configArray[0] : number of vendor-specific integer-valued sensors
-     *                    that can be returned in a frame.
-     *   configArray[1] : number of vendor-specific float-valued sensors
-     *                    that can be returned in a frame.
-     *
-     * A get of this property must take the following form:
-     *   int64Values[0]: timestamp of the freeze frame to retrieve.
-     *                   Valid timestamps are given by OBD2_DTC_INFO.
-     *
-     * The values are to be interpreted as follows:
-     * the indices defined in Obd2IntegerSensorIndex are to be used to
-     * read from int32Values;
-     * the indices defined in Obd2FloatSensorIndex are to be used to
-     * read from floatValues;
-     * the elements of bytes are to be interpreted as a bitmask, such that
-     * the bits 0 thru the integer value of
-     * Obd2IntegerSensorIndex.LAST_SYSTEM_INDEX + the value of configArray[0]
-     * are 1 if the corresponding index is a valid sensor index whose value can
-     * be read in the returned int32Values vector, 0 otherwise.
-     * the bits Obd2IntegerSensorIndex.LAST_SYSTEM_INDEX+1 thru
-     * Obd2FloatingSensorIndex.LAST_SYSTEM_INDEX + the value of configArray[1]
-     * are 1 if the corresponding index is a valid sensor index whose value
-     * can be read in the returned floatValues vector, 0 otherwise.
-     * stringValue is the DTC that caused this freeze frame to be recorded.
-     *
-     * For example, int32Values[0] corresponds to FUEL_SYSTEM_STATUS, and
-     * floatValues[0] corresponds to CALCULATED_ENGINE_LOAD, but that mapping
-     * is only valid if the corresponding bits in the bytes vector are set to 1,
-     * and a possible valid stringValue is "P0176" to indicate a malfunction
-     * of the fuel composition sensor circuit.
-     *
-     * @change_mode VehiclePropertyChangeMode:ON_CHANGE
-     * @access VehiclePropertyAccess:READ
-     */
-    OBD2_FREEZE_FRAME = (
-        0x0D01
-        | VehiclePropertyGroup:SYSTEM
-        | VehiclePropertyType:COMPLEX
-        | VehicleArea:GLOBAL),
-
-    /*
-     * OBD2 Freeze Frame Information
-     *
-     * This property describes the current freeze frames stored in vehicle
-     * memory and available for retrieval via OBD2_FREEZE_FRAME.
-     *
-     * The values are to be interpreted as follows:
-     * each element of int64Values is the timestamp at which a a fault code
-     * has been detected and the corresponding freeze frame stored, and each
-     * such element can be used as the key to OBD2_FREEZE_FRAME to retrieve
-     * the corresponding freeze frame.
-     *
-     * @change_mode VehiclePropertyChangeMode:ON_CHANGE
-     * @access VehiclePropertyAccess:READ
-     */
-    OBD2_FREEZE_FRAME_INFO = (
-        0x0D02
-        | VehiclePropertyGroup:SYSTEM
-        | VehiclePropertyType:COMPLEX
-        | VehicleArea:GLOBAL),
-
-    /*
-     * OBD2 Freeze Frame Clear
-     *
-     * This property allows deletion of any of the freeze frames stored in
-     * vehicle memory, as described by OBD2_DTC_INFO.
-     *
-     * A set of this property is to be interpreted as follows:
-     * if int64Values contains no elements, then all DTCs stored will be cleared;
-     * if int64Values contains one or more elements, then DTCs at the timestamps
-     * stored in int64Values will be cleared, and the others not cleared, except
-     * the memory will be compacted so that all remaining DTCs are stored
-     * contiguously.
-     *
-     * @change_mode VehiclePropertyChangeMode:ON_CHANGE
-     * @access VehiclePropertyAccess:WRITE
-     */
-    OBD2_FREEZE_FRAME_CLEAR = (
-        0x0D03
-        | VehiclePropertyGroup:SYSTEM
-        | VehiclePropertyType:COMPLEX
-        | VehicleArea:GLOBAL),
 };
+
 /*
  * Bit flags for fan direction
  */
@@ -2829,86 +2699,6 @@
   INTERNAL_ERROR = 5,
 };
 
-/* The status of a fuel system as described by the OBD2 specification. */
-enum FuelSystemStatus : int32_t {
-  OPEN_INSUFFICIENT_ENGINE_TEMPERATURE = 1,
-
-  CLOSED_LOOP = 2,
-
-  OPEN_ENGINE_LOAD_OR_DECELERATION = 4,
-
-  OPEN_SYSTEM_FAILURE = 8,
-
-  CLOSED_LOOP_BUT_FEEDBACK_FAULT = 16,
-};
-
-/* Defines which ignition monitors are available to be read. */
-enum IgnitionMonitorKind : int32_t {
-  SPARK = 0,
-
-  COMPRESSION = 1,
-};
-
-/* These ignition monitors are common to both SPARK and COMPRESSION. */
-enum CommonIgnitionMonitors : int32_t {
-  COMPONENTS_AVAILABLE = 0x1 << 0,
-  COMPONENTS_INCOMPLETE = 0x1 << 1,
-
-  FUEL_SYSTEM_AVAILABLE = 0x1 << 2,
-  FUEL_SYSTEM_INCOMPLETE = 0x1 << 3,
-
-  MISFIRE_AVAILABLE = 0x1 << 4,
-  MISFIRE_INCOMPLETE = 0x1 << 5,
-};
-
-/* Ignition monitors available for SPARK vehicles. */
-enum SparkIgnitionMonitors : CommonIgnitionMonitors {
-  EGR_AVAILABLE = 0x1 << 6,
-  EGR_INCOMPLETE = 0x1 << 7,
-
-  OXYGEN_SENSOR_HEATER_AVAILABLE = 0x1 << 8,
-  OXYGEN_SENSOR_HEATER_INCOMPLETE = 0x1 << 9,
-
-  OXYGEN_SENSOR_AVAILABLE = 0x1 << 10,
-  OXYGEN_SENSOR_INCOMPLETE = 0x1 << 11,
-
-  AC_REFRIGERANT_AVAILABLE = 0x1 << 12,
-  AC_REFRIGERANT_INCOMPLETE = 0x1 << 13,
-
-  SECONDARY_AIR_SYSTEM_AVAILABLE = 0x1 << 14,
-  SECONDARY_AIR_SYSTEM_INCOMPLETE = 0x1 << 15,
-
-  EVAPORATIVE_SYSTEM_AVAILABLE = 0x1 << 16,
-  EVAPORATIVE_SYSTEM_INCOMPLETE = 0x1 << 17,
-
-  HEATED_CATALYST_AVAILABLE = 0x1 << 18,
-  HEATED_CATALYST_INCOMPLETE = 0x1 << 19,
-
-  CATALYST_AVAILABLE = 0x1 << 20,
-  CATALYST_INCOMPLETE = 0x1 << 21,
-};
-
-/* Ignition monitors only available for COMPRESSION vehicles. */
-enum CompressionIgnitionMonitors : CommonIgnitionMonitors {
-  EGR_OR_VVT_AVAILABLE = 0x1 << 6,
-  EGR_OR_VVT_INCOMPLETE = 0x1 << 7,
-
-  PM_FILTER_AVAILABLE = 0x1 << 8,
-  PM_FILTER_INCOMPLETE = 0x1 << 9,
-
-  EXHAUST_GAS_SENSOR_AVAILABLE = 0x1 << 10,
-  EXHAUST_GAS_SENSOR_INCOMPLETE = 0x1 << 11,
-
-  BOOST_PRESSURE_AVAILABLE = 0x1 << 12,
-  BOOST_PRESSURE_INCOMPLETE = 0x1 << 13,
-
-  NOx_SCR__AVAILABLE = 0x1 << 14,
-  NOx_SCR_INCOMPLETE = 0x1 << 15,
-
-  NMHC_CATALYST_AVAILABLE = 0x1 << 16,
-  NMHC_CATALYST_INCOMPLETE = 0x1 << 17,
-};
-
 enum Wheel : int32_t {
     UNKNOWN = 0x0,
 
@@ -2918,306 +2708,6 @@
     RIGHT_REAR = 0x8,
 };
 
-enum SecondaryAirStatus : int32_t {
-  UPSTREAM = 1,
-
-  DOWNSTREAM_OF_CATALYCIC_CONVERTER = 2,
-
-  FROM_OUTSIDE_OR_OFF = 4,
-
-  PUMP_ON_FOR_DIAGNOSTICS = 8,
-};
-
-enum FuelType : int32_t {
-  NOT_AVAILABLE = 0,
-
-  GASOLINE = 1,
-
-  METHANOL = 2,
-
-  ETHANOL = 3,
-
-  DIESEL = 4,
-
-  LPG = 5,
-
-  CNG = 6,
-
-  PROPANE = 7,
-
-  ELECTRIC = 8,
-
-  BIFUEL_RUNNING_GASOLINE = 9,
-
-  BIFUEL_RUNNING_METHANOL = 10,
-
-  BIFUEL_RUNNING_ETHANOL = 11,
-
-  BIFUEL_RUNNING_LPG = 12,
-
-  BIFUEL_RUNNING_CNG = 13,
-
-  BIFUEL_RUNNING_PROPANE = 14,
-
-  BIFUEL_RUNNING_ELECTRIC = 15,
-
-  BIFUEL_RUNNING_ELECTRIC_AND_COMBUSTION = 16,
-
-  HYBRID_GASOLINE = 17,
-
-  HYBRID_ETHANOL = 18,
-
-  HYBRID_DIESEL = 19,
-
-  HYBRID_ELECTRIC = 20,
-
-  HYBRID_RUNNING_ELECTRIC_AND_COMBUSTION = 21,
-
-  HYBRID_REGENERATIVE = 22,
-
-  BIFUEL_RUNNING_DIESEL = 23,
-};
-
-/*
- * This enum provides the canonical mapping for sensor properties that have an integer value.
- * The ordering of the values is taken from the OBD2 specification.
- * Some of the properties are represented as an integer mapping to another enum. In those cases
- * expect a comment by the property definition describing the enum to look at for the mapping.
- * Any value greater than the last reserved index is available to vendors to map their extensions.
- */
-enum Obd2IntegerSensorIndex : int32_t {
-  /* refer to FuelSystemStatus for a description of this value. */
-  FUEL_SYSTEM_STATUS = 0,
-
-  MALFUNCTION_INDICATOR_LIGHT_ON = 1,
-
-  /* refer to IgnitionMonitorKind for a description of this value. */
-  IGNITION_MONITORS_SUPPORTED = 2,
-
-  /*
-   * The value of this sensor is a bitmask that specifies whether ignition-specific
-   * tests are available and whether they are complete. The semantics of the individual
-   * bits in this value are given by, respectively, SparkIgnitionMonitors and
-   * CompressionIgnitionMonitors depending on the value of IGNITION_MONITORS_SUPPORTED.
-   */
-  IGNITION_SPECIFIC_MONITORS = 3,
-
-  INTAKE_AIR_TEMPERATURE = 4,
-
-  /* refer to SecondaryAirStatus for a description of this value. */
-  COMMANDED_SECONDARY_AIR_STATUS = 5,
-
-  NUM_OXYGEN_SENSORS_PRESENT = 6,
-
-  RUNTIME_SINCE_ENGINE_START = 7,
-
-  DISTANCE_TRAVELED_WITH_MALFUNCTION_INDICATOR_LIGHT_ON = 8,
-
-  WARMUPS_SINCE_CODES_CLEARED = 9,
-
-  DISTANCE_TRAVELED_SINCE_CODES_CLEARED = 10,
-
-  ABSOLUTE_BAROMETRIC_PRESSURE = 11,
-
-  CONTROL_MODULE_VOLTAGE = 12,
-
-  AMBIENT_AIR_TEMPERATURE = 13,
-
-  TIME_WITH_MALFUNCTION_LIGHT_ON = 14,
-
-  TIME_SINCE_TROUBLE_CODES_CLEARED = 15,
-
-  MAX_FUEL_AIR_EQUIVALENCE_RATIO = 16,
-
-  MAX_OXYGEN_SENSOR_VOLTAGE = 17,
-
-  MAX_OXYGEN_SENSOR_CURRENT = 18,
-
-  MAX_INTAKE_MANIFOLD_ABSOLUTE_PRESSURE = 19,
-
-  MAX_AIR_FLOW_RATE_FROM_MASS_AIR_FLOW_SENSOR = 20,
-
-  /* refer to FuelType for a description of this value. */
-  FUEL_TYPE = 21,
-
-  FUEL_RAIL_ABSOLUTE_PRESSURE = 22,
-
-  ENGINE_OIL_TEMPERATURE = 23,
-
-  DRIVER_DEMAND_PERCENT_TORQUE = 24,
-
-  ENGINE_ACTUAL_PERCENT_TORQUE = 25,
-
-  ENGINE_REFERENCE_PERCENT_TORQUE = 26,
-
-  ENGINE_PERCENT_TORQUE_DATA_IDLE = 27,
-
-  ENGINE_PERCENT_TORQUE_DATA_POINT1 = 28,
-
-  ENGINE_PERCENT_TORQUE_DATA_POINT2 = 29,
-
-  ENGINE_PERCENT_TORQUE_DATA_POINT3 = 30,
-
-  ENGINE_PERCENT_TORQUE_DATA_POINT4 = 31,
-
-  LAST_SYSTEM_INDEX = ENGINE_PERCENT_TORQUE_DATA_POINT4,
-
-  VENDOR_START_INDEX = LAST_SYSTEM_INDEX + 1,
-};
-
-/*
- * This enum provides the canonical mapping for sensor properties that have a floating-point value.
- * The ordering of the values is taken from the OBD2 specification.
- * Any value greater than the last reserved index is available to vendors to map their extensions.
- */
-enum Obd2FloatSensorIndex : int32_t {
-  CALCULATED_ENGINE_LOAD = 0,
-
-  ENGINE_COOLANT_TEMPERATURE = 1,
-
-  SHORT_TERM_FUEL_TRIM_BANK1 = 2,
-
-  LONG_TERM_FUEL_TRIM_BANK1 = 3,
-
-  SHORT_TERM_FUEL_TRIM_BANK2 = 4,
-
-  LONG_TERM_FUEL_TRIM_BANK2 = 5,
-
-  FUEL_PRESSURE = 6,
-
-  INTAKE_MANIFOLD_ABSOLUTE_PRESSURE = 7,
-
-  ENGINE_RPM = 8,
-
-  VEHICLE_SPEED = 9,
-
-  TIMING_ADVANCE = 10,
-
-  MAF_AIR_FLOW_RATE = 11,
-
-  THROTTLE_POSITION = 12,
-
-  OXYGEN_SENSOR1_VOLTAGE = 13,
-
-  OXYGEN_SENSOR1_SHORT_TERM_FUEL_TRIM = 14,
-
-  OXYGEN_SENSOR1_FUEL_AIR_EQUIVALENCE_RATIO = 15,
-
-  OXYGEN_SENSOR2_VOLTAGE = 16,
-
-  OXYGEN_SENSOR2_SHORT_TERM_FUEL_TRIM = 17,
-
-  OXYGEN_SENSOR2_FUEL_AIR_EQUIVALENCE_RATIO = 18,
-
-  OXYGEN_SENSOR3_VOLTAGE = 19,
-
-  OXYGEN_SENSOR3_SHORT_TERM_FUEL_TRIM = 20,
-
-  OXYGEN_SENSOR3_FUEL_AIR_EQUIVALENCE_RATIO = 21,
-
-  OXYGEN_SENSOR4_VOLTAGE = 22,
-
-  OXYGEN_SENSOR4_SHORT_TERM_FUEL_TRIM = 23,
-
-  OXYGEN_SENSOR4_FUEL_AIR_EQUIVALENCE_RATIO = 24,
-
-  OXYGEN_SENSOR5_VOLTAGE = 25,
-
-  OXYGEN_SENSOR5_SHORT_TERM_FUEL_TRIM = 26,
-
-  OXYGEN_SENSOR5_FUEL_AIR_EQUIVALENCE_RATIO = 27,
-
-  OXYGEN_SENSOR6_VOLTAGE = 28,
-
-  OXYGEN_SENSOR6_SHORT_TERM_FUEL_TRIM = 29,
-
-  OXYGEN_SENSOR6_FUEL_AIR_EQUIVALENCE_RATIO = 30,
-
-  OXYGEN_SENSOR7_VOLTAGE = 31,
-
-  OXYGEN_SENSOR7_SHORT_TERM_FUEL_TRIM = 32,
-
-  OXYGEN_SENSOR7_FUEL_AIR_EQUIVALENCE_RATIO = 33,
-
-  OXYGEN_SENSOR8_VOLTAGE = 34,
-
-  OXYGEN_SENSOR8_SHORT_TERM_FUEL_TRIM = 35,
-
-  OXYGEN_SENSOR8_FUEL_AIR_EQUIVALENCE_RATIO = 36,
-
-  FUEL_RAIL_PRESSURE = 37,
-
-  FUEL_RAIL_GAUGE_PRESSURE = 38,
-
-  COMMANDED_EXHAUST_GAS_RECIRCULATION = 39,
-
-  EXHAUST_GAS_RECIRCULATION_ERROR = 40,
-
-  COMMANDED_EVAPORATIVE_PURGE = 41,
-
-  FUEL_TANK_LEVEL_INPUT = 42,
-
-  EVAPORATION_SYSTEM_VAPOR_PRESSURE = 43,
-
-  CATALYST_TEMPERATURE_BANK1_SENSOR1 = 44,
-
-  CATALYST_TEMPERATURE_BANK2_SENSOR1 = 45,
-
-  CATALYST_TEMPERATURE_BANK1_SENSOR2 = 46,
-
-  CATALYST_TEMPERATURE_BANK2_SENSOR2 = 47,
-
-  ABSOLUTE_LOAD_VALUE = 48,
-
-  FUEL_AIR_COMMANDED_EQUIVALENCE_RATIO = 49,
-
-  RELATIVE_THROTTLE_POSITION = 50,
-
-  ABSOLUTE_THROTTLE_POSITION_B = 51,
-
-  ABSOLUTE_THROTTLE_POSITION_C = 52,
-
-  ACCELERATOR_PEDAL_POSITION_D = 53,
-
-  ACCELERATOR_PEDAL_POSITION_E = 54,
-
-  ACCELERATOR_PEDAL_POSITION_F = 55,
-
-  COMMANDED_THROTTLE_ACTUATOR = 56,
-
-  ETHANOL_FUEL_PERCENTAGE = 57,
-
-  ABSOLUTE_EVAPORATION_SYSTEM_VAPOR_PRESSURE = 58,
-
-  SHORT_TERM_SECONDARY_OXYGEN_SENSOR_TRIM_BANK1 = 59,
-
-  SHORT_TERM_SECONDARY_OXYGEN_SENSOR_TRIM_BANK2 = 60,
-
-  SHORT_TERM_SECONDARY_OXYGEN_SENSOR_TRIM_BANK3 = 61,
-
-  SHORT_TERM_SECONDARY_OXYGEN_SENSOR_TRIM_BANK4 = 62,
-
-  LONG_TERM_SECONDARY_OXYGEN_SENSOR_TRIM_BANK1 = 63,
-
-  LONG_TERM_SECONDARY_OXYGEN_SENSOR_TRIM_BANK2 = 64,
-
-  LONG_TERM_SECONDARY_OXYGEN_SENSOR_TRIM_BANK3 = 65,
-
-  LONG_TERM_SECONDARY_OXYGEN_SENSOR_TRIM_BANK4 = 66,
-
-  RELATIVE_ACCELERATOR_PEDAL_POSITION = 67,
-
-  HYBRID_BATTERY_PACK_REMAINING_LIFE = 68,
-
-  FUEL_INJECTION_TIMING = 69,
-
-  ENGINE_FUEL_RATE = 70,
-
-  LAST_SYSTEM_INDEX = ENGINE_FUEL_RATE,
-
-  VENDOR_START_INDEX = LAST_SYSTEM_INDEX + 1,
-};
-
 /*
  * This enum lists the types of supported VMS messages.
  */
diff --git a/automotive/vehicle/2.1/Android.mk b/automotive/vehicle/2.1/Android.mk
index 2a8d1dd..f5a121d 100644
--- a/automotive/vehicle/2.1/Android.mk
+++ b/automotive/vehicle/2.1/Android.mk
@@ -18,6 +18,177 @@
 
 
 #
+# Build types.hal (CommonIgnitionMonitors)
+#
+GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_1/CommonIgnitionMonitors.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.automotive.vehicle@2.1::types.CommonIgnitionMonitors
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (CompressionIgnitionMonitors)
+#
+GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_1/CompressionIgnitionMonitors.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.automotive.vehicle@2.1::types.CompressionIgnitionMonitors
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (FuelSystemStatus)
+#
+GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_1/FuelSystemStatus.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.automotive.vehicle@2.1::types.FuelSystemStatus
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (FuelType)
+#
+GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_1/FuelType.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.automotive.vehicle@2.1::types.FuelType
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (IgnitionMonitorKind)
+#
+GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_1/IgnitionMonitorKind.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.automotive.vehicle@2.1::types.IgnitionMonitorKind
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (Obd2FloatSensorIndex)
+#
+GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_1/Obd2FloatSensorIndex.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.automotive.vehicle@2.1::types.Obd2FloatSensorIndex
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (Obd2IntegerSensorIndex)
+#
+GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_1/Obd2IntegerSensorIndex.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.automotive.vehicle@2.1::types.Obd2IntegerSensorIndex
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (SecondaryAirStatus)
+#
+GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_1/SecondaryAirStatus.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.automotive.vehicle@2.1::types.SecondaryAirStatus
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (SparkIgnitionMonitors)
+#
+GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_1/SparkIgnitionMonitors.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.automotive.vehicle@2.1::types.SparkIgnitionMonitors
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
 # Build types.hal (VehicleProperty)
 #
 GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_1/VehicleProperty.java
@@ -73,6 +244,177 @@
 
 
 #
+# Build types.hal (CommonIgnitionMonitors)
+#
+GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_1/CommonIgnitionMonitors.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.automotive.vehicle@2.1::types.CommonIgnitionMonitors
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (CompressionIgnitionMonitors)
+#
+GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_1/CompressionIgnitionMonitors.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.automotive.vehicle@2.1::types.CompressionIgnitionMonitors
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (FuelSystemStatus)
+#
+GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_1/FuelSystemStatus.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.automotive.vehicle@2.1::types.FuelSystemStatus
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (FuelType)
+#
+GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_1/FuelType.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.automotive.vehicle@2.1::types.FuelType
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (IgnitionMonitorKind)
+#
+GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_1/IgnitionMonitorKind.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.automotive.vehicle@2.1::types.IgnitionMonitorKind
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (Obd2FloatSensorIndex)
+#
+GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_1/Obd2FloatSensorIndex.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.automotive.vehicle@2.1::types.Obd2FloatSensorIndex
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (Obd2IntegerSensorIndex)
+#
+GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_1/Obd2IntegerSensorIndex.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.automotive.vehicle@2.1::types.Obd2IntegerSensorIndex
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (SecondaryAirStatus)
+#
+GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_1/SecondaryAirStatus.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.automotive.vehicle@2.1::types.SecondaryAirStatus
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (SparkIgnitionMonitors)
+#
+GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_1/SparkIgnitionMonitors.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.automotive.vehicle@2.1::types.SparkIgnitionMonitors
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
 # Build types.hal (VehicleProperty)
 #
 GEN := $(intermediates)/android/hardware/automotive/vehicle/V2_1/VehicleProperty.java
diff --git a/automotive/vehicle/2.1/default/Android.mk b/automotive/vehicle/2.1/default/Android.mk
index 1874cb3..4ace48c 100644
--- a/automotive/vehicle/2.1/default/Android.mk
+++ b/automotive/vehicle/2.1/default/Android.mk
@@ -18,17 +18,47 @@
 vhal_v2_1 = android.hardware.automotive.vehicle@2.1
 
 ###############################################################################
+# Vehicle reference implementation lib
+###############################################################################
+include $(CLEAR_VARS)
+LOCAL_MODULE := $(vhal_v2_1)-manager-lib
+LOCAL_SRC_FILES := \
+    common/src/Obd2SensorStore.cpp
+
+LOCAL_C_INCLUDES := \
+    $(LOCAL_PATH)/common/include/vhal_v2_1 \
+    $(LOCAL_PATH)/../../2.0/default/common/include/vhal_v2_0 \
+
+LOCAL_EXPORT_C_INCLUDE_DIRS := \
+    $(LOCAL_PATH)/common/include
+
+LOCAL_SHARED_LIBRARIES := \
+    libbinder \
+    libhidlbase \
+    libhidltransport \
+    libhwbinder \
+    liblog \
+    libutils \
+    $(vhal_v2_1) \
+
+include $(BUILD_STATIC_LIBRARY)
+
+###############################################################################
 # Vehicle default VehicleHAL implementation
 ###############################################################################
 include $(CLEAR_VARS)
 
 LOCAL_MODULE:= $(vhal_v2_1)-default-impl-lib
+LOCAL_SRC_FILES:= \
+    impl/vhal_v2_1/DefaultVehicleHal.cpp \
 
 LOCAL_C_INCLUDES := \
-    $(LOCAL_PATH)/impl/vhal_v2_1
+    $(LOCAL_PATH)/impl/vhal_v2_1 \
+    $(LOCAL_PATH)/common/include
 
 LOCAL_EXPORT_C_INCLUDE_DIRS := \
-    $(LOCAL_PATH)/impl
+    $(LOCAL_PATH)/impl \
+    $(LOCAL_PATH)/common/include
 
 
 # LOCAL_WHOLE_STATIC_LIBRARIES := \
@@ -36,6 +66,7 @@
 LOCAL_STATIC_LIBRARIES := \
     $(vhal_v2_0)-default-impl-lib \
     $(vhal_v2_0)-manager-lib \
+    $(vhal_v2_1)-manager-lib \
     $(vhal_v2_0)-libproto-native
 
 LOCAL_SHARED_LIBRARIES := \
@@ -69,6 +100,7 @@
     $(vhal_v2_0)-manager-lib \
     $(vhal_v2_0)-default-impl-lib \
     $(vhal_v2_1)-default-impl-lib \
+    $(vhal_v2_1)-manager-lib \
 
 LOCAL_SHARED_LIBRARIES := \
     libbinder \
diff --git a/automotive/vehicle/2.0/default/common/include/vhal_v2_0/Obd2SensorStore.h b/automotive/vehicle/2.1/default/common/include/vhal_v2_1/Obd2SensorStore.h
similarity index 80%
rename from automotive/vehicle/2.0/default/common/include/vhal_v2_0/Obd2SensorStore.h
rename to automotive/vehicle/2.1/default/common/include/vhal_v2_1/Obd2SensorStore.h
index fe231be..945e3e0 100644
--- a/automotive/vehicle/2.0/default/common/include/vhal_v2_0/Obd2SensorStore.h
+++ b/automotive/vehicle/2.1/default/common/include/vhal_v2_1/Obd2SensorStore.h
@@ -14,18 +14,18 @@
  * limitations under the License.
  */
 
-#ifndef android_hardware_automotive_vehicle_V2_0_Obd2SensorStore_H_
-#define android_hardware_automotive_vehicle_V2_0_Obd2SensorStore_H_
+#ifndef android_hardware_automotive_vehicle_V2_1_Obd2SensorStore_H_
+#define android_hardware_automotive_vehicle_V2_1_Obd2SensorStore_H_
 
 #include <vector>
 
-#include "VehicleHal.h"
+#include <android/hardware/automotive/vehicle/2.1/types.h>
 
 namespace android {
 namespace hardware {
 namespace automotive {
 namespace vehicle {
-namespace V2_0 {
+namespace V2_1 {
 
 // This class wraps all the logic required to create an OBD2 frame.
 // It allows storing sensor values, setting appropriate bitmasks as needed,
@@ -38,14 +38,14 @@
                     size_t numVendorFloatSensors);
 
     // Stores an integer-valued sensor.
-    StatusCode setIntegerSensor(Obd2IntegerSensorIndex index, int32_t value);
+    V2_0::StatusCode setIntegerSensor(Obd2IntegerSensorIndex index, int32_t value);
     // Stores an integer-valued sensor.
-    StatusCode setIntegerSensor(size_t index, int32_t value);
+    V2_0::StatusCode setIntegerSensor(size_t index, int32_t value);
 
     // Stores a float-valued sensor.
-    StatusCode setFloatSensor(Obd2FloatSensorIndex index, float value);
+    V2_0::StatusCode setFloatSensor(Obd2FloatSensorIndex index, float value);
     // Stores a float-valued sensor.
-    StatusCode setFloatSensor(size_t index, float value);
+    V2_0::StatusCode setFloatSensor(size_t index, float value);
 
     // Returns a vector that contains all integer sensors stored.
     const std::vector<int32_t>& getIntegerSensors() const;
@@ -55,7 +55,7 @@
     const std::vector<uint8_t>& getSensorsBitmask() const;
 
     // Given a stringValue, fill in a VehiclePropValue
-    void fillPropValue(VehiclePropValue *propValue,
+    void fillPropValue(V2_0::VehiclePropValue *propValue,
             std::string dtc) const;
 
 private:
@@ -77,7 +77,7 @@
     BitmaskInVector mSensorsBitmask;
 };
 
-}  // namespace V2_0
+}  // namespace V2_1
 }  // namespace vehicle
 }  // namespace automotive
 }  // namespace hardware
diff --git a/automotive/vehicle/2.0/default/common/src/Obd2SensorStore.cpp b/automotive/vehicle/2.1/default/common/src/Obd2SensorStore.cpp
similarity index 79%
rename from automotive/vehicle/2.0/default/common/src/Obd2SensorStore.cpp
rename to automotive/vehicle/2.1/default/common/src/Obd2SensorStore.cpp
index 4ee0a71..b07717b 100644
--- a/automotive/vehicle/2.0/default/common/src/Obd2SensorStore.cpp
+++ b/automotive/vehicle/2.1/default/common/src/Obd2SensorStore.cpp
@@ -23,7 +23,7 @@
 namespace hardware {
 namespace automotive {
 namespace vehicle {
-namespace V2_0 {
+namespace V2_1 {
 
 Obd2SensorStore::BitmaskInVector::BitmaskInVector(size_t numBits)
 {
@@ -57,8 +57,8 @@
 Obd2SensorStore::Obd2SensorStore(size_t numVendorIntegerSensors,
                                  size_t numVendorFloatSensors) {
         // because the last index is valid *inclusive*
-        const size_t numSystemIntegerSensors = toInt(Obd2IntegerSensorIndex::LAST_SYSTEM_INDEX)+1;
-        const size_t numSystemFloatSensors = toInt(Obd2FloatSensorIndex::LAST_SYSTEM_INDEX)+1;
+        const size_t numSystemIntegerSensors = V2_0::toInt(Obd2IntegerSensorIndex::LAST_SYSTEM_INDEX)+1;
+        const size_t numSystemFloatSensors = V2_0::toInt(Obd2FloatSensorIndex::LAST_SYSTEM_INDEX)+1;
         mIntegerSensors = std::vector<int32_t>(
             numSystemIntegerSensors+numVendorIntegerSensors, 0);
         mFloatSensors = std::vector<float>(
@@ -66,25 +66,25 @@
         mSensorsBitmask.resize(mIntegerSensors.size()+mFloatSensors.size());
 }
 
-StatusCode Obd2SensorStore::setIntegerSensor(Obd2IntegerSensorIndex index,
+V2_0::StatusCode Obd2SensorStore::setIntegerSensor(Obd2IntegerSensorIndex index,
     int32_t value) {
-    return setIntegerSensor(toInt(index), value);
+    return setIntegerSensor(V2_0::toInt(index), value);
 }
-StatusCode Obd2SensorStore::setFloatSensor(Obd2FloatSensorIndex index,
+V2_0::StatusCode Obd2SensorStore::setFloatSensor(Obd2FloatSensorIndex index,
     float value) {
-    return setFloatSensor(toInt(index), value);
+    return setFloatSensor(V2_0::toInt(index), value);
 }
 
-StatusCode Obd2SensorStore::setIntegerSensor(size_t index, int32_t value) {
+V2_0::StatusCode Obd2SensorStore::setIntegerSensor(size_t index, int32_t value) {
     mIntegerSensors[index] = value;
     mSensorsBitmask.set(index, true);
-    return StatusCode::OK;
+    return V2_0::StatusCode::OK;
 }
 
-StatusCode Obd2SensorStore::setFloatSensor(size_t index, float value) {
+V2_0::StatusCode Obd2SensorStore::setFloatSensor(size_t index, float value) {
     mFloatSensors[index] = value;
     mSensorsBitmask.set(index + mIntegerSensors.size(), true);
-    return StatusCode::OK;
+    return V2_0::StatusCode::OK;
 }
 
 const std::vector<int32_t>& Obd2SensorStore::getIntegerSensors() const {
@@ -99,7 +99,7 @@
     return mSensorsBitmask.getBitmask();
 }
 
-void Obd2SensorStore::fillPropValue(VehiclePropValue *propValue,
+void Obd2SensorStore::fillPropValue(V2_0::VehiclePropValue *propValue,
                                     std::string dtc) const {
     propValue->timestamp = elapsedRealtimeNano();
     propValue->value.int32Values = getIntegerSensors();
diff --git a/automotive/vehicle/2.1/default/impl/vhal_v2_1/DefaultConfig.h b/automotive/vehicle/2.1/default/impl/vhal_v2_1/DefaultConfig.h
index ab08cec..769ae6d 100644
--- a/automotive/vehicle/2.1/default/impl/vhal_v2_1/DefaultConfig.h
+++ b/automotive/vehicle/2.1/default/impl/vhal_v2_1/DefaultConfig.h
@@ -33,6 +33,32 @@
         .prop = V2_0::toInt(V2_1::VehicleProperty::WHEEL_TICK),
         .access = V2_0::VehiclePropertyAccess::READ,
         .changeMode = V2_0::VehiclePropertyChangeMode::CONTINUOUS,
+    },
+
+    {
+        .prop = V2_0::toInt(V2_1::VehicleProperty::OBD2_LIVE_FRAME),
+        .access = V2_0::VehiclePropertyAccess::READ,
+        .changeMode = V2_0::VehiclePropertyChangeMode::ON_CHANGE,
+        .configArray = {0,0}
+    },
+
+    {
+        .prop = V2_0::toInt(V2_1::VehicleProperty::OBD2_FREEZE_FRAME),
+        .access = V2_0::VehiclePropertyAccess::READ,
+        .changeMode = V2_0::VehiclePropertyChangeMode::ON_CHANGE,
+        .configArray = {0,0}
+    },
+
+    {
+        .prop = V2_0::toInt(V2_1::VehicleProperty::OBD2_FREEZE_FRAME_INFO),
+        .access = V2_0::VehiclePropertyAccess::READ,
+        .changeMode = V2_0::VehiclePropertyChangeMode::ON_CHANGE
+    },
+
+    {
+        .prop = V2_0::toInt(V2_1::VehicleProperty::OBD2_FREEZE_FRAME_CLEAR),
+        .access = V2_0::VehiclePropertyAccess::WRITE,
+        .changeMode = V2_0::VehiclePropertyChangeMode::ON_CHANGE
     }
 };
 
diff --git a/automotive/vehicle/2.1/default/impl/vhal_v2_1/DefaultVehicleHal.cpp b/automotive/vehicle/2.1/default/impl/vhal_v2_1/DefaultVehicleHal.cpp
new file mode 100644
index 0000000..dc96bf9
--- /dev/null
+++ b/automotive/vehicle/2.1/default/impl/vhal_v2_1/DefaultVehicleHal.cpp
@@ -0,0 +1,284 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "DefaultVehicleHal_v2_1"
+#include <android/log.h>
+
+#include <algorithm>
+#include <netinet/in.h>
+#include <sys/socket.h>
+
+#include "DefaultVehicleHal.h"
+#include "VehicleHalProto.pb.h"
+
+#define DEBUG_SOCKET    (33452)
+
+namespace android {
+namespace hardware {
+namespace automotive {
+namespace vehicle {
+namespace V2_1 {
+
+namespace impl {
+
+static std::unique_ptr<Obd2SensorStore> fillDefaultObd2Frame(
+        size_t numVendorIntegerSensors,
+        size_t numVendorFloatSensors) {
+    std::unique_ptr<Obd2SensorStore> sensorStore(new Obd2SensorStore(
+            numVendorIntegerSensors, numVendorFloatSensors));
+
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::FUEL_SYSTEM_STATUS,
+        V2_0::toInt(FuelSystemStatus::CLOSED_LOOP));
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::MALFUNCTION_INDICATOR_LIGHT_ON, 0);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::IGNITION_MONITORS_SUPPORTED,
+        V2_0::toInt(IgnitionMonitorKind::SPARK));
+    sensorStore->setIntegerSensor(Obd2IntegerSensorIndex::IGNITION_SPECIFIC_MONITORS,
+        CommonIgnitionMonitors::COMPONENTS_AVAILABLE |
+        CommonIgnitionMonitors::MISFIRE_AVAILABLE |
+        SparkIgnitionMonitors::AC_REFRIGERANT_AVAILABLE |
+        SparkIgnitionMonitors::EVAPORATIVE_SYSTEM_AVAILABLE);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::INTAKE_AIR_TEMPERATURE, 35);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::COMMANDED_SECONDARY_AIR_STATUS,
+        V2_0::toInt(SecondaryAirStatus::FROM_OUTSIDE_OR_OFF));
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::NUM_OXYGEN_SENSORS_PRESENT, 1);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::RUNTIME_SINCE_ENGINE_START, 500);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::DISTANCE_TRAVELED_WITH_MALFUNCTION_INDICATOR_LIGHT_ON, 0);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::WARMUPS_SINCE_CODES_CLEARED, 51);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::DISTANCE_TRAVELED_SINCE_CODES_CLEARED, 365);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::ABSOLUTE_BAROMETRIC_PRESSURE, 30);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::CONTROL_MODULE_VOLTAGE, 12);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::AMBIENT_AIR_TEMPERATURE, 18);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::MAX_FUEL_AIR_EQUIVALENCE_RATIO, 1);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::FUEL_TYPE, V2_0::toInt(FuelType::GASOLINE));
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::CALCULATED_ENGINE_LOAD, 0.153);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::SHORT_TERM_FUEL_TRIM_BANK1, -0.16);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::LONG_TERM_FUEL_TRIM_BANK1, -0.16);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::SHORT_TERM_FUEL_TRIM_BANK2, -0.16);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::LONG_TERM_FUEL_TRIM_BANK2, -0.16);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::INTAKE_MANIFOLD_ABSOLUTE_PRESSURE, 7.5);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::ENGINE_RPM, 1250.);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::VEHICLE_SPEED, 40.);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::TIMING_ADVANCE, 2.5);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::THROTTLE_POSITION, 19.75);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::OXYGEN_SENSOR1_VOLTAGE, 0.265);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::FUEL_TANK_LEVEL_INPUT, 0.824);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::EVAPORATION_SYSTEM_VAPOR_PRESSURE, -0.373);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::CATALYST_TEMPERATURE_BANK1_SENSOR1, 190.);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::RELATIVE_THROTTLE_POSITION, 3.);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::ABSOLUTE_THROTTLE_POSITION_B, 0.306);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::ACCELERATOR_PEDAL_POSITION_D, 0.188);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::ACCELERATOR_PEDAL_POSITION_E, 0.094);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::COMMANDED_THROTTLE_ACTUATOR, 0.024);
+
+    return sensorStore;
+}
+
+void DefaultVehicleHal::initObd2LiveFrame(V2_0::VehiclePropConfig& propConfig) {
+    auto sensorStore = fillDefaultObd2Frame(propConfig.configArray[0],
+            propConfig.configArray[1]);
+    mLiveObd2Frame = createVehiclePropValue(
+            V2_0::VehiclePropertyType::COMPLEX, 0);
+    sensorStore->fillPropValue(mLiveObd2Frame.get(), "");
+}
+
+void DefaultVehicleHal::initObd2FreezeFrame(V2_0::VehiclePropConfig& propConfig) {
+    auto sensorStore = fillDefaultObd2Frame(propConfig.configArray[0],
+            propConfig.configArray[1]);
+
+    mFreezeObd2Frames.push_back(
+            createVehiclePropValue(V2_0::VehiclePropertyType::COMPLEX,0));
+    mFreezeObd2Frames.push_back(
+            createVehiclePropValue(V2_0::VehiclePropertyType::COMPLEX,0));
+    mFreezeObd2Frames.push_back(
+            createVehiclePropValue(V2_0::VehiclePropertyType::COMPLEX,0));
+
+    sensorStore->fillPropValue(mFreezeObd2Frames[0].get(), "P0070");
+    sensorStore->fillPropValue(mFreezeObd2Frames[1].get(), "P0102");
+    sensorStore->fillPropValue(mFreezeObd2Frames[2].get(), "P0123");
+}
+
+V2_0::StatusCode DefaultVehicleHal::fillObd2LiveFrame(V2_0::VehiclePropValue* v) {
+    v->prop = V2_0::toInt(VehicleProperty::OBD2_LIVE_FRAME);
+    v->value.int32Values = mLiveObd2Frame->value.int32Values;
+    v->value.floatValues = mLiveObd2Frame->value.floatValues;
+    v->value.bytes = mLiveObd2Frame->value.bytes;
+    return V2_0::StatusCode::OK;
+}
+
+template<typename Iterable>
+typename Iterable::const_iterator findPropValueAtTimestamp(
+        const Iterable& frames,
+        int64_t timestamp) {
+    return std::find_if(frames.begin(),
+            frames.end(),
+            [timestamp] (const std::unique_ptr<V2_0::VehiclePropValue>&
+                         propValue) -> bool {
+                             return propValue->timestamp == timestamp;
+            });
+}
+
+V2_0::StatusCode DefaultVehicleHal::fillObd2FreezeFrame(
+        const V2_0::VehiclePropValue& requestedPropValue,
+        V2_0::VehiclePropValue* v) {
+    if (requestedPropValue.value.int64Values.size() != 1) {
+        ALOGE("asked for OBD2_FREEZE_FRAME without valid timestamp");
+        return V2_0::StatusCode::INVALID_ARG;
+    }
+    auto timestamp = requestedPropValue.value.int64Values[0];
+    auto freezeFrameIter = findPropValueAtTimestamp(mFreezeObd2Frames,
+            timestamp);
+    if(mFreezeObd2Frames.end() == freezeFrameIter) {
+        ALOGE("asked for OBD2_FREEZE_FRAME at invalid timestamp");
+        return V2_0::StatusCode::INVALID_ARG;
+    }
+    const auto& freezeFrame = *freezeFrameIter;
+    v->prop = V2_0::toInt(VehicleProperty::OBD2_FREEZE_FRAME);
+    v->value.int32Values = freezeFrame->value.int32Values;
+    v->value.floatValues = freezeFrame->value.floatValues;
+    v->value.bytes = freezeFrame->value.bytes;
+    v->value.stringValue = freezeFrame->value.stringValue;
+    v->timestamp = freezeFrame->timestamp;
+    return V2_0::StatusCode::OK;
+}
+
+V2_0::StatusCode DefaultVehicleHal::clearObd2FreezeFrames(
+    const V2_0::VehiclePropValue& propValue) {
+    if (propValue.value.int64Values.size() == 0) {
+        mFreezeObd2Frames.clear();
+        return V2_0::StatusCode::OK;
+    } else {
+        for(int64_t timestamp: propValue.value.int64Values) {
+            auto freezeFrameIter = findPropValueAtTimestamp(mFreezeObd2Frames,
+                    timestamp);
+            if(mFreezeObd2Frames.end() == freezeFrameIter) {
+                ALOGE("asked for OBD2_FREEZE_FRAME at invalid timestamp");
+                return V2_0::StatusCode::INVALID_ARG;
+            }
+            mFreezeObd2Frames.erase(freezeFrameIter);
+        }
+    }
+    return V2_0::StatusCode::OK;
+}
+
+V2_0::StatusCode DefaultVehicleHal::fillObd2DtcInfo(V2_0::VehiclePropValue* v) {
+    std::vector<int64_t> timestamps;
+    for(const auto& freezeFrame: mFreezeObd2Frames) {
+        timestamps.push_back(freezeFrame->timestamp);
+    }
+    v->value.int64Values = timestamps;
+    return V2_0::StatusCode::OK;
+}
+
+void DefaultVehicleHal::onCreate() {
+    mVehicleHal20->init(getValuePool(),
+                        std::bind(&DefaultVehicleHal::doHalEvent, this, _1),
+                        std::bind(&DefaultVehicleHal::doHalPropertySetError, this, _1, _2, _3));
+
+    std::vector<V2_0::VehiclePropConfig> configs = listProperties();
+    for (auto& cfg : configs) {
+        switch(cfg.prop) {
+            case V2_0::toInt(V2_1::VehicleProperty::OBD2_LIVE_FRAME):
+                initObd2LiveFrame(cfg);
+                break;
+            case V2_0::toInt(V2_1::VehicleProperty::OBD2_FREEZE_FRAME):
+                initObd2FreezeFrame(cfg);
+                break;
+            default:
+                break;
+        }
+    }
+}
+
+DefaultVehicleHal::VehiclePropValuePtr DefaultVehicleHal::get(
+        const V2_0::VehiclePropValue& requestedPropValue,
+        V2_0::StatusCode* outStatus) {
+
+    auto propId = requestedPropValue.prop;
+    VehiclePropValuePtr v = nullptr;
+    auto& pool = *getValuePool();
+
+    switch (propId) {
+    case V2_0::toInt(V2_1::VehicleProperty::OBD2_LIVE_FRAME):
+        v = pool.obtainComplex();
+        *outStatus = fillObd2LiveFrame(v.get());
+        return v;
+    case V2_0::toInt(V2_1::VehicleProperty::OBD2_FREEZE_FRAME):
+        v = pool.obtainComplex();
+        *outStatus = fillObd2FreezeFrame(requestedPropValue, v.get());
+        return v;
+    case V2_0::toInt(V2_1::VehicleProperty::OBD2_FREEZE_FRAME_INFO):
+        v = pool.obtainComplex();
+        *outStatus = fillObd2DtcInfo(v.get());
+        return v;
+    default:
+        return mVehicleHal20->get(requestedPropValue, outStatus);
+    }
+}
+
+V2_0::StatusCode DefaultVehicleHal::set(
+        const V2_0::VehiclePropValue& propValue) {
+
+    auto propId = propValue.prop;
+    switch (propId) {
+    case V2_0::toInt(V2_1::VehicleProperty::OBD2_FREEZE_FRAME_CLEAR):
+        return clearObd2FreezeFrames(propValue);
+        break;
+    default:
+        return mVehicleHal20->set(propValue);
+    }
+}
+
+}  // impl
+
+}  // namespace V2_1
+}  // namespace vehicle
+}  // namespace automotive
+}  // namespace hardware
+}  // namespace android
diff --git a/automotive/vehicle/2.1/default/impl/vhal_v2_1/DefaultVehicleHal.h b/automotive/vehicle/2.1/default/impl/vhal_v2_1/DefaultVehicleHal.h
index 7ccb354..ac65fc6 100644
--- a/automotive/vehicle/2.1/default/impl/vhal_v2_1/DefaultVehicleHal.h
+++ b/automotive/vehicle/2.1/default/impl/vhal_v2_1/DefaultVehicleHal.h
@@ -23,6 +23,7 @@
 
 #include <vhal_v2_0/VehicleHal.h>
 #include <vhal_v2_0/DefaultVehicleHal.h>
+#include <vhal_v2_1/Obd2SensorStore.h>
 
 #include "DefaultConfig.h"
 
@@ -52,14 +53,9 @@
     }
 
     VehiclePropValuePtr get(const V2_0::VehiclePropValue& requestedPropValue,
-                            V2_0::StatusCode* outStatus) override {
-        // TODO(pavelm): put logic related to VHAL 2.1 here (OBD, VMS, etc)
-        return mVehicleHal20->get(requestedPropValue, outStatus);
-    }
+                            V2_0::StatusCode* outStatus) override;
 
-    V2_0::StatusCode set(const V2_0::VehiclePropValue& propValue) override {
-        return mVehicleHal20->set(propValue);
-    }
+    V2_0::StatusCode set(const V2_0::VehiclePropValue& propValue) override;
 
     V2_0::StatusCode subscribe(int32_t property,
                                int32_t areas,
@@ -71,14 +67,21 @@
         return mVehicleHal20->unsubscribe(property);
     }
 
-    void onCreate() override {
-        mVehicleHal20->init(getValuePool(),
-                            std::bind(&DefaultVehicleHal::doHalEvent, this, _1),
-                            std::bind(&DefaultVehicleHal::doHalPropertySetError, this, _1, _2, _3));
-    }
+    void onCreate() override;
+
+private:
+    void initObd2LiveFrame(V2_0::VehiclePropConfig& propConfig);
+    void initObd2FreezeFrame(V2_0::VehiclePropConfig& propConfig);
+    V2_0::StatusCode fillObd2LiveFrame(V2_0::VehiclePropValue* v);
+    V2_0::StatusCode fillObd2FreezeFrame(const V2_0::VehiclePropValue& requestedPropValue,
+            V2_0::VehiclePropValue* v);
+    V2_0::StatusCode fillObd2DtcInfo(V2_0::VehiclePropValue *v);
+    V2_0::StatusCode clearObd2FreezeFrames(const V2_0::VehiclePropValue& propValue);
 
 private:
     V2_0::VehicleHal* mVehicleHal20;
+    std::unique_ptr<V2_0::VehiclePropValue> mLiveObd2Frame {nullptr};
+    std::vector<std::unique_ptr<V2_0::VehiclePropValue>> mFreezeObd2Frames;
 };
 
 }  // impl
diff --git a/automotive/vehicle/2.0/default/tests/Obd2SensorStore_test.cpp b/automotive/vehicle/2.1/default/tests/Obd2SensorStore_test.cpp
similarity index 100%
rename from automotive/vehicle/2.0/default/tests/Obd2SensorStore_test.cpp
rename to automotive/vehicle/2.1/default/tests/Obd2SensorStore_test.cpp
diff --git a/automotive/vehicle/2.1/types.hal b/automotive/vehicle/2.1/types.hal
index 5df1fbc..f0dd95f 100644
--- a/automotive/vehicle/2.1/types.hal
+++ b/automotive/vehicle/2.1/types.hal
@@ -43,4 +43,511 @@
       | VehiclePropertyGroup:SYSTEM
       | VehiclePropertyType:FLOAT_VEC
       | VehicleArea:GLOBAL),
+
+    /*
+     * OBD2 Live Sensor Data
+     *
+     * This property uses COMPLEX data to send a snapshot of the current (live)
+     * values of the OBD2 sensors provided by the vehicle.
+     *
+     * VehiclePropConfig
+     *   configArray[0] : number of vendor-specific integer-valued sensors
+     *                    that can be returned in a frame.
+     *   configArray[1] : number of vendor-specific float-valued sensors
+     *                    that can be returned in a frame.
+     *
+     * The values are to be interpreted as follows:
+     * the indices defined in Obd2IntegerSensorIndex are to be used to
+     * read from int32Values;
+     * the indices defined in Obd2FloatSensorIndex are to be used to
+     * read from floatValues.
+     * the elements of bytes are to be interpreted as a bitmask, such that
+     * the bits 0 thru the integer value of
+     * Obd2IntegerSensorIndex.LAST_SYSTEM_INDEX + the value of configArray[0]
+     * are 1 if the corresponding index is a valid sensor index whose value can
+     * be read in the returned int32Values vector, 0 otherwise.
+     * the bits Obd2IntegerSensorIndex.LAST_SYSTEM_INDEX+1 thru
+     * Obd2FloatingSensorIndex.LAST_SYSTEM_INDEX + the value of configArray[1]
+     * are 1 if the corresponding index is a valid sensor index whose value
+     * can be read in the returned floatValues vector, 0 otherwise.
+     *
+     * For example, int32Values[0] corresponds to FUEL_SYSTEM_STATUS, and
+     * floatValues[0] corresponds to CALCULATED_ENGINE_LOAD, but that mapping
+     * is only valid if the corresponding bits in the bytes vector are set to 1.
+     *
+     * @change_mode VehiclePropertyChangeMode:ON_CHANGE
+     * @access VehiclePropertyAccess:READ
+     */
+    OBD2_LIVE_FRAME = (
+      0x0D00
+      | VehiclePropertyGroup:SYSTEM
+      | VehiclePropertyType:COMPLEX
+      | VehicleArea:GLOBAL),
+
+    /*
+     * OBD2 Freeze Frame Sensor Data
+     *
+     * This property uses COMPLEX data to send a snapshot of the values of the
+     * OBD2 sensors provided by the vehicle at the time that a diagnostic
+     * troubleshooting code (DTC) was recorded by the vehicle.
+     *
+     * VehiclePropConfig
+     *   configArray[0] : number of vendor-specific integer-valued sensors
+     *                    that can be returned in a frame.
+     *   configArray[1] : number of vendor-specific float-valued sensors
+     *                    that can be returned in a frame.
+     *
+     * A get of this property must take the following form:
+     *   int64Values[0]: timestamp of the freeze frame to retrieve.
+     *                   Valid timestamps are given by OBD2_DTC_INFO.
+     *
+     * The values are to be interpreted as follows:
+     * the indices defined in Obd2IntegerSensorIndex are to be used to
+     * read from int32Values;
+     * the indices defined in Obd2FloatSensorIndex are to be used to
+     * read from floatValues;
+     * the elements of bytes are to be interpreted as a bitmask, such that
+     * the bits 0 thru the integer value of
+     * Obd2IntegerSensorIndex.LAST_SYSTEM_INDEX + the value of configArray[0]
+     * are 1 if the corresponding index is a valid sensor index whose value can
+     * be read in the returned int32Values vector, 0 otherwise.
+     * the bits Obd2IntegerSensorIndex.LAST_SYSTEM_INDEX+1 thru
+     * Obd2FloatingSensorIndex.LAST_SYSTEM_INDEX + the value of configArray[1]
+     * are 1 if the corresponding index is a valid sensor index whose value
+     * can be read in the returned floatValues vector, 0 otherwise.
+     * stringValue is the DTC that caused this freeze frame to be recorded.
+     *
+     * For example, int32Values[0] corresponds to FUEL_SYSTEM_STATUS, and
+     * floatValues[0] corresponds to CALCULATED_ENGINE_LOAD, but that mapping
+     * is only valid if the corresponding bits in the bytes vector are set to 1,
+     * and a possible valid stringValue is "P0176" to indicate a malfunction
+     * of the fuel composition sensor circuit.
+     *
+     * @change_mode VehiclePropertyChangeMode:ON_CHANGE
+     * @access VehiclePropertyAccess:READ
+     */
+    OBD2_FREEZE_FRAME = (
+      0x0D01
+      | VehiclePropertyGroup:SYSTEM
+      | VehiclePropertyType:COMPLEX
+      | VehicleArea:GLOBAL),
+
+    /*
+     * OBD2 Freeze Frame Information
+     *
+     * This property describes the current freeze frames stored in vehicle
+     * memory and available for retrieval via OBD2_FREEZE_FRAME.
+     *
+     * The values are to be interpreted as follows:
+     * each element of int64Values is the timestamp at which a a fault code
+     * has been detected and the corresponding freeze frame stored, and each
+     * such element can be used as the key to OBD2_FREEZE_FRAME to retrieve
+     * the corresponding freeze frame.
+     *
+     * @change_mode VehiclePropertyChangeMode:ON_CHANGE
+     * @access VehiclePropertyAccess:READ
+     */
+    OBD2_FREEZE_FRAME_INFO = (
+      0x0D02
+      | VehiclePropertyGroup:SYSTEM
+      | VehiclePropertyType:COMPLEX
+      | VehicleArea:GLOBAL),
+
+    /*
+     * OBD2 Freeze Frame Clear
+     *
+     * This property allows deletion of any of the freeze frames stored in
+     * vehicle memory, as described by OBD2_DTC_INFO.
+     *
+     * A set of this property is to be interpreted as follows:
+     * if int64Values contains no elements, then all DTCs stored will be cleared;
+     * if int64Values contains one or more elements, then DTCs at the timestamps
+     * stored in int64Values will be cleared, and the others not cleared, except
+     * the memory will be compacted so that all remaining DTCs are stored
+     * contiguously.
+     *
+     * @change_mode VehiclePropertyChangeMode:ON_CHANGE
+     * @access VehiclePropertyAccess:WRITE
+     */
+    OBD2_FREEZE_FRAME_CLEAR = (
+      0x0D03
+      | VehiclePropertyGroup:SYSTEM
+      | VehiclePropertyType:COMPLEX
+      | VehicleArea:GLOBAL),
+};
+
+/* The status of a fuel system as described by the OBD2 specification. */
+enum FuelSystemStatus : int32_t {
+  OPEN_INSUFFICIENT_ENGINE_TEMPERATURE = 1,
+
+  CLOSED_LOOP = 2,
+
+  OPEN_ENGINE_LOAD_OR_DECELERATION = 4,
+
+  OPEN_SYSTEM_FAILURE = 8,
+
+  CLOSED_LOOP_BUT_FEEDBACK_FAULT = 16,
+};
+
+/* Defines which ignition monitors are available to be read. */
+enum IgnitionMonitorKind : int32_t {
+  SPARK = 0,
+
+  COMPRESSION = 1,
+};
+
+/* These ignition monitors are common to both SPARK and COMPRESSION. */
+enum CommonIgnitionMonitors : int32_t {
+  COMPONENTS_AVAILABLE = 0x1 << 0,
+  COMPONENTS_INCOMPLETE = 0x1 << 1,
+
+  FUEL_SYSTEM_AVAILABLE = 0x1 << 2,
+  FUEL_SYSTEM_INCOMPLETE = 0x1 << 3,
+
+  MISFIRE_AVAILABLE = 0x1 << 4,
+  MISFIRE_INCOMPLETE = 0x1 << 5,
+};
+
+/* Ignition monitors available for SPARK vehicles. */
+enum SparkIgnitionMonitors : CommonIgnitionMonitors {
+  EGR_AVAILABLE = 0x1 << 6,
+  EGR_INCOMPLETE = 0x1 << 7,
+
+  OXYGEN_SENSOR_HEATER_AVAILABLE = 0x1 << 8,
+  OXYGEN_SENSOR_HEATER_INCOMPLETE = 0x1 << 9,
+
+  OXYGEN_SENSOR_AVAILABLE = 0x1 << 10,
+  OXYGEN_SENSOR_INCOMPLETE = 0x1 << 11,
+
+  AC_REFRIGERANT_AVAILABLE = 0x1 << 12,
+  AC_REFRIGERANT_INCOMPLETE = 0x1 << 13,
+
+  SECONDARY_AIR_SYSTEM_AVAILABLE = 0x1 << 14,
+  SECONDARY_AIR_SYSTEM_INCOMPLETE = 0x1 << 15,
+
+  EVAPORATIVE_SYSTEM_AVAILABLE = 0x1 << 16,
+  EVAPORATIVE_SYSTEM_INCOMPLETE = 0x1 << 17,
+
+  HEATED_CATALYST_AVAILABLE = 0x1 << 18,
+  HEATED_CATALYST_INCOMPLETE = 0x1 << 19,
+
+  CATALYST_AVAILABLE = 0x1 << 20,
+  CATALYST_INCOMPLETE = 0x1 << 21,
+};
+
+/* Ignition monitors only available for COMPRESSION vehicles. */
+enum CompressionIgnitionMonitors : CommonIgnitionMonitors {
+  EGR_OR_VVT_AVAILABLE = 0x1 << 6,
+  EGR_OR_VVT_INCOMPLETE = 0x1 << 7,
+
+  PM_FILTER_AVAILABLE = 0x1 << 8,
+  PM_FILTER_INCOMPLETE = 0x1 << 9,
+
+  EXHAUST_GAS_SENSOR_AVAILABLE = 0x1 << 10,
+  EXHAUST_GAS_SENSOR_INCOMPLETE = 0x1 << 11,
+
+  BOOST_PRESSURE_AVAILABLE = 0x1 << 12,
+  BOOST_PRESSURE_INCOMPLETE = 0x1 << 13,
+
+  NOx_SCR__AVAILABLE = 0x1 << 14,
+  NOx_SCR_INCOMPLETE = 0x1 << 15,
+
+  NMHC_CATALYST_AVAILABLE = 0x1 << 16,
+  NMHC_CATALYST_INCOMPLETE = 0x1 << 17,
+};
+
+enum SecondaryAirStatus : int32_t {
+  UPSTREAM = 1,
+
+  DOWNSTREAM_OF_CATALYCIC_CONVERTER = 2,
+
+  FROM_OUTSIDE_OR_OFF = 4,
+
+  PUMP_ON_FOR_DIAGNOSTICS = 8,
+};
+
+enum FuelType : int32_t {
+  NOT_AVAILABLE = 0,
+
+  GASOLINE = 1,
+
+  METHANOL = 2,
+
+  ETHANOL = 3,
+
+  DIESEL = 4,
+
+  LPG = 5,
+
+  CNG = 6,
+
+  PROPANE = 7,
+
+  ELECTRIC = 8,
+
+  BIFUEL_RUNNING_GASOLINE = 9,
+
+  BIFUEL_RUNNING_METHANOL = 10,
+
+  BIFUEL_RUNNING_ETHANOL = 11,
+
+  BIFUEL_RUNNING_LPG = 12,
+
+  BIFUEL_RUNNING_CNG = 13,
+
+  BIFUEL_RUNNING_PROPANE = 14,
+
+  BIFUEL_RUNNING_ELECTRIC = 15,
+
+  BIFUEL_RUNNING_ELECTRIC_AND_COMBUSTION = 16,
+
+  HYBRID_GASOLINE = 17,
+
+  HYBRID_ETHANOL = 18,
+
+  HYBRID_DIESEL = 19,
+
+  HYBRID_ELECTRIC = 20,
+
+  HYBRID_RUNNING_ELECTRIC_AND_COMBUSTION = 21,
+
+  HYBRID_REGENERATIVE = 22,
+
+  BIFUEL_RUNNING_DIESEL = 23,
+};
+
+/*
+ * This enum provides the canonical mapping for sensor properties that have an integer value.
+ * The ordering of the values is taken from the OBD2 specification.
+ * Some of the properties are represented as an integer mapping to another enum. In those cases
+ * expect a comment by the property definition describing the enum to look at for the mapping.
+ * Any value greater than the last reserved index is available to vendors to map their extensions.
+ */
+enum Obd2IntegerSensorIndex : int32_t {
+  /* refer to FuelSystemStatus for a description of this value. */
+  FUEL_SYSTEM_STATUS = 0,
+
+  MALFUNCTION_INDICATOR_LIGHT_ON = 1,
+
+  /* refer to IgnitionMonitorKind for a description of this value. */
+  IGNITION_MONITORS_SUPPORTED = 2,
+
+  /*
+   * The value of this sensor is a bitmask that specifies whether ignition-specific
+   * tests are available and whether they are complete. The semantics of the individual
+   * bits in this value are given by, respectively, SparkIgnitionMonitors and
+   * CompressionIgnitionMonitors depending on the value of IGNITION_MONITORS_SUPPORTED.
+   */
+  IGNITION_SPECIFIC_MONITORS = 3,
+
+  INTAKE_AIR_TEMPERATURE = 4,
+
+  /* refer to SecondaryAirStatus for a description of this value. */
+  COMMANDED_SECONDARY_AIR_STATUS = 5,
+
+  NUM_OXYGEN_SENSORS_PRESENT = 6,
+
+  RUNTIME_SINCE_ENGINE_START = 7,
+
+  DISTANCE_TRAVELED_WITH_MALFUNCTION_INDICATOR_LIGHT_ON = 8,
+
+  WARMUPS_SINCE_CODES_CLEARED = 9,
+
+  DISTANCE_TRAVELED_SINCE_CODES_CLEARED = 10,
+
+  ABSOLUTE_BAROMETRIC_PRESSURE = 11,
+
+  CONTROL_MODULE_VOLTAGE = 12,
+
+  AMBIENT_AIR_TEMPERATURE = 13,
+
+  TIME_WITH_MALFUNCTION_LIGHT_ON = 14,
+
+  TIME_SINCE_TROUBLE_CODES_CLEARED = 15,
+
+  MAX_FUEL_AIR_EQUIVALENCE_RATIO = 16,
+
+  MAX_OXYGEN_SENSOR_VOLTAGE = 17,
+
+  MAX_OXYGEN_SENSOR_CURRENT = 18,
+
+  MAX_INTAKE_MANIFOLD_ABSOLUTE_PRESSURE = 19,
+
+  MAX_AIR_FLOW_RATE_FROM_MASS_AIR_FLOW_SENSOR = 20,
+
+  /* refer to FuelType for a description of this value. */
+  FUEL_TYPE = 21,
+
+  FUEL_RAIL_ABSOLUTE_PRESSURE = 22,
+
+  ENGINE_OIL_TEMPERATURE = 23,
+
+  DRIVER_DEMAND_PERCENT_TORQUE = 24,
+
+  ENGINE_ACTUAL_PERCENT_TORQUE = 25,
+
+  ENGINE_REFERENCE_PERCENT_TORQUE = 26,
+
+  ENGINE_PERCENT_TORQUE_DATA_IDLE = 27,
+
+  ENGINE_PERCENT_TORQUE_DATA_POINT1 = 28,
+
+  ENGINE_PERCENT_TORQUE_DATA_POINT2 = 29,
+
+  ENGINE_PERCENT_TORQUE_DATA_POINT3 = 30,
+
+  ENGINE_PERCENT_TORQUE_DATA_POINT4 = 31,
+
+  LAST_SYSTEM_INDEX = ENGINE_PERCENT_TORQUE_DATA_POINT4,
+};
+
+/*
+ * This enum provides the canonical mapping for sensor properties that have a floating-point value.
+ * The ordering of the values is taken from the OBD2 specification.
+ * Any value greater than the last reserved index is available to vendors to map their extensions.
+ */
+enum Obd2FloatSensorIndex : int32_t {
+  CALCULATED_ENGINE_LOAD = 0,
+
+  ENGINE_COOLANT_TEMPERATURE = 1,
+
+  SHORT_TERM_FUEL_TRIM_BANK1 = 2,
+
+  LONG_TERM_FUEL_TRIM_BANK1 = 3,
+
+  SHORT_TERM_FUEL_TRIM_BANK2 = 4,
+
+  LONG_TERM_FUEL_TRIM_BANK2 = 5,
+
+  FUEL_PRESSURE = 6,
+
+  INTAKE_MANIFOLD_ABSOLUTE_PRESSURE = 7,
+
+  ENGINE_RPM = 8,
+
+  VEHICLE_SPEED = 9,
+
+  TIMING_ADVANCE = 10,
+
+  MAF_AIR_FLOW_RATE = 11,
+
+  THROTTLE_POSITION = 12,
+
+  OXYGEN_SENSOR1_VOLTAGE = 13,
+
+  OXYGEN_SENSOR1_SHORT_TERM_FUEL_TRIM = 14,
+
+  OXYGEN_SENSOR1_FUEL_AIR_EQUIVALENCE_RATIO = 15,
+
+  OXYGEN_SENSOR2_VOLTAGE = 16,
+
+  OXYGEN_SENSOR2_SHORT_TERM_FUEL_TRIM = 17,
+
+  OXYGEN_SENSOR2_FUEL_AIR_EQUIVALENCE_RATIO = 18,
+
+  OXYGEN_SENSOR3_VOLTAGE = 19,
+
+  OXYGEN_SENSOR3_SHORT_TERM_FUEL_TRIM = 20,
+
+  OXYGEN_SENSOR3_FUEL_AIR_EQUIVALENCE_RATIO = 21,
+
+  OXYGEN_SENSOR4_VOLTAGE = 22,
+
+  OXYGEN_SENSOR4_SHORT_TERM_FUEL_TRIM = 23,
+
+  OXYGEN_SENSOR4_FUEL_AIR_EQUIVALENCE_RATIO = 24,
+
+  OXYGEN_SENSOR5_VOLTAGE = 25,
+
+  OXYGEN_SENSOR5_SHORT_TERM_FUEL_TRIM = 26,
+
+  OXYGEN_SENSOR5_FUEL_AIR_EQUIVALENCE_RATIO = 27,
+
+  OXYGEN_SENSOR6_VOLTAGE = 28,
+
+  OXYGEN_SENSOR6_SHORT_TERM_FUEL_TRIM = 29,
+
+  OXYGEN_SENSOR6_FUEL_AIR_EQUIVALENCE_RATIO = 30,
+
+  OXYGEN_SENSOR7_VOLTAGE = 31,
+
+  OXYGEN_SENSOR7_SHORT_TERM_FUEL_TRIM = 32,
+
+  OXYGEN_SENSOR7_FUEL_AIR_EQUIVALENCE_RATIO = 33,
+
+  OXYGEN_SENSOR8_VOLTAGE = 34,
+
+  OXYGEN_SENSOR8_SHORT_TERM_FUEL_TRIM = 35,
+
+  OXYGEN_SENSOR8_FUEL_AIR_EQUIVALENCE_RATIO = 36,
+
+  FUEL_RAIL_PRESSURE = 37,
+
+  FUEL_RAIL_GAUGE_PRESSURE = 38,
+
+  COMMANDED_EXHAUST_GAS_RECIRCULATION = 39,
+
+  EXHAUST_GAS_RECIRCULATION_ERROR = 40,
+
+  COMMANDED_EVAPORATIVE_PURGE = 41,
+
+  FUEL_TANK_LEVEL_INPUT = 42,
+
+  EVAPORATION_SYSTEM_VAPOR_PRESSURE = 43,
+
+  CATALYST_TEMPERATURE_BANK1_SENSOR1 = 44,
+
+  CATALYST_TEMPERATURE_BANK2_SENSOR1 = 45,
+
+  CATALYST_TEMPERATURE_BANK1_SENSOR2 = 46,
+
+  CATALYST_TEMPERATURE_BANK2_SENSOR2 = 47,
+
+  ABSOLUTE_LOAD_VALUE = 48,
+
+  FUEL_AIR_COMMANDED_EQUIVALENCE_RATIO = 49,
+
+  RELATIVE_THROTTLE_POSITION = 50,
+
+  ABSOLUTE_THROTTLE_POSITION_B = 51,
+
+  ABSOLUTE_THROTTLE_POSITION_C = 52,
+
+  ACCELERATOR_PEDAL_POSITION_D = 53,
+
+  ACCELERATOR_PEDAL_POSITION_E = 54,
+
+  ACCELERATOR_PEDAL_POSITION_F = 55,
+
+  COMMANDED_THROTTLE_ACTUATOR = 56,
+
+  ETHANOL_FUEL_PERCENTAGE = 57,
+
+  ABSOLUTE_EVAPORATION_SYSTEM_VAPOR_PRESSURE = 58,
+
+  SHORT_TERM_SECONDARY_OXYGEN_SENSOR_TRIM_BANK1 = 59,
+
+  SHORT_TERM_SECONDARY_OXYGEN_SENSOR_TRIM_BANK2 = 60,
+
+  SHORT_TERM_SECONDARY_OXYGEN_SENSOR_TRIM_BANK3 = 61,
+
+  SHORT_TERM_SECONDARY_OXYGEN_SENSOR_TRIM_BANK4 = 62,
+
+  LONG_TERM_SECONDARY_OXYGEN_SENSOR_TRIM_BANK1 = 63,
+
+  LONG_TERM_SECONDARY_OXYGEN_SENSOR_TRIM_BANK2 = 64,
+
+  LONG_TERM_SECONDARY_OXYGEN_SENSOR_TRIM_BANK3 = 65,
+
+  LONG_TERM_SECONDARY_OXYGEN_SENSOR_TRIM_BANK4 = 66,
+
+  RELATIVE_ACCELERATOR_PEDAL_POSITION = 67,
+
+  HYBRID_BATTERY_PACK_REMAINING_LIFE = 68,
+
+  FUEL_INJECTION_TIMING = 69,
+
+  ENGINE_FUEL_RATE = 70,
+
+  LAST_SYSTEM_INDEX = ENGINE_FUEL_RATE,
 };