diff --git a/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h b/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h
index 8b77040..a6cb861 100644
--- a/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h
+++ b/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h
@@ -238,6 +238,7 @@
         {VehicleProperty::SUPPORTED_PROPERTY_IDS, VehiclePropertyAccess::READ},
         {VehicleProperty::SHUTDOWN_REQUEST, VehiclePropertyAccess::WRITE},
         {VehicleProperty::AUTOMATIC_EMERGENCY_BRAKING_ENABLED, VehiclePropertyAccess::READ_WRITE},
+        {VehicleProperty::AUTOMATIC_EMERGENCY_BRAKING_STATE, VehiclePropertyAccess::READ},
         {VehicleProperty::FORWARD_COLLISION_WARNING_ENABLED, VehiclePropertyAccess::READ_WRITE},
         {VehicleProperty::BLIND_SPOT_WARNING_ENABLED, VehiclePropertyAccess::READ_WRITE},
         {VehicleProperty::LANE_DEPARTURE_WARNING_ENABLED, VehiclePropertyAccess::READ_WRITE},
diff --git a/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h b/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h
index d7e87e2..d3bf5f2 100644
--- a/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h
+++ b/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h
@@ -238,6 +238,7 @@
         {VehicleProperty::SUPPORTED_PROPERTY_IDS, VehiclePropertyChangeMode::STATIC},
         {VehicleProperty::SHUTDOWN_REQUEST, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::AUTOMATIC_EMERGENCY_BRAKING_ENABLED, VehiclePropertyChangeMode::ON_CHANGE},
+        {VehicleProperty::AUTOMATIC_EMERGENCY_BRAKING_STATE, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::FORWARD_COLLISION_WARNING_ENABLED, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::BLIND_SPOT_WARNING_ENABLED, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::LANE_DEPARTURE_WARNING_ENABLED, VehiclePropertyChangeMode::ON_CHANGE},
diff --git a/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java b/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java
index 14600f0..1a1ce5e 100644
--- a/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java
+++ b/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java
@@ -230,6 +230,7 @@
         Map.entry(VehicleProperty.SUPPORTED_PROPERTY_IDS, VehiclePropertyAccess.READ),
         Map.entry(VehicleProperty.SHUTDOWN_REQUEST, VehiclePropertyAccess.WRITE),
         Map.entry(VehicleProperty.AUTOMATIC_EMERGENCY_BRAKING_ENABLED, VehiclePropertyAccess.READ_WRITE),
+        Map.entry(VehicleProperty.AUTOMATIC_EMERGENCY_BRAKING_STATE, VehiclePropertyAccess.READ),
         Map.entry(VehicleProperty.FORWARD_COLLISION_WARNING_ENABLED, VehiclePropertyAccess.READ_WRITE),
         Map.entry(VehicleProperty.BLIND_SPOT_WARNING_ENABLED, VehiclePropertyAccess.READ_WRITE),
         Map.entry(VehicleProperty.LANE_DEPARTURE_WARNING_ENABLED, VehiclePropertyAccess.READ_WRITE),
diff --git a/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java b/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java
index 864f392..c8abc14 100644
--- a/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java
+++ b/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java
@@ -230,6 +230,7 @@
         Map.entry(VehicleProperty.SUPPORTED_PROPERTY_IDS, VehiclePropertyChangeMode.STATIC),
         Map.entry(VehicleProperty.SHUTDOWN_REQUEST, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.AUTOMATIC_EMERGENCY_BRAKING_ENABLED, VehiclePropertyChangeMode.ON_CHANGE),
+        Map.entry(VehicleProperty.AUTOMATIC_EMERGENCY_BRAKING_STATE, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.FORWARD_COLLISION_WARNING_ENABLED, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.BLIND_SPOT_WARNING_ENABLED, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.LANE_DEPARTURE_WARNING_ENABLED, VehiclePropertyChangeMode.ON_CHANGE),
diff --git a/automotive/vehicle/aidl/impl/default_config/JsonConfigLoader/src/JsonConfigLoader.cpp b/automotive/vehicle/aidl/impl/default_config/JsonConfigLoader/src/JsonConfigLoader.cpp
index 5521ed1..a58d477 100644
--- a/automotive/vehicle/aidl/impl/default_config/JsonConfigLoader/src/JsonConfigLoader.cpp
+++ b/automotive/vehicle/aidl/impl/default_config/JsonConfigLoader/src/JsonConfigLoader.cpp
@@ -35,7 +35,9 @@
 namespace jsonconfigloader_impl {
 
 using ::aidl::android::hardware::automotive::vehicle::AccessForVehicleProperty;
+using ::aidl::android::hardware::automotive::vehicle::AutomaticEmergencyBrakingState;
 using ::aidl::android::hardware::automotive::vehicle::ChangeModeForVehicleProperty;
+using ::aidl::android::hardware::automotive::vehicle::ErrorState;
 using ::aidl::android::hardware::automotive::vehicle::EvConnectorType;
 using ::aidl::android::hardware::automotive::vehicle::EvsServiceState;
 using ::aidl::android::hardware::automotive::vehicle::EvsServiceType;
@@ -207,6 +209,9 @@
     mConstantParsersByType["VehicleIgnitionState"] =
             std::make_unique<ConstantParser<VehicleIgnitionState>>();
     mConstantParsersByType["FuelType"] = std::make_unique<ConstantParser<FuelType>>();
+    mConstantParsersByType["ErrorState"] = std::make_unique<ConstantParser<ErrorState>>();
+    mConstantParsersByType["AutomaticEmergencyBrakingState"] =
+            std::make_unique<ConstantParser<AutomaticEmergencyBrakingState>>();
     mConstantParsersByType["Constants"] = std::make_unique<LocalVariableParser>();
 }
 
diff --git a/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json b/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json
index 8181769..080e6c0 100644
--- a/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json
+++ b/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json
@@ -3163,6 +3163,28 @@
             }
         },
         {
+            "property": "VehicleProperty::AUTOMATIC_EMERGENCY_BRAKING_STATE",
+            "defaultValue": {
+                "int32Values": [
+                    "AutomaticEmergencyBrakingState::ENABLED"
+                ]
+            },
+            "areas": [
+                {
+                    "areaId": 0,
+                    "supportedEnumValues": [
+                        "ErrorState::NOT_AVAILABLE_SAFETY",
+                        "ErrorState::NOT_AVAILABLE_SPEED_HIGH",
+                        "ErrorState::NOT_AVAILABLE_SPEED_LOW",
+                        "ErrorState::NOT_AVAILABLE_DISABLED",
+                        "AutomaticEmergencyBrakingState::ENABLED",
+                        "AutomaticEmergencyBrakingState::ACTIVATED",
+                        "AutomaticEmergencyBrakingState::USER_OVERRIDE"
+                    ]
+                }
+            ]
+        },
+        {
             "property": "VehicleProperty::FORWARD_COLLISION_WARNING_ENABLED",
             "defaultValue": {
                 "int32Values": [
diff --git a/automotive/vehicle/aidl/impl/default_config/config/README.md b/automotive/vehicle/aidl/impl/default_config/config/README.md
index 0e3fc5e..1318d6d 100644
--- a/automotive/vehicle/aidl/impl/default_config/config/README.md
+++ b/automotive/vehicle/aidl/impl/default_config/config/README.md
@@ -141,6 +141,10 @@
 
 * FuelType
 
+* AutomaticEmergencyBrakingState
+
+* ErrorState
+
 * Constants
 
 Every constant type except "Constants" corresponds to a enum defined in Vehicle
diff --git a/automotive/vehicle/aidl/impl/utils/common/include/VehicleHalTypes.h b/automotive/vehicle/aidl/impl/utils/common/include/VehicleHalTypes.h
index 0915701..567ffe9 100644
--- a/automotive/vehicle/aidl/impl/utils/common/include/VehicleHalTypes.h
+++ b/automotive/vehicle/aidl/impl/utils/common/include/VehicleHalTypes.h
@@ -17,8 +17,10 @@
 #ifndef android_hardware_automotive_vehicle_aidl_impl_utils_common_include_VehicleHalTypes_H_
 #define android_hardware_automotive_vehicle_aidl_impl_utils_common_include_VehicleHalTypes_H_
 
+#include <aidl/android/hardware/automotive/vehicle/AutomaticEmergencyBrakingState.h>
 #include <aidl/android/hardware/automotive/vehicle/DiagnosticFloatSensorIndex.h>
 #include <aidl/android/hardware/automotive/vehicle/DiagnosticIntegerSensorIndex.h>
+#include <aidl/android/hardware/automotive/vehicle/ErrorState.h>
 #include <aidl/android/hardware/automotive/vehicle/EvConnectorType.h>
 #include <aidl/android/hardware/automotive/vehicle/EvStoppingMode.h>
 #include <aidl/android/hardware/automotive/vehicle/EvsServiceState.h>
diff --git a/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/AutomaticEmergencyBrakingState.aidl b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/AutomaticEmergencyBrakingState.aidl
new file mode 100644
index 0000000..b316df7
--- /dev/null
+++ b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/AutomaticEmergencyBrakingState.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.automotive.vehicle;
+@Backing(type="int") @VintfStability
+enum AutomaticEmergencyBrakingState {
+  OTHER = 0,
+  ENABLED = 1,
+  ACTIVATED = 2,
+  USER_OVERRIDE = 3,
+}
diff --git a/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/ErrorState.aidl b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/ErrorState.aidl
new file mode 100644
index 0000000..4fdbe1b
--- /dev/null
+++ b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/ErrorState.aidl
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.automotive.vehicle;
+@VintfStability
+enum ErrorState {
+  OTHER_ERROR_STATE = (-1),
+  NOT_AVAILABLE_DISABLED = (-2),
+  NOT_AVAILABLE_SPEED_LOW = (-3),
+  NOT_AVAILABLE_SPEED_HIGH = (-4),
+  NOT_AVAILABLE_SAFETY = (-5),
+}
diff --git a/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
index 914787e..4931ab1 100644
--- a/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
+++ b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
@@ -238,6 +238,7 @@
   SUPPORTED_PROPERTY_IDS = 289476424,
   SHUTDOWN_REQUEST = 289410889,
   AUTOMATIC_EMERGENCY_BRAKING_ENABLED = 287313920,
+  AUTOMATIC_EMERGENCY_BRAKING_STATE = 289411073,
   FORWARD_COLLISION_WARNING_ENABLED = 287313922,
   BLIND_SPOT_WARNING_ENABLED = 287313924,
   LANE_DEPARTURE_WARNING_ENABLED = 287313926,
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/AutomaticEmergencyBrakingState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/AutomaticEmergencyBrakingState.aidl
new file mode 100644
index 0000000..540c663
--- /dev/null
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/AutomaticEmergencyBrakingState.aidl
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+
+package android.hardware.automotive.vehicle;
+
+/**
+ * Used to enumerate the state of Automatic Emergency Braking (AEB).
+ */
+@VintfStability
+@Backing(type="int")
+enum AutomaticEmergencyBrakingState {
+
+    /**
+     * This state is used as an alternative to any AutomaticEmergencyBrakingState value that is not
+     * defined in the platform. Ideally, implementations of
+     * VehicleProperty#AUTOMATIC_EMERGENCY_BRAKING_STATE should not use this state. The framework
+     * can use this field to remain backwards compatible if AutomaticEmergencyBrakingState is
+     * extended to include additional states.
+     */
+    OTHER = 0,
+    /**
+     * AEB is enabled and monitoring safety, but brakes are not activated.
+     */
+    ENABLED = 1,
+    /**
+     * AEB is enabled and currently has the brakes applied for the vehicle.
+     */
+    ACTIVATED = 2,
+    /**
+     * Many AEB implementations allow the driver to override AEB. This means that the car has
+     * determined it should brake, but a user decides to take over and do something else. This is
+     * often done for safety reasons and to ensure that the driver can always take control of the
+     * vehicle. This state should be set when the user is actively overriding the AEB system.
+     */
+    USER_OVERRIDE = 3,
+}
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ErrorState.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ErrorState.aidl
new file mode 100644
index 0000000..42007fa
--- /dev/null
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/ErrorState.aidl
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+
+package android.hardware.automotive.vehicle;
+
+/**
+ * Used to enumerate the possible error states. For version 2 of this interface, ErrorState is used
+ * by ADAS STATE properties, but its use may be expanded in future releases.
+ */
+@VintfStability
+enum ErrorState {
+
+    /**
+     * This state is used as an alternative to any ErrorState value that is not defined in the
+     * platform. Ideally, implementations of vehicle properties should not use this state. The
+     * framework can use this field to remain backwards compatible if this enum is extended to
+     * include additional states.
+     */
+    OTHER_ERROR_STATE = -1,
+    NOT_AVAILABLE_DISABLED = -2,
+    NOT_AVAILABLE_SPEED_LOW = -3,
+    NOT_AVAILABLE_SPEED_HIGH = -4,
+    NOT_AVAILABLE_SAFETY = -5,
+}
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
index e776154..4a9799e 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
@@ -3439,6 +3439,28 @@
             0x1000 + VehiclePropertyGroup.SYSTEM + VehicleArea.GLOBAL + VehiclePropertyType.BOOLEAN,
 
     /**
+     * Automatic Emergency Braking (AEB) state.
+     *
+     * Returns the current state of AEB. This property must always return a valid state defined in
+     * AutomaticEmergencyBrakingState or ErrorState. It must not surface errors through StatusCode
+     * and must use the supported error states instead.
+     *
+     * If AEB includes forward collision warnings before activating the brakes, those warnings must
+     * be surfaced through the Forward Collision Warning (FCW) properties.
+     *
+     * For the global area ID (0), the VehicleAreaConfig#supportedEnumValues array must be defined
+     * unless all states of both AutomaticEmergencyBrakingState (including OTHER, which is not
+     * recommended) and ErrorState are supported.
+     *
+     * @change_mode VehiclePropertyChangeMode.ON_CHANGE
+     * @access VehiclePropertyAccess.READ
+     * @data_enum AutomaticEmergencyBrakingState
+     * @data_enum ErrorState
+     */
+    AUTOMATIC_EMERGENCY_BRAKING_STATE =
+            0x1001 + VehiclePropertyGroup.SYSTEM + VehicleArea.GLOBAL + VehiclePropertyType.INT32,
+
+    /**
      * Enable or disable forward collision warning (FCW).
      *
      * Set true to enable FCW and false to disable FCW. When FCW is enabled, the ADAS system in the
diff --git a/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp b/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
index 848edb8..17edc1d 100644
--- a/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
+++ b/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
@@ -684,6 +684,12 @@
                    VehiclePropertyGroup::SYSTEM, VehicleArea::GLOBAL, VehiclePropertyType::BOOLEAN);
 }
 
+TEST_P(VtsHalAutomotiveVehicleTargetTest, verifyAutomaticEmergencyBrakingStateConfig) {
+    verifyProperty(VehicleProperty::AUTOMATIC_EMERGENCY_BRAKING_STATE, VehiclePropertyAccess::READ,
+                   VehiclePropertyChangeMode::ON_CHANGE, VehiclePropertyGroup::SYSTEM,
+                   VehicleArea::GLOBAL, VehiclePropertyType::INT32);
+}
+
 TEST_P(VtsHalAutomotiveVehicleTargetTest, verifyForwardCollisionWarningEnabledConfig) {
     verifyProperty(VehicleProperty::FORWARD_COLLISION_WARNING_ENABLED,
                    VehiclePropertyAccess::READ_WRITE, VehiclePropertyChangeMode::ON_CHANGE,