diff --git a/automotive/vehicle/aidl/impl/fake_impl/hardware/include/FakeVehicleHardware.h b/automotive/vehicle/aidl/impl/fake_impl/hardware/include/FakeVehicleHardware.h
index ec69894..ad14a9b 100644
--- a/automotive/vehicle/aidl/impl/fake_impl/hardware/include/FakeVehicleHardware.h
+++ b/automotive/vehicle/aidl/impl/fake_impl/hardware/include/FakeVehicleHardware.h
@@ -49,6 +49,11 @@
 
 class FakeVehicleHardware : public IVehicleHardware {
   public:
+    // Supports Suspend_to_ram.
+    static constexpr int32_t SUPPORT_S2R = 0x1;
+    // Supports Suspend_to_disk.
+    static constexpr int32_t SUPPORT_S2D = 0x4;
+
     using ValueResultType = VhalResult<VehiclePropValuePool::RecyclableType>;
 
     FakeVehicleHardware();
@@ -117,6 +122,12 @@
 
     bool UseOverrideConfigDir();
 
+    // Gets the config whether S2R or S2D is supported, must returns a bit flag made up of
+    // SUPPORT_S2R and SUPPORT_S2D, for example, 0x0 means no support, 0x5 means support both.
+    // The default implementation is reading this from system property:
+    // "ro.vendor.fake_vhal.ap_power_state_req.config".
+    int32_t getS2rS2dConfig();
+
   private:
     // Expose private methods to unit test.
     friend class FakeVehicleHardwareTestHelper;
diff --git a/automotive/vehicle/aidl/impl/fake_impl/hardware/src/FakeVehicleHardware.cpp b/automotive/vehicle/aidl/impl/fake_impl/hardware/src/FakeVehicleHardware.cpp
index 237a4c4..edb1d34 100644
--- a/automotive/vehicle/aidl/impl/fake_impl/hardware/src/FakeVehicleHardware.cpp
+++ b/automotive/vehicle/aidl/impl/fake_impl/hardware/src/FakeVehicleHardware.cpp
@@ -396,8 +396,7 @@
         VehiclePropertyStore::TokenFunction tokenFunction = nullptr;
 
         if (cfg.prop == toInt(VehicleProperty::AP_POWER_STATE_REQ)) {
-            int config = GetIntProperty(POWER_STATE_REQ_CONFIG_PROPERTY, /*default_value=*/0);
-            cfg.configArray[0] = config;
+            cfg.configArray[0] = getS2rS2dConfig();
         } else if (cfg.prop == OBD2_FREEZE_FRAME) {
             tokenFunction = [](const VehiclePropValue& propValue) { return propValue.timestamp; };
         }
@@ -426,6 +425,10 @@
     });
 }
 
+int32_t FakeVehicleHardware::getS2rS2dConfig() {
+    return GetIntProperty(POWER_STATE_REQ_CONFIG_PROPERTY, /*default_value=*/0);
+}
+
 std::vector<VehiclePropConfig> FakeVehicleHardware::getAllPropertyConfigs() const {
     std::vector<VehiclePropConfig> allConfigs = mServerSidePropStore->getAllConfigs();
     if (mAddExtraTestVendorConfigs) {