diff --git a/firmware/controllers/actuators/ac_control.cpp b/firmware/controllers/actuators/ac_control.cpp
index f4384f154d..af655354b6 100644
--- a/firmware/controllers/actuators/ac_control.cpp
+++ b/firmware/controllers/actuators/ac_control.cpp
@@ -45,6 +45,9 @@ bool AcController::getAcState() {
 	if (tpsTooHigh) {
 			return false;
 	}
+	if (isDisabledByLua) {
+		return false;
+	}
 
 	acButtonState = engine->acSwitchState;
 	// All conditions allow AC, simply pass thru switch
diff --git a/firmware/controllers/actuators/ac_control.txt b/firmware/controllers/actuators/ac_control.txt
index b9e69c7064..92aa1b8694 100644
--- a/firmware/controllers/actuators/ac_control.txt
+++ b/firmware/controllers/actuators/ac_control.txt
@@ -7,8 +7,9 @@ bit engineTooHot
 bit tpsTooHigh
 
 bit acButtonState
-bit isDisabledByLua
+bit isDisabledByLua;For setAcDisabled Lua method
 
 int latest_usage_ac_control;
+int acSwitchLastChangeTimeMs;
 
 end_struct
diff --git a/firmware/controllers/lua/lua.cpp b/firmware/controllers/lua/lua.cpp
index a2510c83c6..6f7f4cae4c 100644
--- a/firmware/controllers/lua/lua.cpp
+++ b/firmware/controllers/lua/lua.cpp
@@ -292,6 +292,17 @@ struct LuaThread : ThreadController<4096> {
 	void ThreadTask() override;
 };
 
+static void resetLua() {
+	engine->module<AcController>().unmock().isDisabledByLua = false;
+#if EFI_CAN_SUPPORT
+	resetLuaCanRx();
+#endif // EFI_CAN_SUPPORT
+
+	// De-init pins, they will reinit next start of the script.
+	luaDeInitPins();
+}
+
+
 static bool needsReset = false;
 
 // Each invocation of runOneLua will:
@@ -335,12 +346,7 @@ static bool runOneLua(lua_Alloc alloc, const char* script) {
 		engine->outputChannels.luaInvocationCounter++;
 	}
 
-#if EFI_CAN_SUPPORT
-	resetLuaCanRx();
-#endif // EFI_CAN_SUPPORT
-
-	// De-init pins, they will reinit next start of the script.
-	luaDeInitPins();
+	resetLua();
 
 	return true;
 }
diff --git a/firmware/controllers/lua/lua_hooks.cpp b/firmware/controllers/lua/lua_hooks.cpp
index 322009fef6..ced47825b4 100644
--- a/firmware/controllers/lua/lua_hooks.cpp
+++ b/firmware/controllers/lua/lua_hooks.cpp
@@ -588,6 +588,12 @@ void configureRusefiLuaHooks(lua_State* l) {
 		return 0;
 	});
 
+	lua_register(l, "setAcDisabled", [](lua_State* l) {
+		auto value = lua_toboolean(l, 1);
+		engine->module<AcController>().unmock().isDisabledByLua = value;
+		return 0;
+	});
+
 	lua_register(l, "setTimingAdd", [](lua_State* l) {
 		engine->engineState.luaAdjustments.ignitionTimingAdd = luaL_checknumber(l, 1);
 		return 0;