Active Valve Assembly: Troubleshooting

Phenomenon		Inspection method		Countermeasure
Valve is stuck in opened status	Large sound of exhaust system is generated in ECO/NORMAL/SPORT Mode.	Visually check the valve movement.	Check how the valve moves when pushing the valve inside the tail pipe using a stick. Courtesy of HYUNDAI MOTOR AMERICA	Replace the rear muffler assembly if the vale does not move.
Valve is stuck in opened status		Check the valve operation.	Check the valve initialization when starting the engine: check the valve operation sound (click).	Exchange the valve actuator or wiring if the valve does not operate (check the exchange of valve actuator first).
Valve is stuck in closed status	Small sound of exhaust system is generated in SPORT+ Mode.	Visually check the valve movement.	Check how the valve moves when pushing the valve inside the tail pipe using a stick. Courtesy of HYUNDAI MOTOR AMERICA	Replace the rear muffler assembly if the vale does not move.
Valve is stuck in closed status	Small sound of exhaust system is generated in SPORT+ Mode.	Check the valve operation.	Check the valve initialization when starting the engine: check the valve operation sound (click).	Exchange the valve actuator or wiring if the valve does not operate (check the exchange of valve actuator first).