Active Grille Air Shutter A Position Sensor Circuit

Common symptoms

What you'll notice

• Check for any loose or disconnected wiring in the active grille air shutter system and repair as necessary.
• Inspect the position sensor for any damage or malfunction and replace if needed.
• Reset the OBD 2 error code and see if it returns, indicating a temporary issue.
• Perform a thorough cleaning of the active grille air shutter and associated components to remove any dirt or debris that may be affecting its functionality.
• If all else fails, it may be necessary to replace the active grille air shutter system altogether.

Common causes

Most likely first

1. Faulty or malfunctioning active grille air shutter position sensor
2. Damaged or disconnected wiring or connectors related to the active grille air shutter system
3. Clogged or stuck active grille air shutter mechanism
4. Issues with the control module or software governing the active grille air shutter system
5. Environmental factors, such as debris or road conditions, affecting the proper functioning of the active grille air shutter system.

How to diagnose & fix

Work through it in order

1. Engine misfires or runs rough
2. Reduced fuel efficiency
3. Illuminated check engine light
4. Rough idling
5. Difficulty starting the engine