Active Grille Air Shutter A Position Sensor Circuit Range/Performance

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
2. Wiring issues or loose connections in the position sensor circuit
3. Sensor malfunction or calibration problem
4. Blocked or jammed air shutter
5. Electronic control module (ECM) or powertrain control module (PCM) malfunction

How to diagnose & fix

Work through it in order

1. Engine hesitation or stalling
2. Decreased fuel efficiency
3. Overheating of the engine
4. Illumination of the check engine light
5. Unusual noises coming from the engine area