P05A2
Active Grille Air Shutter A Control Circuit/Open
Generic OBD-II
Common symptoms
What you'll notice
- Check the wiring connections of the active grille air shutter control circuit.
- Inspect the active grille air shutter control module for any damage or malfunction.
- Ensure that the active grille air shutter actuator is functioning properly.
- Verify that there are no obstructions or debris blocking the grille air shutter.
- If all else fails, consider replacing the active grille air shutter control circuit.
Common causes
Most likely first
- Faulty active grille air shutter control module
- Open or short circuit in the wiring harness of the active grille air shutter A control circuit
- Malfunctioning active grille air shutter actuator
- Disconnected or loose connectors in the active grille air shutter circuit
How to diagnose & fix
Work through it in order
- Engine struggles to reach or maintain proper operating temperature
- Reduced fuel efficiency or MPG
- Overheating of the engine during extended periods of idling or slow driving
- Engine may fail to start or have difficulty starting
- Malfunction indicator lamp (MIL) or check engine light illuminated on the dashboard
Read & clear P05A2 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.