2017-10-10
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.
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
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