Diagnostic Trouble Code (DTC) Clearing for GMC Truck Yukon - 4WD 2005

The rear parking assist diagnostic sequences may be cleared in one of the following ways:

Important: The sequences will not clear if the rear parking assist diagnostic connector is grounded.

1. Drive the vehicle forward at least 24 km/h (15 mph).
2. Stop the vehicle.
3. Turn the ignition OFF.

Important: The sequences will not clear if the rear parking assist diagnostic connector is grounded.

1. Turn the ignition ON.
2. Place your foot on the brake.
3. Shift the vehicle into REVERSE within 5 seconds.
4. Turn the ignition OFF.