Sierra 2500 Denali 2WD V8-6.0L (2011)
Parking Assist Distance Sensor: Service and Repair
Rear Parking Assist Alarm Sensor Replacement
Rear Parking Assist Alarm Sensor Replacement
Removal Procedure
1. Disconnect electrical from the rear object sensor.
Note: The rear object sensor is a one piece design. Do NOT twist the sensor cap to try and remove the painted cap. Replacement sensor requires
painting to match fascia/bumper body color.
2. Lift the locking tabs on the housing and remove the rear object sensor.
Installation Procedure
Note: Do not refinish previously painted sensors. Excess paint build up will cause the sensor to be inoperative.
1. Paint the rear object sensor. Refer to Basecoat/Clearcoat Paint Systems ().
2. Ensure the paint does not exceed 6 mils. Use a paint thickness gauge suitable for non-ferrous metals. Refer to Paint Gauges ().