Faulty Right Rear Sensor
Right Rear Sensor harness is open or shorted
Right Rear Sensor circuit poor electrical connection
Faulty Parking and Back-Up Sensor Control Unit
Engine Light ON (or Service Engine Soon Warning Light)
The Parking and Back-Up Sensor Control Unit monitors the Right Rear Sensor. The Parking and Back-Up Sensor Control Unit sets the Diagnostic Trouble Code (DTC) when there is a Right Rear Sensor failure.