Normal Operation

For rear parking aid system, the Parking Aid Module (PAM) supplies a reference voltage and signal return to the parking aid sensors. A fault condition occurs when the PAM detects a short to ground or short to signal return circuit on the parking aid sensor voltage supply circuit for the front or the rear parking aid sensors.

• DTC B1B58:11 (Rear Sensors Power Circuit: Circuit Short To Ground) - sets when the sensor voltage supply circuit is shorted to ground or to the signal return circuit.

This pinpoint test is intended to diagnose the following: 

• Wiring, terminals or connectors
• Parking aid sensor(s)
• Parking aid bumper harness
• PAM