Normal Operation
WARNING: This page is about a different car, the 2011 Ford Pickup, 2011 Ford F550 Super Duty, 2011 Ford F450 Super Duty, and 2011 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
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 signal return circuit on the parking aid sensor voltage supply circuit.
- 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