Pinpoint Test X: An Individual Reversing Lamp Is Inoperative: Notes
WARNING: This page is about a different car, the 2013 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
Refer to OEM WIRING DIAGRAMS , Reversing Lamps for additional information.
When the Body Control Module B (BCM-B) receives a message from the PCM indicating the transmission is in reverse, the BCM-B supplies voltage to the reversing lamps.
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Rear lamp jumper harness
- BCM-B