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Pinpoint Test B : The Reversing Lamps Are On Continuously: Notes

WARNING: This page is about a different car, the 2018 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

Refer to Reversing Lamps for schematic and connector information.

Normal Operation and Fault Conditions 

REFER to: Exterior Lighting - System Operation and Component Description .

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
B1277:15 Reverse Lamp: Circuit Short To Battery or Open A continuous memory and on-demand DTC that sets when the BCM detects an open or short to voltage from the reversing lamps output circuit.

Possible Sources