Problem with reverse light and rear red position lights (b1277:11 reverse light)

[tomosky]

Hello,

I bought a Ford EDGE 2021 Titanium AWD from the US - damaged in the left front, damaged harness in the bumper and damaged 3 relays in the upper left box.

At the moment I have a problem with an error from BCM:
b1277:11 reverse light short to ground
- Reversing lights do not work
- Red position lights in the rear lights do not work (sometimes they flash when trying to start)
- Side lights do not light up

I don't know if this is a consequence of an accident or if this failure had happened before - were there any known problems of this type in the Ford EDGE - is this a typical failure for this model year?

I dismantled the rear lights - once the left one, once the right one, to check if the lights would work if one was missing - but it didn't help. Do you have any suggestions on where I could look for the reason why these lamps are not working? What could be causing this reverse light error - because it's probably a related problem.

Thanks in advance for your help, Darek from Krakow (Poland)

 

[tomosky]

Were there any significant changes that could have affected the lighting issues?

BdyCM -
Nr części: LU5T-14B476-AAT
Poziom kalibracji: LU5T-14B476-AAT (the newest known: LU5T-14B476-ADA)
Strategia: LU5T-14C184-AAT
VIN: 2FMPK4K95NBA39941