Reverse Lamps Are Inoperative After Windshield Replacement With Diagnostic Trouble Code (DTC) B1277 – 2018-2021 Ford Expedition & Lincoln Navigator
NHTSA ID Number: 10205483 Manufacturer Communication Number: SSM 50347 Summary Some 2018-2021 Expedition/Navigator vehicles may exhibit inoperative reverse lamps with DTC B1277 stored in the body control module (BCM). The vehicle may also exhibit the auto dimming rear view mirror becoming dark as soon as the key is turned on or is inoperative. This may be due … Read more