Turn Signals Flash Fast After Flat Bed Upfits – 2020 Ford F-Super Duty
NHTSA ID Number: 10174424 Manufacturer Communication Number: SSM 48777 Summary Some 2020 F-Super Duty vehicles may exhibit a condition where the turn signals flash fast after removal of the factory pick up box and tail lamps for flatbed installation. To prevent the turn signals from flashing fast, the BCM will need to be configured using the …