Trailer Lamp Fault With Various DTCs – 2021-2023 Ford & Lincoln
NHTSA ID Number: 10236029 Manufacturer Communication Number: SSM 51601 Summary Some 2021-2023 F-150 and 2022-2023 F-Super Duty/Expedition/Navigator/Maverick vehicles equipped with an integrated trailer module (iTRM) may exhibit a trailer lamp fault message with various related diagnostic trouble codes (DTC). Most trailer emulator testers will not draw enough current to correctly diagnose these concerns. They may be used … Read more