Ford F-150 2021–2022 — technical service bulletin
Bulletin TSB 22-2084 · NHTSA communication 10209034 · issued Mar 8, 2022
Technical service bulletin
communication type
Electrical System
component
2021–2022
model years
2
vehicle entries
Official summary
Some 2021-2022 F-150 vehicles built on or before 22-Feb-2022 may experience a false alarm activation event with a trailer connected. A Security System Detected A Trailer Disconnect message may also display in the FordPass app. This may be due to various software parameters in the trailer module (TRM). To correct the condition, follow the Service Procedure to reprogram the TRM, driver door module (DDM) and the passenger door module (PDM).
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.