Ford F-150 2021–2022 — technical service bulletin
Bulletin SSM 51546 · NHTSA communication 10234586 · issued Apr 12, 2023
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 03-Feb-2022 may intermittently exhibit doors unable to lock/unlock and/or difficult to open in freezing temperatures. This may be due to moisture from rain/snow entering the interior door latch lock indicator cable assembly. An updated interior door handle cable and door latch lock indicator cable assembly (front right side-15221A00 / front left side-15221A01; rear right side 1640180 / rear left side-1640181) has been released to prevent moisture intrusion. If this condition is experienced, the interior door handle cable and door latch lock indi
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.