Ford F-150 2021–2024 — technical service bulletin
Bulletin SSM 52719 · NHTSA communication 11005744 · issued Jul 12, 2024
Technical service bulletin
communication type
Unknown OR Other
component
2021–2024
model years
4
vehicle entries
Official summary
Some 2021-2023 F-150 vehicles and 2024 F-150 Lightning vehicles may exhibit modules on the high-speed controller area network 2 (HS-CAN2), high-speed controller area network 3 (HS-CAN3), high-speed controller area network 4 (HS-CAN4) and/or the medium-speed controller area networks (MS-CAN) not responding to the Ford Diagnosis and Repair System (FDRS) and the modules on these networks fail the network test without any diagnostic trouble codes (DTCs) tied to the affected modules. The modules on the flexible data rate controller area network 2 (FD-CAN1) and the high-speed controller area network
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.