Ford F-150 2021 — technical service bulletin
Bulletin TSB 25-2397 · NHTSA communication 11022396 · issued Aug 26, 2025
Technical service bulletin
communication type
Electrical System
component
2021
model years
2
vehicle entries
Official summary
This article supersedes TSB 22-2214 to update labor times from M-time to AP-time and add a limit. Some of the vehicles listed in the model statement above may exhibit at least one of the following conditions: - "Reverse Brake Assist Unavailable" message displayed in the instrument panel cluster (IPC) with missing active guide lines in the reverse camera display - Diagnostic trouble code (DTC) U0415:86 stored in the IPMA This may be due to a software issue with the anti-lock brake system (ABS) module.
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.