Some 2023-2026 F-Super Duty vehicles equipped with a trailer brake control module may exhibit a "Trailer...
Ford technical service bulletin SSM 54722 for 2023-2026 Ford F-250 SD, 2023-2026 Ford F-350 SD and 2023-2026 Ford F-550 SD and others.
- Bulletin number
- SSM 54722
- Component
- Unknown or other
- Summary
- Some 2023-2026 F-Super Duty vehicles equipped with a trailer brake control module may exhibit a "Trailer Disconnected" message after cycling the ignition off and back on with a trailer connected. This may be due to the presence of an integrated battery charger on a trailer equipped with electric over hydraulic brakes. If trailer functionality is restored after unplugging and plugging the trailer connector back in while the ignition is on, this condition can be corrected by downloading and performing the "Trailer Brake Configuration" application using the latest software version of the Ford Diagnosis and Repair System (FDRS) scan tool. For claiming, use causal part 19H332 and labor operations 12651D and 12651D4. Workshop Manual (WSM), Section 417-01 Exterior Lighting > Diagnosis and Testing > Trailer Lamps > Pinpoint Test G has been updated to improve diagnostics for this condition.
Vehicles covered
- Ford F-250 SD 2023-2026 2023202420252026
- Ford F-350 SD 2023-2026 2023202420252026
- Ford F-550 SD 2023-2026 2023202420252026
- Ford F-450 SD 2023-2026 2023202420252026
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