Ford Transit 2021–2023 — technical service bulletin
Bulletin SSM 51563 · NHTSA communication 10235078 · issued Apr 19, 2023
Technical service bulletin
communication type
Electrical System
component
2021–2023
model years
4
vehicle entries
Official summary
Some 2021-2023 Transit, 2022-2023 E-Transit vehicles built on or before 17-feb-2023 may exhibit an uncommanded/erratic wipers and/or washer operation. It may also exhibit diagnostic trouble code (DTC) B1131, an inoperative left headlamp, and/or inoperative horn. This may be due to a poor connection at ground G110 in the left side of the engine compartment. To correct the condition, inspect ground G110 and verify eyelet anti-rotational tab is properly located and ground fastener is properly secured. Refer to Wiring Diagram, Cell 010. For claiming, use causal part 14401 and M-Time.
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.