Ford Transit 2024 — technical service bulletin
Bulletin 25B31 · NHTSA communication 11021214 · issued Jul 2, 2025
Technical service bulletin
communication type
Electrical System
component
2024
model years
1
vehicle entries
Official summary
Certain 2024 Model Year Transit Electric Vehicles High Voltage Battery Array Inspection and Replacement On the affected vehicles, incomplete sealing of a cell in the high voltage battery may have occurred during the manufacturing process. Incomplete sealing of a high voltage battery cell may lead to an electrolyte leak, resulting in an isolation fault or low battery module voltage condition. Initially, the operator may observe a wrench light and will not experience any change to drivability. Over time, the condition may progress to a no-start condition, or reduced power with wrench and turtle
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.