Ford Mustang Mach E 2021–2023 — technical service bulletin
Bulletin SSM 51705 · NHTSA communication 10237965 · issued Jun 13, 2023
Technical service bulletin
communication type
Power Train
component
2021–2023
model years
5
vehicle entries
Official summary
Some 2021-2023 Mustang Mach-E and 2022-2023 E-Transit vehicles may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble codes (DTC) P0ADA, P0ADE, P0AA1, and/or P0AA4 stored in the battery energy control module (BECM) after high voltage battery junction box (HVBJB) replacement. Vehicle may also exhibit reduced powertrain performance and/or a Stop Safely Now message displayed in the instrument panel cluster (IPC) and/or High-Voltage Battery Warning message in the FordPass application. This may be due to the BECM software. To correct the condition, download and
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.