Ford Mustang Mach E 2021–2023 — technical service bulletin
Bulletin SSM 51866 · NHTSA communication 10241595 · issued Aug 16, 2023
Technical service bulletin
communication type
Electrical System
component
2021–2023
model years
3
vehicle entries
Official summary
Some 2021-2023 Mustang Mach-E vehicles may exhibit an exterior charge status indicator blinking red with diagnostic trouble code (DTC) P0E5F stored in the secondary on-board diagnostic control module A (SOBDM) and the high voltage battery cannot be charged using a 48-amp AC level 2 charger. The vehicle may also exhibit in the next key cycle a Service Soon message in the instrument panel cluster (IPC) and a FordPass warning message. This may be due to an excessive charge port temperature. The concern may not be present when using a 32-amp or lower AC level 2 charger. To correct this condition,
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.