Ford Mustang Mach E 2021–2023 — technical service bulletin
Bulletin 23OTASU4P2MACHE · NHTSA communication 10237459 · issued May 26, 2023
Technical service bulletin
communication type
Back Over Prevention
component
2021–2023
model years
3
vehicle entries
Official summary
Software Update 4 P2 for 2021- 2023 Model Year Mach E vehicles is now available. Quality improvements include: Remove Reverse Brake Assist unavailable warning Remove Beltminder Tollbooth Mode Remove incorrect frunk service now pop- up. Improves hood ajar warnings/ chimes. New thermal parameters added for increased powertrain component protection. Ford Pass Charge settings - will not revert back to previous settings.
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.