Ford Mustang Mach E 2021–2022 — technical service bulletin
Bulletin SU6 P2 MACH E · NHTSA communication 10244815 · issued Oct 26, 2023
Technical service bulletin
communication type
Electrical System
component
2021–2022
model years
2
vehicle entries
Official summary
Software Update SU6 P2 for Mach E is now available. Quality Improvments include: - Improved State of Charge accuracy during AC charging. - Updated messaging: customer is instructed to exit the vehicle when a battery hazard is detected. - NVH improvment addressing Front Drive Unit Whine whle coasting. - Charge settings updated via Ford Pass will not revert back to previous settings due to chip shortage. This change allows use of Bussed Electrical Center without the low range chip in service on vehicles in the field. - At high State of Charge, the displayed Distance to Empty will now show what t
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.