Ford Mustang Mach E 2021 — technical service bulletin
Bulletin 21B61 · NHTSA communication 10213729 · issued Jun 6, 2022
Technical service bulletin
communication type
Electrical System
component
2021
model years
1
vehicle entries
Official summary
Certain 2021 Model Year Mach-E Vehicles - Long Regen Stop Safely Now. In some of the affected vehicles, loss of propulsion during extended downhill drives may occur. This condition only occurs in drive cycles that consist of mostly downhill driving for an extended period of time.
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.