Ford Mustang Mach E 2021–2022 — technical service bulletin
Bulletin ECG-26.2.11.4 MachE · NHTSA communication 11032939 · issued May 12, 2026
Technical service bulletin
communication type
Electrical System
component
2021–2022
model years
2
vehicle entries
Official summary
Quality improvements include: - Enhanced system performance, disk usage limits and memory monitoring -Enhanced charge data monitoring
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.