Ford Mustang Mach E 2021–2022 — technical service bulletin
Bulletin OTAPU0121-FTDIFX · NHTSA communication 10252711 · issued Mar 17, 2024
Technical service bulletin
communication type
Electrical System
component
2021–2022
model years
2
vehicle entries
Official summary
Software Update 24-OTA 24-PU0121-FTDI-FX for 2021- 2022 MY Mach E vehicles is now available. Quality Improvements include: - Add electrical back drive functionality to the latch as a robustness improvement - FordPass will remember last known profile. - Allow customers to exit during OTA update. - BCM response to deinhibit request when OTA is complete - Allows vehicle to return to sleep after detecting CAN traffic, for reduced battery drain. - Perimeter alarm duty cycle for horn and light aligned with non-US market requirements. (ECE-116) - 2021 MY corrects "Frunk Fault Service Frunk" nuisance
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.