Ford Mustang Mach E 2021 — technical service bulletin
Bulletin 21P22-S1 · NHTSA communication 10209373 · issued Mar 28, 2022
Technical service bulletin
communication type
Equipment
component
2021
model years
1
vehicle entries
Official summary
Certain 2021 Model Year Mustang Mach-E Vehicles Software Calibration Update: In the interest of customer satisfaction, we are enabling dealers to apply select software updates that will be available via future over-the-air (Power Up) updates. The customer satisfaction updates include actions addressing downhill system fault, no start, handling performance, enhanced ability for multi-modal over the air updates, improved range in cold weather, DC fast charge total time improvements, display range accuracy, e-latch door robustness, and phone as a key detection.
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.