Ford Mustang Mach E Power Train Problems
Owners have filed 116 complaints with NHTSA about power train problems on the Ford Mustang Mach E across 5 model years. The 2021 model year has the most (53). The words owners use most often: “high voltage” (32% of reports).
- 116power train complaints
- —median miles at failure
- 5mention a crash
- 1mention an injury
- 5related recalls
- 43%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- High voltage: mentioned in 37 of 116 complaints (32%)
- Junction box: mentioned in 22 of 116 complaints (19%)
- Stop safely now: mentioned in 17 of 116 complaints (15%)
- Powertrain malfunction: mentioned in 16 of 116 complaints (14%)
At what mileage do power train problems happen?
Based on 7 complaints that reported the odometer reading.
How serious are the reports?
Of 116 complaints, 5 mention a crash, 1 an injury.
Ford Mustang Mach E power train complaints by model year
| Model year | Power Train complaints | Share of that year | Median miles |
|---|---|---|---|
| 2025 Mustang Mach E | 3 | 21% | — |
| 2024 Mustang Mach E | 9 | 19% | — |
| 2023 Mustang Mach E | 23 | 18% | 1,317 |
| 2022 Mustang Mach E | 28 | 20% | 23,750 |
| 2021 Mustang Mach E | 53 | 15% | 19,500 |
When owners reported it
Related recalls (5)
Power train:driveline:differential unit
Model years: 2021, 2022, 2023
Problem: Ford Motor Company (Ford) is recalling certain 2021-2023 Mustang Mach E vehicles. The rear differential pinion shaft may fracture.
Risk: Differential pinion shaft fracture may result in a loss of drive power, or unintended vehicle movement if the vehicle is in park without the parking brake applied, increasing the risk of a crash.
Fix: Dealers will repair or replace the rear differential assembly as necessary, free of charge. Interim letters, notifying owners of the safety risk, were mailed July 13, 2026. Additional letters will be sent once the remedy is available, anticipated in late December 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 26S50.
Power train:automatic transmission:internal:park pawl
Model years: 2024, 2025, 2026
Problem: Ford Motor Company (Ford) is recalling certain 2022-2026 F-150 Lightning BEV, 2024-2026 Mustang Mach-E, and 2025-2026 Maverick vehicles. The integrated park module may fail to lock into the park position when the driver shifts into park. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 114, "Theft Protection and Rollaway Prevention."
Risk: A loss of park function can allow the vehicle to rollaway, increasing the risk of a crash.
Fix: The park module software will be updated over-the-air (OTA) or by a dealer, free of charge. Owner notification letters were mailed February 3, 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25C69. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning January 26, 2026.
Power train:automatic transmission:internal:park pawl
Model years: 2025
Problem: Ford Motor Company (Ford) is recalling certain 2025 Mustang Mach E vehicles. The park rod may fail to engage when the vehicle is placed in the park (P) position. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 114, "Theft Protection and Rollaway Prevention."
Risk: A park rod that fails to engage can result in a vehicle rollaway, increasing the risk of a crash.
Fix: Dealers will replace the transmission park rod assembly, free of charge. Owner notification letters were mailed October 3, 2025. Owners may contact Ford Customer Service at 1-866-436-7332. Ford's number for this recall is 25C25.
Power train:axle assembly:axle shaft
Model years: 2022
Problem: Ford Motor Company (Ford) is recalling certain 2022 Mustang Mach-E vehicles. The right-rear axle half shafts may have been manufactured improperly, allowing the half shaft stem to break under load.
Risk: A broken half shaft can cause a loss of drive power, or a rollaway could occur while parked if the electronic parking brake is not engaged. Either of these scenarios can increase the risk of a crash.
Fix: Dealers will inspect the serial number, and replace the right-rear half shaft, as necessary, free of charge. Owner notification letters were mailed September 19, 2022. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 22S55.
Power train:automatic transmission:control module:software; vehicle speed control
Model years: 2021
Problem: Ford Motor Company (Ford) is recalling certain 2021 Mustang Mach-E vehicles equipped with all-wheel drive. The powertrain control module (PCM) functional safety software may fail to detect a software error, resulting in unintended acceleration, unintended deceleration, or a loss of drive power.
Risk: Unintended acceleration, unintended deceleration, or a loss of drive power increases the risk of a crash.
Fix: The PCM software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed June 9, 2022. Owners may contact Ford customer service at 1-800-436-7332. Ford's number for this recall is 22S29.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
2021 model mustang Mache got a new High Voltage Battery Warning on the dashboard and asked to stop the vehicle. My car is Premium trim standard range, but other trims and extended range battery models were recalled for this exact issue earlier, but the premium trim standard range car was not…
While driving my 2024 Ford Mustang Mach-E GT in mild 49°F weather with a 95% battery state of charge, the vehicle suddenly displayed a 'Performance reduced to lower temperature' message on the dashboard. The vehicle entered a protective 'limp mode,' abruptly and unexpectedly reducing available…
I am reporting a recurring safety defect involving my 2023 Ford Mustang Mach-E Premium. The defect appears to involve the high-voltage battery system, powertrain system, and High Voltage Battery Junction Box (HVBJB). The vehicle and related components are available for inspection upon request. My…
I own a 2021 Ford Mustang Mach-E Standard Range RWD. My vehicle has experienced a high-voltage powertrain malfunction involving the high-voltage battery system/HV Battery Junction Box (HVBJB). The vehicle is currently at a Ford dealership for diagnosis and repair. What concerns me is that the same…
While accelerating on a highway on-ramp, the vehicle displayed Powertrain Malfunction/Reduced Power, a High-Voltage Battery Warning. Power was reduced while merging into traffic. The same warnings appeared at about 90,000 miles and cleared on their own. This is a Standard Range RWD Mach-E, which…
Frequently asked questions
Do all Ford Mustang Mach Es have power train problems?
No. NHTSA has 116 owner complaints about power train for the Ford Mustang Mach E. Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the Ford Mustang Mach E power train?
Yes: 5 safety recalls list power train. Check your VIN on NHTSA.gov to see whether the fix was done on your car.
What do owners say about power train problems on the Ford Mustang Mach E?
The most frequent phrase is “high voltage”, in 37 of 116 complaints, followed by “junction box” (22).
Other Ford Mustang Mach E problems
See all Ford Mustang Mach E problems.