Ford Mustang Mach-E Transmission / powertrain problems
93 of the 650 complaints about the Ford Mustang Mach-E (14.3%) concern Transmission / powertrain, making it the model's second-largest problem area. That share is 1.2× the Transmission / powertrain share across all tracked vehicles.
Analysis
By model year, Transmission / powertrain complaints peak with the 2021 model (43, 12% of that year's complaints) and are lowest for the 2025 model (3). 18 Transmission / powertrain complaints were filed in the last 12 months versus 13 in the 12 months before — the pace is rising.
Owners most often describe: “junction box”, “high voltage”, “battery junction”, “hvbjb” and “mach”. 4 of these reports (4.3%) describe a crash or fire, with 2 injuries and 0 deaths mentioned.
No recall campaign addresses Transmission / powertrain for the tracked model years.
By model year
When complaints were filed
Last 12 months: 18 · Previous 12 months: 13
Common terms in reports
- junction box18
- high voltage23
- battery junction14
- hvbjb14
- mach14
- voltage battery16
What owners report
Vehicle shutdown while driving causing total power loss and hitting a parked vehicle. No alerts or notifications were present at the time.
On 5/14/2025 at aprox 5:35pm I was completely stopped in traffic when all of a sudden my car started to accelerate without me pressing on the accelerator.
My 2021 Ford Mustang Mach-E suffered a total loss of motive power on the road, throwing code P0D10:00:AF for a stuck-open high-voltage contactor. This is the exact failure mode of Safety Recall 23S56.
The contact owns a 2022 Ford Mustang Mach-E. The contact stated that while driving at an undisclosed speed, the vehicle became inoperable and the vehicle stalled, and the gear shifter was inoperable.
On 6/4, I completed a long road trip of over 650 miles. When I got back into my vehicle to move it to where it would be parked for the night, it displayed messages for a Powertrain Malfunction/Reduced Power and a High Voltage Battery Warning.
While I was driving the brakes did not work. I had to slam on the brakes in order to stop the car. The back portion of the car then skid. The following warnings were sent to the phone and appeared on the dashboard as well.
Excerpts from complaints filed with NHTSA, trimmed for length. The ODI number is NHTSA's record identifier.
Related recalls
No recall campaign addresses Transmission / powertrain for the tracked model years.
Problem areas · Ford Mustang Mach-E
Ford Mustang Mach-E problems, complaints & recalls by model year ›
Related reading
- Transmission problems explained: shudder, harsh shifts, CVTs and what to test on a driveHow the main automatic transmission types fail, why some designs generate far more owner complaints than others, and a practical test-drive checklist built from what owners report.
Frequently asked questions
How common are Transmission / powertrain problems on the Ford Mustang Mach-E?
93 of the 650 complaints about the Ford Mustang Mach-E (14.3%) concern Transmission / powertrain, making it the model's second-largest problem area. That share is 1.2× the Transmission / powertrain share across all tracked vehicles.
Which Ford Mustang Mach-E model years have the most Transmission / powertrain complaints?
By model year, Transmission / powertrain complaints peak with the 2021 model (43, 12% of that year's complaints) and are lowest for the 2025 model (3).
Is there a recall for Ford Mustang Mach-E Transmission / powertrain problems?
No recall campaign addresses Transmission / powertrain for the tracked model years.