2021 Ford Mustang Mach E electrical system problems

What owners report

• “My 2021 Ford Mustang Mach-E (142,009 miles) intermittently fails to accept a charge at public DC fast-charging stations. My husband relies on these stations because our home electrical panel cannot support a home EV charger, and he uses this vehicle daily for his work in commercial real estate…”

  filed Sep 1, 2026

• “This is the information from the Ford dealership that was looking at my vehicle, but did not complete the repair: "Verified customer concern. During diagnosis, the following on-demand DCs were retrieved from the BECM: POAA1:00, POAA4:00, and P0563:00. Following TSB 25- 2247, a High Current Fuse Box…”

  filed Aug 20, 2026

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

Related recalls

• In the event of a low battery charge, the electronic door latches may remain locked once…
  Campaign 25V404000 · Jun 13, 2025
• High voltage battery main contactors may overheat
  Campaign 25V130000 · Feb 28, 2025
• High voltage battery main contactors may overheat
  Campaign 23V687000 · Oct 13, 2023
• High voltage battery main contactors may overheat
  Campaign 22V412000 · Jun 10, 2022

Related service bulletins

• Some 2021-2026 Ford/Lincoln vehicles may exhibit various symptoms including but not limited to the auto start/stop system not operating as intended with a "Check Charging System" message in the instrument panel cluster…

  SSM 55031 · Service Bulletin/Repair Instructions · issued Jul 23, 2026

• Some 2021-2024 Ford and Lincoln vehicles may exhibit an "Updating SYNC" message on the vehicle center display screen after an over the air (OTA) update. The message can be cleared from the center display screen and SYNC…

  SSM 55028 · Service Bulletin/Repair Instructions · issued Jul 21, 2026

• Some of the vehicles listed in the model statement above equipped with SYNC4 may experience a blank center display screen or black center display after welcome animation. The rear-view camera will still function when…

  TSB 26-2297 · Service Bulletin/Repair Instructions · issued Jun 24, 2026

• Quality improvements include: - Enhanced system performance, disk usage limits and memory monitoring -Enhanced charge data monitoring

  ECG-26.2.11.4.1 MachE · Over The Air · issued May 27, 2026

Electrical System problems in other Mustang Mach E years

Other reported problem areas on the 2021 Ford Mustang Mach E