2021 Ford Mustang Mach E Electrical Problems

Which parts fail

• Propulsion system › Charging › Cable/cord › Accessory
  2
• Propulsion system › Traction battery › Management system/energy control module (BMS/becm)
  1
• Instrument panel › Speedometer/odometer
  1
• Instrument panel › Speedometer/odometer › Sensor/sending unit
  1
• Body control module/BCM
  1
• 12V/24V/48V battery
  1

Components named in complaints (battery, alternator, wiring, ignition, instrument cluster, infotainment).

Mileage when the problem started

• Under 25k
  741%
• 25k–50k
  635%
• 50k–75k
  424%
• 75k–100k
  00%
• 100k–150k
  00%
• 150k+
  00%

Owner reports

Selected complaints filed with NHTSA by 2021 Ford Mustang Mach E owners, lightly cleaned up (personal details are redacted by NHTSA).

The contact owns a 2021 Ford Mustang Mach-E. The contact received notification of NHTSA Campaign Number: 21V711000 (Visibility) and 22V412000 (Electrical System) however, the parts to do the recall repairs were unavailable. The contact stated while driving 60 MPH, he received a warning from the manufacturer app of a high voltage spike and that the vehicle would shut down. The contact exited the highway and pulled into a parking lot where the vehicle shut down. The contact could not restart the vehicle. The contact stated that there was no warning light illuminated. The contact had the vehicle towed to a dealer however, the vehicle was not diagnosed. The mechanic was able to restart the vehicle. The mechanic was unable to duplicate the failure. The contact drove the vehicle to his residence; however, the high voltage spike failure recurred. …

The contact owns a 2021 Mustang Mach-E. The contact attempted to start the vehicle; however, the vehicle failed to start. The contact stated that there was no power to the vehicle. The following day, the contact attempted to enter the vehicle and was locked out. The contact was unable to open any of the doors. The contact was able to raise the hood and the trunk. The contact was unable to jumpstart the vehicle, but heard a clicking sound when the jumper cables were connected. The contact observed a spark from the negative terminal. The contact removed the 12-Volt battery and brought it to a local dealer to be tested. The contact was informed that the battery was in good working condition. The contact had the vehicle towed to a local dealer however, the vehicle was not diagnosed or repaired. …

The contact owns a 2021 Ford Mustang Mach-E. The contact stated that the vehicle failed to start. The contact stated that "Stop Safely Now" and "Accessory Power Active" messages were displayed. The contact exited the vehicle and upon attempting to unlock the doors, the doors failed to unlock. The contact was unable to unlock the vehicle for several hours and remained stranded on the side of the road while awaiting assistance from Roadside Assistance. The vehicle was towed to the dealer where the battery was replaced and an unknown software update was completed; however, the failure recurred. The contact later received notification of NHTSA Campaign Number: 22V412000 (Electrical System) however, the part to do the recall repair was not yet available. Airport Marina Ford (5880 W Centinela Ave, Los Angeles, CA 90045) was also contacted. The vehicle was not repaired. …

The contact owns a 2021 Ford Mustang Mach E. The contact received notification of NHTSA Campaign Number: 25V404000 (Electrical System, Latches/Locks/Linkages); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated that his wife parked and turned off the vehicle; however, while attempting to exit the vehicle, his wife was locked inside the vehicle. The contact quickly searched for how to unlock the vehicle. The contact pushed the exterior door lock twice, and his wife was able to unlock and exit the vehicle. The contact called Ford Assistance Service, and the vehicle was jump-started and the vehicle was driven to the dealer. The dealer diagnosed the vehicle with battery failure. The contact was informed that the battery needed to be replaced. …

The contact owns a 2021 Ford Mustang Mach-E. The contact stated that while her mom was driving, the vehicle accelerated without warning. The electrical system was inoperable. While the contact was driving at low speed in a parking lot approaching a stop sign, the vehicle accelerated. The brake pedal was applied but the vehicle continued to drive and crashed into a Toyota 4 Runner. The air bag deployed and impacted the driver in the face and she sustained knee injuries and cuts on her stomach and blood in her stool. A police report was filed. There were no reported fires. The vehicle was towed to an independent collision center. The vehicle was taken previously to the local dealer where the hardware was updated and a reboot was completed. The vehicle was repaired but the failure persisted. The manufacturer was not contacted. The failure mileage was unknown. The VIN was not available.

The contact owns a 2021 Ford Mustang March E. The contact stated while driving at various speeds the message "Power Train Failure, Unsafe to Drive" was displayed and the speed was reduced to 55 MPH. The vehicle was taken to the local dealer who diagnosed that the high-voltage battery junction box and PCM were faulty and needed to be replaced. The vehicle was not yet repaired. The contact stated that the vehicle was previously serviced for the same failure on two separate occasions. The manufacturer was notified of the failure, but no assistance was provided. The contact was informed that the VIN was not included in NHTSA Campaign Number: 23V687000 (Electrical System). The contact stated that the vehicle had experienced the failure listed in the recall. The failure mileage was 12,000.

The contact owns a 2021 Ford Mustang Mach-E. The contact stated that the safety system occasionally became inoperable. The contact stated that the cable wires were damaged and caused the dropping of the camera after traveling over a bump in the roadway, and the safety features were not available. The camera dropped five to six times per hour. The blue cruise became inoperable, and the driver assistance was inoperable. The vehicle began to pull to the side of the road. There was no audible chime detected. There was an unknown warning light illuminated. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was contacted but declined to repair the vehicle under warranty. The failure mileage was approximately 34,000.

The contact owns a 2021 Ford Mustang Mach-E. The contact stated that upon starting the vehicle, the "Stop Safely Now" message was displayed. There was a RED warning light illuminated. While the vehicle was being charged, the Ford app showed a charge fault error. The vehicle was undriveable. While using a diagnostic tool, it showed there was a failure with the BCM and DTC: P0AA2 and P0D10 were retrieved. The contact stated that the failure was related to NHTSA Campaign Number: 22V412000 (Electrical System); however, the VIN was not included. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was contacted, opened a case, and referred the contact to the NHTSA Hotline. The failure mileage was 19,000.

The contact owns a 2021 Ford Mustang Mach-E. The contact stated while driving 60 MPH, the messages "Power Train Malfunction - Reduced Power", "High Voltage Battery Warning", and another message to "Stop the vehicle as soon as possible because the vehicle may shut down without further warning" were displayed. The contact was able to pull to the side of the road. The contact was able to restart the vehicle and continued driving at 35 MPH. The vehicle was taken to the dealer but was not yet diagnosed or repaired. The contact related the failure to NHTSA Campaign Number: 23V687000 (Electrical System); however, the VIN was not included. The manufacturer was notified of the failure. The failure mileage was approximately 41,000.

The contact owns a 2021 Ford Mustang Mach-E. The contact received notification of NHTSA Campaign Number: 23V687000 (Electrical System) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the repair the recall. The contact was unable to start the vehicle. No warning lights illuminated. The vehicle was taken to the dealer however, the dealer was not able to do the repair the vehicle. The dealer confirmed that parts were not yet available. The manufacturer was contacted and was unable to confirm when the parts would be available. The approximate failure mileage was 30,696. VIN tool confirms parts not available.

Related recalls

NHTSA investigations

Electrical complaints in other Mustang Mach E years