2021 Ford F-150 Electrical System Problems
Owners have filed 130 complaints with NHTSA about electrical system problems on the 2021 Ford F-150, 13% of all complaints for this model year. Half of the reports with a mileage happened before 27,500 miles. The words owners use most often: “trailer brake” (8% of reports).
- 130electrical system complaints
- 27,500median miles at failure
- 1mention a crash
- 0mention an injury
- 4related recalls
- 37%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.
- Trailer brake: mentioned in 10 of 130 complaints (8%)
At what mileage do electrical system problems happen?
Based on 26 complaints that reported the odometer reading.
How serious are the reports?
Of 130 complaints, 1 mention a crash, 1 a fire.
Ford F-150 electrical system complaints by model year
| Model year | Electrical System complaints | Share of that year | Median miles |
|---|---|---|---|
| 2026 F-150 | 2 | 17% | — |
| 2025 F-150 | 23 | 21% | 24,000 |
| 2024 F-150 | 40 | 21% | 25,000 |
| 2023 F-150 | 83 | 20% | 9,000 |
| 2022 F-150 | 125 | 21% | 20,000 |
| 2021 F-150 | 130 | 13% | 27,500 |
| 2020 F-150 | 88 | 12% | 3,500 |
| 2019 F-150 | 100 | 7% | 44,500 |
| 2018 F-150 | 172 | 7% | 26,000 |
| 2017 F-150 | 134 | 9% | 44,500 |
| 2016 F-150 | 187 | 9% | 40,000 |
| 2015 F-150 | 176 | 10% | 52,000 |
| 2014 F-150 | 162 | 11% | 65,000 |
| 2013 F-150 | 324 | 11% | 67,000 |
| 2012 F-150 | 173 | 10% | 66,500 |
| 2011 F-150 | 235 | 11% | 68,000 |
| 2010 F-150 | 166 | 20% | 59,571 |
| 2009 F-150 | 46 | 14% | 66,350 |
| 2008 F-150 | 29 | 8% | 82,350 |
| 2007 F-150 | 42 | 9% | 74,100 |
| 2006 F-150 | 60 | 10% | 62,000 |
| 2005 F-150 | 73 | 7% | 69,750 |
| 2004 F-150 | 99 | 5% | 55,000 |
| 2003 F-150 | 47 | 11% | 60,000 |
| 2002 F-150 | 106 | 13% | 88,000 |
| 2001 F-150 | 137 | 11% | 88,000 |
| 2000 F-150 | 191 | 18% | 81,143 |
| 1999 F-150 | 85 | 8% | 86,000 |
| 1998 F-150 | 87 | 6% | 120,000 |
| 1997 F-150 | 198 | 7% | 112,000 |
| 1996 F-150 | 56 | 17% | 100,500 |
| 1995 F-150 | 65 | 10% | 110,000 |
When owners reported it
Related recalls (4)
Exterior lighting:tail lights; electrical system: integrated trailer brake control
Problem: Ford Motor Company (Ford) is recalling certain 2021-2026 F-150, 2022-2026 F-250 SD, F-350 SD, F-450 SD, F-550 SD, Maverick, 2024-2026 Ranger, 2023-2026 F-600 SD, 2022-2027 Lincoln Navigator, Expedition, and 2026 E-Transit vehicles. When towing a trailer, the integrated trailer module (ITRM) may lose communication with the vehicle, possibly causing a loss of brake and turn signal lights, or a loss of brake function. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, " Lamps, Reflective Devices, and Associated Equipment."
Risk: Trailer lights or brakes that do not function can reduce the driverâs ability to control the trailer and decrease the trailers visibility to other road users, increasing the risk of a crash.
Fix: The integrated trailer module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed March 25, 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 26C10. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning March 17, 2026.
Electrical system: integrated trailer brake control
Problem: Ford Motor Company (Ford) is recalling certain 2021-2022 F-150, 2022 Maverick, Expedition, Lincoln Navigator, F-250, F-350, F-450, and F-550 vehicles previously repaired incorrectly under recall number 22V-193. Due to a software error, a towed trailer equipped with an electric or electric-over hydraulic brake system may not brake.
Risk: Loss of trailer brake functionality can extend the distance required to stop, increasing the risk of a crash.
Fix: Dealers will update the integrated trailer brake control module software, free of charge. Owner notification letters were mailed April 11, 2025. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25S18.
Electrical system:body control module:software; exterior lighting:back up lights
Problem: Ford Motor Company (Ford) is recalling certain 2021 F-150 vehicles equipped with the Onboard Scales feature. An over-the-air software update to the body control module (BCM) may have disabled both reverse lights.
Risk: Disabled reverse lights cannot alert others that the vehicle is reversing, increasing the risk of a crash.
Fix: Dealers will update the body control module software, free of charge. Owner notification letters are were mailed June 26, 2024. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 24S38.
Electrical system: integrated trailer brake control
Problem: Ford Motor Company (Ford) is recalling certain 2021-2022 F-150, 2022 Maverick, Expedition, Lincoln Navigator, F-250, F-350, F-450, and F-550 vehicles. Due to a software error, a towed trailer equipped with an electric or electric-over hydraulic brake system may not brake.
Risk: Loss of trailer brake functionality could result in extended stopping distance, increasing the risk of a crash.
Fix: Dealers will update the integrated trailer brake control module software, free of charge. Owner notification letters were mailed April 22, 2022. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 22S17.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
While driving truck, it had an electrical fritz that caused the car to become undrivable, with systems not responding. when stopped to power cycle, the car would accessory on but not attempt to start. the horn would go off randomly. was able to manually put the truck into neutral and push into a…
This vehicle was purchased new. It currently has about 56000 miles. Over time there have been numerous incidents where the battery was suddenly dead. The dealer repeatedly replaced the battery with out addressing the cause. This was done under warranty until recently when there was a charge of…
Due to a dangerous design flaw in the 2021 Ford F150, I was put in a potentially dangerous situation by completely losing all power in the vehicle on a backroad. Design flaw is the DCN module, which floods into the vehicles electrical system/body of vehicle through the cowel drain that can…

Frequently asked questions
Do all 2021 Ford F-150s have electrical system problems?
No. NHTSA has 130 owner complaints about electrical system for the 2021 Ford F-150 (13% of the 1,028 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2021 Ford F-150 electrical system?
Yes: 4 safety recalls list electrical system. Check your VIN on NHTSA.gov to see whether the fix was done on your car.
At what mileage do electrical system problems start?
The median reported mileage is 27,500 miles: half of the reports with a mileage came before that.
What do owners say about electrical system problems on the 2021 Ford F-150?
The most frequent phrase is “trailer brake”, in 10 of 130 complaints.
Other 2021 Ford F-150 problems
See all 2021 Ford F-150 problems or electrical system problems across all F-150 years.