2021 Ford F-150 Electrical System Problems

Source: NHTSA · Updated Oct 10, 2026 · 130 complaints analyzed

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).

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.

Under 10k miles7 · 27%
10k–25k miles4 · 15%
25k–50k miles7 · 27%
50k–75k miles4 · 15%
75k–100k miles4 · 15%
100k–150k miles0 · 0%
150k+ miles0 · 0%

How serious are the reports?

Of 130 complaints, 1 mention a crash, 1 a fire.

Ford F-150 electrical system complaints by model year

Peak: 2013, with 324 complaints
1995: 6519951996: 561997: 1981998: 8719981999: 852000: 1912001: 13720012002: 1062003: 472004: 9920042005: 732006: 602007: 4220072008: 292009: 462010: 16620102011: 2352012: 1732013: 32420133242014: 1622015: 1762016: 18720162017: 1342018: 1722019: 10020192020: 882021: 1302022: 12520222023: 832024: 402025: 2320252026: 2

n = 3,641 complaints · Source: NHTSA

Model yearElectrical System complaintsShare of that yearMedian miles
2026 F-150217%—
2025 F-1502321%24,000
2024 F-1504021%25,000
2023 F-1508320%9,000
2022 F-15012521%20,000
2021 F-15013013%27,500
2020 F-1508812%3,500
2019 F-1501007%44,500
2018 F-1501727%26,000
2017 F-1501349%44,500
2016 F-1501879%40,000
2015 F-15017610%52,000
2014 F-15016211%65,000
2013 F-15032411%67,000
2012 F-15017310%66,500
2011 F-15023511%68,000
2010 F-15016620%59,571
2009 F-1504614%66,350
2008 F-150298%82,350
2007 F-150429%74,100
2006 F-1506010%62,000
2005 F-150737%69,750
2004 F-150995%55,000
2003 F-1504711%60,000
2002 F-15010613%88,000
2001 F-15013711%88,000
2000 F-15019118%81,143
1999 F-150858%86,000
1998 F-150876%120,000
1997 F-1501987%112,000
1996 F-1505617%100,500
1995 F-1506510%110,000

When owners reported it

Peak: 2025, with 34 complaints
2021: 132021132022: 8202282023: 232023232024: 252024252025: 342025342026: 27202627

n = 130 complaints · Source: NHTSA

Related recalls (4)

Exterior lighting:tail lights; electrical system: integrated trailer brake controlFeb 20, 2026 · NHTSA campaign 26V104000 · 4,381,878 vehicles

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 driver’s 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 controlFeb 28, 2025 · NHTSA campaign 25V132000 · 10,952 vehicles

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 lightsJun 14, 2024 · NHTSA campaign 24V443000 · 159 vehicles

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 controlMar 25, 2022 · NHTSA campaign 22V193000 · 391,836 vehicles

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…

Received Oct 8, 2026 · NHTSA complaint 11769880

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…

Received Sep 30, 2026 · NHTSA complaint 11768043

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…

Received Aug 20, 2026 · NHTSA complaint 11758129
Ford F-150
Ford F-150 (fourteenth generation) at Rutesheimer Autoschau 2025. Representative photo; appearance varies by model year. Photo: Alexander Migl, CC BY-SA 4.0, via Wikimedia Commons.

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.