Ford Bronco Sport Power Train Problems
Owners have filed 308 complaints with NHTSA about power train problems on the Ford Bronco Sport across 6 model years. The 2021 model year has the most (188). The words owners use most often: “rear differential” (10% of reports).
- 308power train complaints
- —median miles at failure
- 6mention a crash
- 1mention an injury
- 4related recalls
- $10,150typical repair cost reported by owners
- 28%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.
- Rear differential: mentioned in 31 of 308 complaints (10%)
- Electrical power train: mentioned in 19 of 308 complaints (6%)
- Transmission failed: mentioned in 17 of 308 complaints (6%)
How much does it cost to fix?
Owners who wrote down what they paid or were quoted put the typical power train repair on the Ford Bronco Sport at $10,150, and half of them between $4,100 and $10,500.
Based on 12 NHTSA complaints about this problem alone that state a repair bill or quote (2024–2026), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.
At what mileage do power train problems happen?
Based on 69 complaints that reported the odometer reading.
How serious are the reports?
Of 308 complaints, 6 mention a crash, 5 a fire, 1 an injury.
Ford Bronco Sport power train complaints by model year
| Model year | Power Train complaints | Share of that year | Median miles |
|---|---|---|---|
| 2026 Bronco Sport | 1 | 13% | — |
| 2025 Bronco Sport | 7 | 18% | — |
| 2024 Bronco Sport | 22 | 20% | 18,500 |
| 2023 Bronco Sport | 20 | 13% | 25,000 |
| 2022 Bronco Sport | 70 | 19% | 38,000 |
| 2021 Bronco Sport | 188 | 27% | 54,000 |
When owners reported it
Related recalls (4)
Power train:automatic transmission:control module (tcm/pcm/tecm); electrical system:body control module/bcm
Model years: 2021, 2022, 2023, 2024
Problem: Ford Motor Company (Ford) is recalling certain 2021-2024 Bronco Sport and 2022-2023 Maverick vehicles previously repaired incorrectly under recall number 24V-267. The body and power train control modules may fail to detect a change in the 12-volt battery state of charge.
Risk: An undetected low battery charge can result in a loss of electrical accessories such as hazard lights, or cause a loss of drive power, increasing the risk of a crash.
Fix: Dealers will recalibrate the body control module and power train control module, free of charge. Owner notification letters were mailed April 23, 2025. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25S26.
Electrical system:body control module/bcm; power train:automatic transmission:control module (tcm/pcm/tecm)
Model years: 2024
Problem: Ford Motor Company (Ford) is recalling certain 2024 Bronco Sport vehicles. The body and power train control modules may fail to detect a change in the 12-volt battery state of charge.
Risk: An undetected low battery charge can result in a loss of electrical accessories such as hazard lights, or cause a loss of drive power, increasing the risk of a crash.
Fix: Dealers will update the body control module and powertrain control module software, free of charge. Owner notification letters were mailed October 23, 2024. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 24S60. Vehicles in this recall that were previously recalled for the same issue under 24V-267 will need to have the new remedy performed.
Electrical system:body control module/bcm; power train:automatic transmission:control module (tcm/pcm/tecm)
Model years: 2021, 2022, 2023, 2024
Problem: Ford Motor Company (Ford) is recalling certain 2021-2024 Bronco Sport and 2022-2023 Maverick vehicles. The body and power train control modules may fail to detect a change in the 12-volt battery state of charge.
Risk: An undetected low battery charge can result in a loss of electrical accessories such as hazard lights, or cause a loss of drive power, increasing the risk of a crash.
Fix: Dealers will recalibrate the body control module and power train control module, free of charge. Owner notification letters were mailed on June 4, 2024. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 24S24.
Power train:driveline:driveshaft
Model years: 2021
Problem: Ford Motor Company (Ford) is recalling certain 2020-2021 Edge, 2020 Lincoln Nautilus and Ford Escape and 2021 Lincoln Corsair and Ford Bronco Sport vehicles. An inadequate amount of lubricant in the rear drive unit may cause seizure of the rear drive axle.
Risk: If the rear drive unit seizes, there may be a loss of drive and/or a loss of vehicle control, increasing the risk of a crash.
Fix: Ford will notify owners, and dealers will check the rear drive unit lubricant level. Axles found to have lubricant at the minimum level will be filled to the full level. Axles found to be below the minimum lubricant fill level will be replaced, free of charge. This recall began March 12, 2021. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 21S02.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
The rear drive unit (RDU) deteriorated at 78k miles. I began to notice a shudder during low-speed turns with high steering angle. Upon inspection, metallic flakes were discovered in the RDUâs fluid, apparently indicating mechanical degradation of the internal clutch packs. Two separate Ford…
I have a 2021 Bronco Sport 55,000 miles. I have taken my vehicle to the dealer for all maintenance, repairs and advice. My boyfriend mentioned my RPMs are bouncing and they should not. I scheduled at the dealer anticipating a sensor. I learned from the dealer my vehicle requires a new transmission…
The contact owns a 2022 Ford Bronco Sport. The contact stated that while driving at approximately 35 MPH, the vehicle failed to accelerate and lost motive power. The vehicle was towed to the dealer for inspection. The contact stated that the failure was related to the powertrain control module…
Stripped differential. I was told by a service tech that the vehicle is safe to drive until it isnât that Ford is aware but does not have a fix. It is available for inspection. The vehicle is getting worse, and I only drive short distances. Olathe Ford did the inspection. They will not give me a…
On Sunday XXX I left my property at [XXX] and at the first stop sign, I braked but the vehicle accelerated causing me to jam the breaks and the engine immediately died. After restarting, and in drive at the stop sign, the vehicle accelerated on its own with my foot on the break, I jammed the breaks…
Frequently asked questions
Do all Ford Bronco Sports have power train problems?
No. NHTSA has 308 owner complaints about power train for the Ford Bronco Sport. Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the Ford Bronco Sport power train?
Yes: 4 safety recalls list power train. Check your VIN on NHTSA.gov to see whether the fix was done on your car.
How much does it cost to fix power train problems on the Ford Bronco Sport?
Owners report a typical cost of $10,150 (half paid between $4,100 and $10,500), from 12 complaints that state a repair bill or quote, in 2026 dollars.
What do owners say about power train problems on the Ford Bronco Sport?
The most frequent phrase is “rear differential”, in 31 of 308 complaints, followed by “electrical power train” (19).
Other Ford Bronco Sport problems
See all Ford Bronco Sport problems.