What is the 2021-2024 Ford Bronco Sport 1.5L EcoBoost 3-Cylinder Coolant Loss and Engine Failure?

The 1.5L EcoBoost 3-cylinder engine in 2021-2024 Ford Bronco Sport is the latest variant of Ford's troubled EcoBoost coolant intrusion problem. The open-deck block design allows coolant to leak internally into the cylinders, causing misfires, white exhaust smoke, and complete eng… Repairs typically run $0-$7,500. Severity: high.

What is the 2021-2024 Ford Bronco Sport 1.5L EcoBoost Turbocharger Wastegate Actuator Seizure Causing P0299 and Limp Mode?

Owners of 1.5L three-cylinder Bronco Sports report turbocharger failures that begin with a seized or binding wastegate actuator rod (in some cases a missing actuator e-clip). Because the actuator can no longer regulate boost, the vehicle throws P0299 (underboost) and drops into l… Repairs typically run $2,200-$4,500. Severity: high.

What is the 2021-2026 Ford Bronco Sport Front Lower Control Arm Ball Joint Separation - Do Not Drive Recall?

Ford issued a 'Do Not Drive' safety recall for about 4,653 vehicles (roughly 2,296 of them 2021-2026 Bronco Sports) because the front lower control arm ball stud may not have been fully inserted into the front wheel knuckle (pinch bolt secured before full engagement) at the Hermo… Severity: high.

What is the 2021-2025 Ford Bronco Sport 1.5L EcoBoost 3-Cylinder Engine Issues — Oil Dilution + Oil Separator + Fuel Injector (Recalls 22S21 + Injector)?

2021-2025 Ford Bronco Sport with the 1.5L EcoBoost 3-cylinder engine has three overlapping documented issues: (1) Oil separator housing cracking — NHTSA recall 22S21 covers 345,451 vehicles (2020-2022 Escape + 2021-2022 Bronco Sport) for cracked oil separator housings causing oil… Repairs typically run $50-$300. Severity: medium.

What is the 2021-2024 Ford Bronco Sport Rear Drive Unit (RDU) Chatter and Shudder During Low-Speed Turns - AWD Models?

AWD-equipped 2021-2024 Ford Bronco Sport models exhibit rear drive unit (RDU) chatter and shudder during low-speed turning maneuvers, particularly when backing up and turning sharply. The issue is caused by fluid contamination in the rear drive unit's limited-slip clutch pack. Fo… Repairs typically run $0-$1,800. Severity: medium.

What is the 2021-2024 Ford Bronco Sport SYNC 3 Software Instability - Black Screen, Lost Settings, and Blank Backup Camera (Recall 25S72 / NHTSA 25V442 + CSP 24B47)?

A defect in the SYNC 3 infotainment software (APIM module) on 2021-2024 Bronco Sport vehicles causes system instability. Symptoms include the display intermittently going black, failure to retain settings across ignition cycles (reverted language, erased radio presets), and inabi… Severity: medium.

What is the 2021-2022 Ford Bronco Sport 8F35 8-Speed Transmission Slip When Hot and P0766 Solenoid Fault?

The 8F35 8-speed automatic in 2021-2022 Bronco Sport is documented in Ford bulletins to slip during acceleration from a stop when the transmission is hot, and to set DTC P0766 (shift solenoid D performance) with an illuminated MIL. TSB 21-2268 explicitly names the 2021 Bronco Spo… Severity: medium.

What is the 2021-2025 Ford Bronco Sport Panoramic Sunroof Drain Tube Clog Causing Interior Leak?

Bronco Sports with the panoramic sunroof experience water leaks into the cabin due to clogged drain tubes. Leaves, pollen, and debris collect in the sunroof tray and block the four drain tubes that run through the pillars to exit points near the wheel wells. When blocked, water o… Repairs typically run $0-$500. Severity: medium.

What is the 2021-2025 Ford Bronco Sport Transmission Hesitation and Delayed Engagement From Stop?

The 8-speed automatic transmission in the Bronco Sport exhibits a noticeable delay when pulling away from a stop, particularly when the vehicle has been idling for a few seconds. The driver presses the accelerator and the engine revs but the vehicle does not move for 1-2 seconds… Repairs typically run $0-$2,000. Severity: medium.

What is the 2021-2025 Ford Bronco Sport Rear Differential Overheating (Badlands AWD)?

The Bronco Sport Badlands and other AWD models with the twin-clutch rear drive unit can overheat during sustained off-road use, towing, or spirited driving. When the rear differential fluid overheats, the system disengages the rear axle to protect the clutch pack, leaving the veh… Repairs typically run $0-$1,500. Severity: medium.

What is the 2021-2024 Ford Bronco Sport Liftgate Passive Entry (Intelligent Access) Inoperative While Flip-Up Glass Still Works?

A recurring and very specific electrical fault: the exterior liftgate release button stops responding to the key fob's proximity, so the gate will not open by hand even though the fob is in the owner's pocket - while the separate flip-up rear glass release keeps working normally. Repairs typically run $0-$600. Severity: low.

What is the 2021-2025 Ford Bronco Sport Windshield Stress Cracking Without Impact?

Bronco Sport windshields develop stress cracks without any apparent rock chip or impact. Cracks typically start from the edges or corners of the windshield and propagate across. The issue is attributed to body flex in the unibody structure, windshield mounting stress, and the ste… Repairs typically run $300-$900. Severity: low.

Ford · Known Issues

2021 Ford Bronco Sport Problems: 15 Known Issues

2021 model year · 458,080+ owner reports · Updated August 2026

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According to Au7o's analysis of 458,080+ owner reports, the 2021 Ford Bronco Sport has 15 documented known issues, with 6 rated critical. The most serious are Loss of Drive Power Due to 12V Battery Detection Failure (Recall 24S24 / NHTSA 24V267) ($0-$0 repair), 1.5L EcoBoost 3-Cylinder Coolant Loss and Engine Failure ($0-$7,500 repair), 1.5L EcoBoost Turbocharger Wastegate Actuator Seizure Causing P0299 and Limp Mode ($2,200-$4,500 repair), Belt-Driven Water Pump Seal Failure Soaking and Shredding the Serpentine Belt (1.5L EcoBoost) ($800-$1,700 repair), Front Lower Control Arm Ball Joint Separation - Do Not Drive Recall and Recall 21S02: Insufficient Rear Drive Unit Lubricant Can Seize the Rear Axle (2021 Bronco Sport). The most commonly reported issue is Loss of Drive Power Due to 12V Battery Detection Failure (Recall 24S24 / NHTSA 24V267) with 456,000 owner reports. Across all issues with published estimates, repair costs range from $50 to $7,500. DIY maintenance guides at .

Frequently Asked Questions

What are the most common Ford Bronco Sport problems?

According to Au7o's analysis of 458,080+ owner reports, the 2021 Ford Bronco Sport has 15 documented issues. The most frequently reported are: Loss of Drive Power Due to 12V Battery Detection Failure (Recall 24S24 / NHTSA 24V267), 1.5L EcoBoost 3-Cylinder Coolant Loss and Engine Failure, 1.5L EcoBoost Turbocharger Wastegate Actuator Seizure Causing P0299 and Limp Mode. Of these, 6 are rated critical and should be addressed promptly.

Is the Ford Bronco Sport reliable?

The 2021 Ford Bronco Sport has 15 known issues documented across 458,080+ owner reports. 6 issues are rated critical: Loss of Drive Power Due to 12V Battery Detection Failure (Recall 24S24 / NHTSA 24V267) and 1.5L EcoBoost 3-Cylinder Coolant Loss and Engine Failure and 1.5L EcoBoost Turbocharger Wastegate Actuator Seizure Causing P0299 and Limp Mode and Belt-Driven Water Pump Seal Failure Soaking and Shredding the Serpentine Belt (1.5L EcoBoost) and Front Lower Control Arm Ball Joint Separation - Do Not Drive Recall and Recall 21S02: Insufficient Rear Drive Unit Lubricant Can Seize the Rear Axle (2021 Bronco Sport). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Ford Bronco Sport problems?

Repair costs for known Ford Bronco Sport issues range from $0 to $7,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Loss of Drive Power Due to 12V Battery Detection Failure (Recall 24S24 / NHTSA 24V267), typically costs $0-$0 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2021-2024 Ford Bronco Sport Loss of Drive Power Due to 12V Battery Detection Failure (Recall 24S24 / NHTSA 24V267)?

NHTSA recall 24V267000 (Ford reference 24S24) covers 456,565 model year 2021-2024 Bronco Sport and 2022-2023 Maverick vehicles. The Body Control Module and Powertrain Control Module fail to detect 12V battery degradation, resulting in loss of motive power whenever an Auto Stop/St… Repairs typically run $0-$0. Severity: high.

All 15 Known Issues

Other Ford Models

Frequently Asked Questions

What are the most common Ford Bronco Sport problems?

Is the Ford Bronco Sport reliable?

How much does it cost to fix common Ford Bronco Sport problems?

What is the 2021-2024 Ford Bronco Sport Loss of Drive Power Due to 12V Battery Detection Failure (Recall 24S24 / NHTSA 24V267)?

2021-2024 Ford Bronco Sport: 1.5L EcoBoost 3-Cylinder Coolant Loss and Engine Failure#

2021-2024 Ford Bronco Sport: 1.5L EcoBoost Turbocharger Wastegate Actuator Seizure Causing P0299 and Limp Mode#

2021-2025 Ford Bronco Sport: 1.5L EcoBoost 3-Cylinder Engine Issues — Oil Dilution + Oil Separator + Fuel Injector (Recalls 22S21 + Injector)#

2021-2024 Ford Bronco Sport: Loss of Drive Power Due to 12V Battery Detection Failure (Recall 24S24 / NHTSA 24V267)#

2021-2024 Ford Bronco Sport: SYNC 3 Software Instability - Black Screen, Lost Settings, and Blank Backup Camera (Recall 25S72 / NHTSA 25V442 + CSP 24B47)#

2021-2024 Ford Bronco Sport: Liftgate Passive Entry (Intelligent Access) Inoperative While Flip-Up Glass Still Works#

2021 Ford Bronco Sport: Recall 21S02: Insufficient Rear Drive Unit Lubricant Can Seize the Rear Axle (2021 Bronco Sport)#

2021-2025 Ford Bronco Sport: Rear Differential Overheating (Badlands AWD)#

2021-2024 Ford Bronco Sport: Belt-Driven Water Pump Seal Failure Soaking and Shredding the Serpentine Belt (1.5L EcoBoost)#

2021-2026 Ford Bronco Sport: Front Lower Control Arm Ball Joint Separation - Do Not Drive Recall#

2021-2024 Ford Bronco Sport: Rear Drive Unit (RDU) Chatter and Shudder During Low-Speed Turns - AWD Models#

2021-2022 Ford Bronco Sport: 8F35 8-Speed Transmission Slip When Hot and P0766 Solenoid Fault#

2021-2025 Ford Bronco Sport: Transmission Hesitation and Delayed Engagement From Stop#

2021-2025 Ford Bronco Sport: Panoramic Sunroof Drain Tube Clog Causing Interior Leak#

2021-2025 Ford Bronco Sport: Windshield Stress Cracking Without Impact#