Jeep · Known Issues
2021 Jeep Grand Wagoneer Problems: 7 Known Issues
2021 model year · 748+ owner reports · Updated September 2026
2021 · All trims · All engines
Choose the year and equipment for your written issues and visual request.
2021 model year · 748+ owner reports · Updated September 2026
2021 · All trims · All engines
Choose the year and equipment for your written issues and visual request.
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According to Au7o's analysis of 748+ owner reports, the 2021 Jeep Grand Wagoneer has 7 documented known issues, with 4 rated critical. The most serious are Transfer Case Encoder Motor Failure / 4WD Mode Stuck ($650-$2,200 repair), Tailgate Power Cinch Latch Failure / Tailgate Won't Latch or Open ($350-$1,400 repair), Rear Differential Pinion Bearing Noise / Whine ($800-$3,500 repair) and Cooling Fan Module Failure / Overheating Warning ($450-$1,600 repair). The most commonly reported issue is Ambient Interior Lighting Flickering or Complete Failure with 193 owner reports. Across all issues with published estimates, repair costs range from $200 to $3,500. DIY maintenance guides at au7o.io.
BACK OVER PREVENTION:DISPLAY FUNCTION
Chrysler (FCA US, LLC) is recalling certain 2022-2023 Jeep Grand Cherokee, 2021-2023 Jeep Grand Cherokee L, and 2022-2024 Jeep Wagoneer and Grand Wagoneer vehicles. The Central Vision Park Assist module (CVPAM) software may prevent the rearview image from displaying when the vehicle is placed in reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
SEAT BELTS: REAR/OTHER:BUCKLE ASSEMBLY
Chrysler (FCA US, LLC) is recalling certain 2022-2024 Jeep Wagoneer and Grand Wagoneer vehicles. The third-row seat belts may not allow occupants to properly access or fasten the seat belt to the buckle. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard numbers 208, "Occupant Crash Protection" and 209, "Seat Belt Assemblies."
AIR BAGS:FRONTAL:DRIVER CLOCKSPRING/SPIRAL CASSETTE
Chrysler (FCA US, LLC) (Stellantis) is recalling certain 2023-2024 Ram 1500, Jeep Wrangler, Jeep Wagoneer, Jeep Grand Wagoneer, Chrysler Pacifica, Ram 3500, Ram 3500 cab chassis, Ram 2500, Ram 4500 cab chassis, Ram 5500 cab chassis, 2023 Jeep Gladiator, Jeep Grand Cherokee, Jeep Grand Cherokee L, Ram 3500 Cab Chassis with a GVWR less than 10,000 lbs., and Chrysler Voyager vehicles. The steering column control module may not be welded properly, which can prevent the driver's air bag from deploying in a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
BACK OVER PREVENTION:SOFTWARE
Chrysler (FCA US, LLC) is recalling certain 2024 Jeep Wagoneer, Grand Wagoneer, Grand Cherokee, and Grand Cherokee L vehicles. Incorrect software in the rearview camera module may cause the rearview camera image not to display. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."
STRUCTURE:EXTERIOR TRIM
Chrysler (FCA US, LLC) is recalling certain 2022-2025 Jeep Wagoneer and Jeep Grand Wagoneer vehicles. The trim on the driver and passenger doors may not have been installed properly, which can allow it to detach.
+ 8 more recalls. Check all on NHTSA.gov
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According to Au7o's analysis of 748+ owner reports, the 2021 Jeep Grand Wagoneer has 7 documented issues. The most frequently reported are: Transfer Case Encoder Motor Failure / 4WD Mode Stuck, Tailgate Power Cinch Latch Failure / Tailgate Won't Latch or Open, Rear Differential Pinion Bearing Noise / Whine. Of these, 4 are rated critical and should be addressed promptly.
The 2021 Jeep Grand Wagoneer has 7 known issues documented across 748+ owner reports. 4 issues are rated critical: Transfer Case Encoder Motor Failure / 4WD Mode Stuck and Tailgate Power Cinch Latch Failure / Tailgate Won't Latch or Open and Rear Differential Pinion Bearing Noise / Whine and Cooling Fan Module Failure / Overheating Warning. 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.
Repair costs for known Jeep Grand Wagoneer issues range from $200 to $3,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Transfer Case Encoder Motor Failure / 4WD Mode Stuck, typically costs $650-$2,200 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
The Quadra-Trac transfer case encoder motor on Grand Wagoneer models fails to properly shift between 2WD, 4WD Auto, 4WD Low, and Neutral modes, leaving the vehicle stuck in a single drive mode or displaying a 'Service 4WD System' message. The BorgWarner transfer case encoder moto… Repairs typically run $650-$2,200. Severity: high.
The Grand Wagoneer's power cinch tailgate latch mechanism, which uses an electric motor to fully close and seal the rear liftgate, has been reported to fail in both directions — either not cinching closed or not releasing when the open button is pressed. The electric cinch latch… Repairs typically run $350-$1,400. Severity: high.
Owners of Grand Wagoneer models equipped with the rear Dana 44 or Dana 60 axle have reported a pronounced whining or howling noise emanating from the rear differential, particularly at highway speeds between 55-75 mph. The pinion bearing preload can be inadequate from the factory… Repairs typically run $800-$3,500. Severity: high.
The electric cooling fan module on the Grand Wagoneer has been documented to fail, causing the dual electric radiator fans to run at reduced speed or stop entirely, resulting in engine coolant temperature spikes especially at low speeds and in traffic. The fan control module can… Repairs typically run $450-$1,600. Severity: high.
The second-row captain's chairs equipped with power adjustment and memory functions on Grand Wagoneer L and standard models have been reported to fail to return to memorized positions or become entirely non-operational. The seat position memory module loses stored settings after… Repairs typically run $200-$1,800. Severity: medium.
The extensive 128-color ambient interior lighting system in the Grand Wagoneer, which includes door panel strips, footwell lighting, overhead console illumination, and dashboard accents, has been reported to flicker, display incorrect colors, or fail entirely on various zones. Th… Severity: low.
The Grand Wagoneer's active noise cancellation system, integrated into the McIntosh or base audio system through cabin microphones and the vehicle's speakers, has been reported to produce an audible low-frequency drone, buzz, or resonance at certain RPMs or vehicle speeds rather… Severity: low.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.