The 2021 Grand Cherokee WK2 sits at the tail end of a platform that debuted in 2011, meaning most bugs were worked out but wear items are well documented. The ZF 8-speed transmission and 3.6L Pentastar are generally solid, but certain failure modes can be catastrophic and expensive.
Symptoms: Sudden loss of power and severe misfiring on one bank, Metal-on-metal rattling noise from engine, Check engine light with multiple cylinder misfire codes, Catastrophic internal engine damage if driven after failure
Fix: Valve seat drops into cylinder, destroying piston, cylinder wall, and often requiring complete engine rebuild or replacement. 30-50 labor hours for rebuild, 18-25 hours for used/reman engine swap.
Estimated cost: $6,500-12,000
ZF 8HP Transmission Oil Cooler Leaks
Common · medium severity
Typical onset: 50,000-90,000 mi
Symptoms: Transmission fluid puddle under vehicle, front-center, Low transmission fluid warning on dash, Harsh shifting or delayed engagement when fluid gets low, Pink or red fluid visible near oil pan area
Fix: Internal oil cooler develops leaks at crimp joints or becomes clogged. Requires transmission pan drop, replacement of cooler and filter. 3-5 hours labor. Critical to catch early before running low on fluid damages clutches.
Estimated cost: $800-1,400
Rear Transmission Mount Failure
Common · low severity
Typical onset: 60,000-100,000 mi
Symptoms: Clunk or thud when shifting from Park to Drive or Reverse, Vibration through floor during acceleration, Driveline shudder at highway speeds, Visible sagging or torn rubber on mount during inspection
Fix: Rear crossmember mount separates or tears. Straightforward replacement, requires supporting transmission. 1.5-2.5 hours labor depending on rust belt location.
Estimated cost: $350-650
Fuel Pump and Fuel Filter Module Failure
Occasional · high severity
Typical onset: 70,000-110,000 mi
Symptoms: No-start condition, cranks but won't fire, Intermittent stalling, especially when fuel tank below half, Rough running and hesitation under load, Fuel pressure below spec on scan tool (should be 58 psi)
Fix: In-tank fuel pump module fails, often taking out internal filter. Requires fuel tank drop. 3-4 hours labor. OEM module strongly recommended over aftermarket for longevity.
Estimated cost: $900-1,600
PCV System and Oil Consumption Issues (3.6L)
Occasional · medium severity
Typical onset: 80,000-130,000 mi
Symptoms: Excessive oil consumption, 1+ quart per 1,000 miles, Oil in intake manifold or throttle body, Rough idle with P0300-series codes, Blue smoke on startup or deceleration
Fix: Worn piston rings or stuck PCV valve causes blow-by and oil burning. Minor cases fix with PCV valve and intake cleaning (2 hours). Severe cases need short block or piston ring replacement (25-35 hours).
Estimated cost: $400-8,500
Rear Differential Pinion Seal Leak
Common · low severity
Typical onset: 50,000-90,000 mi
Symptoms: Gear oil dripping from rear of driveshaft, Low differential fluid level on inspection, Whining or howling from rear end if fluid gets critically low, Visible wetness on pinion flange
Fix: Pinion seal hardens and leaks. Requires driveshaft removal, pinion nut torque must be precisely set to avoid bearing preload issues. 2-3 hours labor.
Estimated cost: $400-700
Owner tips
Change ZF transmission fluid and filter at 60k intervals regardless of 'lifetime fill' claims—prevents cooler clogging and extends life
Monitor oil consumption closely on 3.6L engines; catching PCV issues early prevents catastrophic valve seat failures
Inspect transmission and differential for leaks at every oil change—small leaks become expensive failures when ignored
Use Top Tier fuel and keep tank above 1/4 to extend fuel pump life
Solid platform if maintained, but the catastrophic Pentastar valve seat issue is Russian roulette—budget $8k-10k emergency fund or stick with the bulletproof 5.7L Hemi if available.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
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BACK OVER PREVENTION: SENSING SYSTEM: CAMERA · 24V436000
2024-06-13
Chrysler (FCA US, LLC) is recalling certain 2021-2022 Dodge Durango, 2021-2023 Chrysler Pacifica, Jeep Grand Cherokee L, 2022 Ram 1500, 2500, 3500, Chrysler Voyager, 2022-2023 Jeep Compass, Grand Cherokee, Wagoneer, Grand Wagoneer, and Ram Promaster vehicles. The radio software may prevent the rearview image from displaying. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
Consequence: A rearview camera image that does not display decreases the driver's visibility, increasing the risk of a crash.
Remedy: Dealers will update the radio software or the software will be OTA, "Over-The-Air," free of charge. Owner notification letters were mailed beginning July 9, 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's numbers for this recall are 66B and 79B.
Chrysler (FCA US, LLC) is recalling certain 2021-2023 Jeep Grand Cherokee L and 2022-2023 Jeep Grand Cherokee vehicles. The upper control arm ball joint and steering knuckle may separate and cause the wheel to fall outward, resulting in a loss of vehicle control.
Consequence: A loss of vehicle control increases the risk of a crash.
Remedy: Dealers will replace the upper control arm pinch bolts, free of charge. Owner notification letters were mailed April 2, 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA's number for this recall is 10B.
BACK OVER PREVENTION:DISPLAY FUNCTION · 23V577000
2023-08-14
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."
Consequence: A rearview image that does not display while in reverse decreases the driver's visibility of the rear view, increasing the risk of injury or crash.
Remedy: Dealers will update the Central Vision Park Assist Module software, free of charge. Owner notification letters were mailed August 31, 2023. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 56A.
SUSPENSION:REAR:SPRINGS:COIL SPRINGS · 23V413000
2023-06-08
Chrysler (FCA US, LLC) is recalling certain 2022-2023 Jeep Grand Cherokee and 2021-2023 Jeep Grand Cherokee L vehicles. The rear coil springs may have been incorrectly installed and detach from the vehicle while driving.
Consequence: Rear coil springs that detach from the vehicle while driving increases the risk of a crash.
Remedy: Dealers will inspect and if necessary, repair the rear coil spring assemblies, free of charge. Owner notification letters were mailed June 29, 2023. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 64A. This recall is replaced by NHTSA recall 26V051. All vehicles will need to have the new recall remedy performed.
STEERING:COLUMN · 23V352000
2023-05-18
Chrysler (FCA US, LLC) is recalling certain 2022-2023 Jeep Grand Cherokee and 2021-2023 Jeep Grand Cherokee L vehicles. An incorrectly assembled steering column intermediate shaft may disconnect from the u-joint, and result in a loss of steering control.
Consequence: A loss of steering control increases the risk of a crash.
Remedy: Dealers will inspect and, if necessary, replace the intermediate shaft and assembly parts, free of charge. Owner notification letters were mailed June 6, 2023. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 58A.
EXTERIOR LIGHTING:TAIL LIGHTS · 22V544000
2022-07-28
Chrysler (FCA US, LLC) is recalling certain 2022 Jeep Grand Cherokee and 2021-2022 Jeep Grand Cherokee L vehicles. The tail light side marker assemblies may be damaged and not illuminate. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamp, Reflective Devices, and Associated Equipment."
Consequence: A tail light side marker that does not illuminate can reduce vehicle visibility to other drivers, increasing the risk of a crash.
Remedy: Dealers will inspect and replace both body-mounted tail light assemblies, as necessary, free of charge. Owner notification letters were mailed June 8, 2023. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is Z50.
Chrysler (FCA US, LLC) is recalling certain 2021 Dodge Durango, Jeep Grand Cherokee WK, 2022 Jeep Grand Cherokee, and 2021-2022 Jeep Grand Cherokee L vehicles equipped with 3.6L engines. The exhaust gas recirculation (EGR) valve may stick open, resulting in an unexpected loss of drive power.
Consequence: An unexpected loss of drive power increases the risk of a crash.
Remedy: Dealers will replace the EGR valve assembly, free of charge. Owner notification letters were mailed June 23, 2022. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is Z31.
CHILD SEAT:VEHICLE TETHER ANCHOR · 22V180000
2022-03-24
Chrysler (FCA US, LLC) is recalling certain 2021-2022 Jeep Grand Cherokee L vehicles. These vehicles may have been built with a missing weld from the seat back frame to the child seat tether anchorage. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 225, "Child Restraint Anchorage Systems."
Consequence: A missing weld may allow the child seat tether to separate from the seat frame during a crash, increasing the risk of injury.
Remedy: Dealers will inspect and, if necessary, replace the second-row seat back frame, free of charge. Owner notification letters were mailed April 7, 2022. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US LLC's number for this recall is Z24.
EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE · 21V950000
2021-12-09
Chrysler (FCA US, LLC) is recalling certain 2021 Jeep Grand Cherokee L vehicles equipped with smart lighting modules (SLM). An incomplete SLM software update may cause one or both headlights to become inoperable. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
Consequence: Inoperable headlights can reduce visibility for the driver and oncoming traffic, increasing the risk of a crash.
Remedy: Dealers will reprogram the SLM software, free of charge. Owner notification letters were mailed December 23, 2021. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is Y72.
AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE:SOFTWARE · 21V873000
2021-11-10
Chrysler (FCA US, LLC) is recalling certain 2021 Jeep Grand Cherokee L, 2022 Jeep Wagoneer, and Grand Wagoneer vehicles. The Occupant Restraint Controller (ORC) may have incorrect software which can disable the driver, passenger, and knee air bags without warning.
Consequence: Disabled air bags can increase the risk of injury to occupants in a crash.
Remedy: Dealers will reprogram the ORC, free of charge. Owner notification letters were mailed December 2, 2021. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is Y79.
EXTERIOR LIGHTING:HEADLIGHTS · 21V797000
2021-10-14
Chrysler (FCA US, LLC) is recalling certain 2021 Jeep Grand Cherokee L vehicles not equipped with automatic high beams. When the master lighting switch is set to the auto position, the high beam headlights will not activate unless the master lighting switch is first changed to the 'on" position. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
Consequence: Difficulty activating the headlight high beams may result in reduced visibility, increasing the risk of a crash.
Remedy: Dealers will reprogram the vehicles, free of charge. Owner notification letters were mailed October 28, 2021. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is Y66.
VISIBILITY:REARVIEW MIRRORS/DEVICES · 21V729000
2021-09-21
Chrysler (FCA US, LLC) is recalling certain 2021 Jeep Grand Cherokee L vehicles. A radio software error may prevent the rearview image from displaying. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
Consequence: A rearview camera that does not display an image reduces the driver's rear view, increasing the risk of a crash.
Remedy: FCA US LLC will update the radio software, free of charge. Owner notification letters were mailed on December 28, 2021. Owners may contact FCA US LLC customer service at 1-800-853-1403. FCA US LLC's number for this recall is Y67.
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