Jeep Grand Cherokee Common Problems & Reliability Guide
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Overview
The Jeep Grand Cherokee is a mid-size SUV known for its off-road capability and available luxury features. Common issues across generations include electrical problems, transmission concerns, and suspension wear. The 3.6L Pentastar V6 and various HEMI V8 engines have been popular choices, though each generation has specific known problems ranging from TIPM failures to air suspension leaks.
Quick Summary
By Generation
Available Engines
Common OBD2 Codes
Known Problems
Violent steering wheel shake at highway speeds caused by worn track bar bushings, ball joints, or tie rod ends. Common on lifted or high-mileage vehicles.
Shop parts for this repairRadiator, water pump, and heater core failures are common. Check coolant levels regularly and watch for sweet smell or puddles.
Shop parts for this repairPower window regulators fail, causing windows to drop into door or become stuck. Front windows most affected.
Shop parts for this repairCast iron exhaust manifolds develop cracks causing ticking noise and exhaust leaks. More common in cold climates.
Shop parts for this repairTransfer case shift motor or mode sensor fails, preventing 4WD engagement or causing service 4WD message.
Shop parts for this repairRecalls
NHTSA recall for fuel tank vulnerability in rear-end collisions. Free skid plate installation offered.
Lower ball joints may separate from control arm causing loss of vehicle control. Replacement required.
Rear brake calipers may seize causing reduced braking performance or parking brake issues.
Available Engines
Common OBD2 Codes
Known Problems
TIPM controls electrical systems and commonly fails causing no-start, intermittent wipers, power windows, fuel pump issues. Known design flaw.
Shop parts for this repairElectronic limited-slip differential clutch packs wear prematurely causing whining, clunking, or complete failure. Expensive repair.
Shop parts for this repairExhaust valve seats can crack or recede causing misfires, loss of compression, and engine damage. More common in early models.
Shop parts for this repair5.7L HEMI engines develop lifter tick from MDS (Multi-Displacement System) lifter failure. Can lead to cam lobe wear.
Shop parts for this repairSunroof drain tubes clog causing water leaks into cabin, soaking carpets and causing electrical issues.
Shop parts for this repairFuel level sensor provides incorrect readings or causes erratic gauge movement. Multiple sensor failures common.
Shop parts for this repairRecalls
Ignition switch may overheat causing melting, smoke, or fire. Park outside until repaired.
Lower control arms may fracture causing loss of vehicle control. Free inspection and replacement.
Fuel tank vulnerable in rear-end collisions. Free skid plate or vehicle buyback offered.
Airbags may not deploy in certain crashes due to control module programming error.
Available Engines
Common OBD2 Codes
Known Problems
ZF 8HP transmission develops shudder during low-speed acceleration or gear changes. TSB available for software update and fluid change.
Shop parts for this repairEGR cooler, DPF clogging, and DEF system failures common. EcoDiesel subject to emissions scandal and extended warranty.
Shop parts for this repairAir suspension compressor, air springs, or height sensors fail causing sagging, fault messages, or stuck height modes.
Shop parts for this repairElectronic parking brake actuators fail causing parking brake malfunction warning. Common on 2014-2018 models.
Shop parts for this repair3.6L Pentastar left cylinder head rocker arms fail causing ticking noise, misfires, or engine damage. TSB and extended warranty available.
Shop parts for this repairBlend door actuators fail causing clicking noise from dashboard and inability to control temperature on one or both sides.
Shop parts for this repairActive grille shutters fail or freeze open/closed causing P0128 code, AC issues, or reduced fuel economy.
Shop parts for this repairWCM fails causing loss of remote start, Uconnect features, or security system issues. Software update may help.
Shop parts for this repairRecalls
Fuel pump relay may fail causing stalling or no-start condition. Free TIPM replacement or relay repair.
Alternator diodes may fail causing electrical system issues or engine stall. Free alternator replacement.
Brake booster check valve may allow vacuum leak causing extended stopping distance. Free inspection and replacement.
Passenger airbag inflator may explode sending metal fragments into cabin. Multiple recall phases.
Trailer hitch wiring harness may short circuit causing vehicle fire. Free inspection and repair.
Available Engines
Common OBD2 Codes
Known Problems
Plug-in hybrid models experience charging system failures, reduced electric range, or battery management system faults. Software updates available.
Shop parts for this repair3.0L Hurricane engines develop wastegate rattle on cold start. TSB available for wastegate actuator replacement.
Shop parts for this repairUconnect 5 system experiences freezing, black screen, backup camera failure, or Bluetooth connectivity issues. Software updates required.
Shop parts for this repairAir suspension air springs develop leaks causing vehicle to sag overnight or during extended parking. Common on all air suspension models.
Shop parts for this repairPanoramic sunroof develops rattles or wind noise. Adjustment or replacement of guides and seals required.
Shop parts for this repairRecalls
Rear coil springs may fracture causing suspension noise or tire damage. Free inspection and replacement.
Hybrid battery may overheat causing fire risk. Park outside and do not charge until repaired.
Front passenger seat occupant detection system may incorrectly classify occupant causing airbag non-deployment.