The 2010 Grand Cherokee (WK generation) is mechanically dated but generally robust, with the notable exception of catastrophic engine failures on 3.7L V6 models and chronic transmission cooler issues that can destroy the transmission if ignored.
3.7L V6 Engine Failure (Piston/Bearing Collapse)
Occasional · high severity
Typical onset: 80,000-150,000 mi
Symptoms: sudden loss of power, severe knocking or ticking from bottom end, metal shavings in oil, oil pressure warning light, engine seizure
Fix: Complete engine rebuild or replacement required. Piston skirt failures and spun bearings are common on the 3.7L PowerTech V6. Root cause often traced to inadequate oiling design and oil sludge buildup. Rebuild takes 18-24 hours; most shops recommend reman or junkyard swap (12-16 hours) instead. 4.7L and 5.7L rarely see this issue.
Estimated cost: $4,500-7,500
Transmission Oil Cooler Failure (Internal to Radiator)
Common · high severity
Typical onset: 70,000-120,000 mi
Symptoms: pink or milky transmission fluid, transmission slipping or erratic shifting, coolant in transmission pan, engine overheating, transmission shudder on acceleration
Fix: The factory oil cooler integrated into the radiator develops internal leaks, allowing coolant and ATF to mix—this destroys the transmission within days if not caught. Fix requires new radiator with external auxiliary cooler, transmission flush, and often transmission rebuild if contamination occurred. Radiator replacement alone is 3-4 hours, but most cases need trans rebuild (16-20 hours).
Estimated cost: $800-1,200 (caught early); $3,500-5,000 (with trans damage)
TIPM (Totally Integrated Power Module) Failure
Common · medium severity
Symptoms: fuel pump not priming (no start), horn honking randomly, wipers running on their own, gauges going haywire, windows or locks operating erratically, multiple warning lights
Fix: The TIPM (main fuse/relay box under hood) develops internal relay and circuit failures, most notoriously the fuel pump relay circuit. Symptoms are wildly inconsistent. Chrysler issued TSBs but no recall. Replacement TIPM requires programming and takes 2-3 hours. Some owners attempt relay soldering repairs (voids any warranty) with mixed results.
Estimated cost: $800-1,400
Front Lower Control Arm Bushing Failure
Common · medium severity
Typical onset: 60,000-100,000 mi
Symptoms: clunking over bumps from front end, steering wander or poor return to center, uneven tire wear on inside edge, vibration during braking, front end feels loose
Fix: The front lower control arm bushings (especially rearward position) tear and separate. Alignment becomes impossible to hold. Most shops replace entire control arms rather than pressing bushings (arms are cheap, labor is not). Both sides typically done together. 2.5-3.5 hours labor for both sides.
Estimated cost: $400-700
Transfer Case Mode Switch/Encoder Motor Failure (4WD)
Occasional · medium severity
Typical onset: 80,000-130,000 mi
Symptoms: service 4WD message on dash, inability to engage or disengage 4WD, grinding or clicking when trying to shift modes, stuck in 4WD Low or Neutral
Fix: The NV245 transfer case uses an electric motor and encoder to shift modes; the motor or position sensor fails. Sometimes a fluid change and cleaning helps temporarily, but usually requires encoder motor replacement. Transfer case does not need removal. 2-3 hours labor.
Estimated cost: $500-900
Rear Liftgate Struts and Latch Failure
Common · low severity
Typical onset: 50,000-90,000 mi
Symptoms: liftgate won't stay up or falls suddenly, power liftgate won't latch or open, repeated latch clicking noises, liftgate ajar warning stays on
Fix: Hydraulic struts weaken over time (typical wear item), but the power latch mechanism also fails frequently due to worn plastic gears inside actuator. Struts are easy (0.5 hour), latch actuator is 1.5-2 hours and requires interior trim removal. Many owners replace struts every 4-5 years as preventive maintenance.
Symptoms: exhaust tick or tapping on cold start that fades when warm, exhaust smell in cabin, visible soot streaks on manifold, failed emissions test, loud exhaust leak
Fix: The 5.7L Hemi's cast-iron manifolds crack between ports due to heat cycles—driver side more common. Leak gets progressively worse. Replacement requires removing heat shields, brackets, and O2 sensors. Driver side 3-4 hours, passenger side 2-3 hours. Use OE or heavy-duty aftermarket manifolds; cheap parts crack again quickly.
Estimated cost: $600-1,100 per side
Owner tips
Install an external transmission cooler immediately and bypass the factory radiator-mounted cooler—cheap insurance against $4K trans failure
Use high-quality synthetic oil and change every 5,000 mi on the 3.7L V6; this engine does not tolerate neglect or sludge buildup
Check transmission fluid color monthly; pink or milky = stop driving immediately and tow to shop
Budget for a TIPM replacement if buying high-mileage; keep a spare fuel pump relay in the glovebox as emergency workaround
Inspect control arm bushings at every alignment; replacing them preemptively at 80K saves tire cost and safety risk
Buy the 5.7L Hemi with service records showing external trans cooler and you'll have a solid, capable SUV; avoid the 3.7L V6 entirely unless engine has been replaced, and budget $2K for deferred maintenance on any example.
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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Every control module on the 2008-2010 Jeep Grand Cherokee — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
⚠️ Optional equipment; sensor calibration may be needed
Backup Camera Module (BCM)0.5 hr R&Rno coding
📍 Integrated into liftgate handle or rear bumper
⚠️ Optional equipment; plug-and-play on most models
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE) · 13V175000
2013-05-07
Chrysler Group LLC (Chrysler) is recalling certain model year 2005-2010 Jeep Grand Cherokee vehicles manufactured February 11, 2004, through March 9, 2010; and 2006-2010 Jeep Commander vehicles manufactured January 31, 2005, through March 10, 2010. A transfer case electrical failure may result in an unintentional shifting of the transfer case into the neutral position.
Consequence: If the vehicle shifts into neutral, it may roll away increasing the risk of a crash or personal injury.
Remedy: Chrysler will notify owners, and dealers will reflash the final drive controller which governs the transfer case, with new software, free of charge. The recall began on August 15, 2013. Owners may contact Chrysler at 1-800-247-9753. Chrysler's recall campaign number is N23.
ELECTRICAL SYSTEM:IGNITION:MODULE · 10V200000
2010-05-11
CHRYSLER IS RECALLING CERTAIN MODEL YEAR 2010 CHRYSLER 300, DODGE CHALLENGER, CHARGER, JEEP COMMANDER, GRAND CHEROKEE AND DODGE RAM VEHICLES. THESE VEHICLES MAY HAVE BEEN BUILT WITH A WIRELESS IGNITION NODE (WIN) MODULE EXHIBITING A BINDING CONDITION OF THE SOLENOID LATCH.
Consequence: THE RESULT OF THE DEFECT COULD LEAD TO A CONDITION WHERE THE KEY MAY BE REMOVED FROM THE IGNITION SWITCH (WIN MODULE) PRIOR TO PLACING THE SHIFTER IN PARK. THIS COULD RESULT IN THE POTENTIAL FOR UNINTENDED VEHICLE MOVEMENT AND COULD INCREASE THE RISK OF A CRASH.
Remedy: DEALERS WILL INSPECT AND REPLACE THE WIN MODULE FREE OF CHARGE. THE SAFETY RECALL IS EXPECTED TO BEGIN ON OR BEFORE AUGUST 23, 2010. OWNERS MAY CONTACT CHRYSLER AT 1-800-853-1403.
EQUIPMENT · 10V085000
2010-03-05
CHRYSLER IS RECALLING MODEL YEAR 2010 JEEP COMMANDER AND GRAND CHEROKEE VEHICLES. THEY MAY HAVE BEEN BUILT WITH AN IMPROPERLY MANUFACTURED REAR TRACK BAR.
Consequence: REDUCED VEHICLE STABILITY COULD OCCUR INCREASING THE RISK OF A CRASH.
Remedy: DEALERS WILL INSPECT THE REAR TRACK BAR BUSHING RETAINING HOOP AND REPLACE THE REAR TRACK BAR IF ANY ARE FOUND TO BE MIS-POSITIONED. THE SAFETY RECALL IS EXPECTED TO BEGIN DURING APRIL 2010. OWNERS MAY CONTACT CHRYSLER AT 1-800-853-1403.
SERVICE BRAKES, HYDRAULIC · 10V009000
2010-01-11
CHRYSLER IS RECALLING CERTAIN MODEL YEAR 2010 CHRYSLER SEBRING; DODGE AVENGER AND NITRO; JEEP LIBERTY, COMMANDER AND GRAND CHEROKEE; AND MODEL YEAR 2009-2010 DODGE RAM TRUCK. THESE VEHICLES MAY HAVE BEEN BUILT WITH AN IMPROPERLY FORMED OR MISSING BRAKE BOOSTER INPUT ROD RETAINING CLIP.
Consequence: THIS COULD RESULT IN BRAKE FAILURE WITHOUT WARNING WHICH COULD CAUSE A CRASH.
Remedy: CHRYSLER WILL REPLACE THE BRAKE BOOSTER INPUT ROD RETAINING CLIP FREE OF CHARGE. THE SAFETY RECALL IS EXPECTED TO BEGIN DURING FEBRUARY 2010. OWNERS MAY CONTACT CHRYSLER AT 1-800-853-1403.
CHRYSLER IS RECALLING CERTAIN MODEL YEAR 2010 JEEP GRAND CHEROKEE PASSENGER VEHICLES MANUFACTURED FROM OCTOBER 22 THROUGH NOVEMBER 12, 2009. THE PASSENGER SIDE AIRBAG MAY NOT PROPERLY DEPLOY THROUGH THE INSTRUMENT PANEL TEAR SEAM.
Consequence: THE AIRBAG MAY NOT PROPERLY PROTECT THE PASSENGER IN THE EVENT OF A CRASH, INCREASING THE RISK OF INJURY.
Remedy: DEALERS WILL REPLACE THE TOP COVER OF THE INSTRUMENT PANEL FREE OF CHARGE. THE CAMPAIGN IS EXPECTED TO BEGIN IN DECEMBER 2009. OWNERS MAY CONTACT CHRYSLER AT 1-800-853-1403.
Fuel economy (EPA)
City
16mpg
Highway
21mpg
Combined
18mpg
Fuel
Regular Gasoline
Capability & size
EPA class
Sport Utility Vehicle - 2WD
Wiper blades
WK generation (2005-2010). Rear may be 13-inch on some models.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2010 Jeep Grand Cherokee 3.7L V6 and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.