Which parts fail
Components named in complaints (engine, cooling system, oil leaks, timing chain, exhaust).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2015 Jeep Grand Cherokee owners, lightly cleaned up (personal details are redacted by NHTSA).
The contact owns a 2015 Jeep Grand Cherokee. The contact stated that while getting a routine oil change shortly after, the warning light for a throttle box illuminated. The contact stated that in the past after getting the same oil change, the warning light for the tire pressure sensor light was illuminated. The contact took the vehicle to the dealer who determined no failure indicated for the tires. The contact stated that every time they brought the vehicle in for inspection no failure was indicated despite the contact filling the tires with air. The contact stated that while driving on the freeway when they were attempting to drive the speed limit of 65 mph their vehicle could not accelerate beyond being between 45-50 mph. The contact was able to pull off the ramp where the vehicle eventually came to a seize. The vehicle began to smoke on the front end. …
The contact owns a 2015 Jeep Grand Cherokee. The contact stated that while driving at various speeds, the contact noticed that the vehicle was hesitant to move and the accelerator pedal was able to be pushed all the way to the floorboard. No warning light was illuminated The vehicle was taken to a dealer to be diagnosed. The vehicle had been diagnosed by a dealer however, the mechanic was not able to pinpoint the failure. A week later the same problem reoccurred. The contact also stated that when the contact was reversing the vehicle had taken off and crashed into someone else vehicle. The air bag did not deploy. The speed at the time of the crash was unknown. The vehicle did not have to be towed. The service external throttle control warning light was illuminated. A police report was not filled. The driver had gotten injured. There were no other people's injuries. …
The contact's son owns a 2015 Jeep Grand Cherokee. The contact stated while her son was driving 60-65 MPH, the vehicle started shuddering. The ABS, traction control, and check engine warning lights were illuminated. The vehicle decelerated to 30 MPH and stalled while driving on an uphill ramp. The vehicle failed to restart, causing another vehicle to strike the driver's side of the vehicle. There were no injuries sustained. The vehicle was pushed downhill with the assistance of a police patrol. The vehicle was towed to the contact's residence. The vehicle was then towed to the dealer where it was diagnosed that the engine was blown and needed to be replaced. Additionally, the dealer diagnosed that the thermostat, radiator, starter, and motor mounts needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. …
The contact owned a 2015 Jeep Grand Cherokee. The contact stated that while her son was driving approximately 40-45 MPH, the electronic control warning light illuminated before the failure. The contact pulled over and turned off the vehicle; however, the vehicle independently restarted. The contact exited the vehicle shortly afterwards, and the vehicle suddenly caught on fire. The fire department extinguished the fire. The contact associated the failure with NHTSA Complaint Number: 20V699000 (Engine and Engine Cooling). The vehicle was towed to a tow lot. The manufacturer was contacted by email and phone and opened a claim. The claim was declined. The investigator had taken photos. The contact was informed that the mileage had been exceeded. The failure mileage was approximately 150,000.
The contact owns a 2015 Jeep Grand Cherokee. The contact stated while the vehicle was parked, she noticed fluid leaking from the vehicle onto the ground. The vehicle was taken to the dealer where it was diagnosed that the radiator was leaking and needed to be replaced. The dealer replaced the radiator and the electronic control module. The contact stated that upon starting the vehicle, she heard an abnormal ticking sound coming from the passenger's side of the engine. The vehicle was taken to a second dealer Maguire Chrysler Dodge Jeep Ram of Syracuse (959 Hiawatha Blvd W, Syracuse, NY 13204), where the camshaft exhaust, intake plenum, valve, tappet valve lash, housing thermostat, coolant, gasket cylinder head cover, engine oil, seal spark plugs well were replaced; however, the failure persisted. The contact stated that the failure had been reoccurring more frequently. …
The contact owns a 2015 Jeep Grand Cherokee. The contact stated while his wife was driving 70 MPH, the transmission shifted into neutral, and the engine stopped. The contact's wife was able to coast off the highway while in neutral. Once on the side of the road, the vehicle shifted into park without warning. There was no warning light illuminated; however, a message to check electronic braking system was briefly displayed. The vehicle was restarted, and the contact's wife drove the vehicle to the residence. The vehicle was then driven to the dealer, but the dealer could not duplicate the failure. The contact and his wife drove the vehicle several times and the failure reoccurred. The vehicle was towed back to the dealer and a diagnostic test was performed. The contact was informed that the ECM was inoperable. The vehicle was repaired but the failure persisted. …
The contact owns a 2015 Jeep Grand Cherokee. The contact stated that while driving at an undisclosed speed, the contact smelled radiator fumes on the interior of the vehicle. In addition, the contact stated that the coolant reservoir was repeatedly refilled; however, there were no signs of a leak. The contact later became aware that radiator fluid was leaking on the ground underneath the vehicle. The contact performed an inspection of the vehicle and noticed a thick, black sticky substance underneath the EGR valve. The vehicle was towed to the dealer, and the dealer became aware of burn marks on the left side of the engine. In addition, the contact was informed that coolant was leaking from several spots. The dealer declined to continue diagnosing the vehicle. The contact was advised to retrieve the vehicle. The manufacturer was made aware of the failure, and a case was filed. …
The contact owns a 2015 Jeep Grand Cherokee. The contact stated while driving approximately 40-45 MPH, the vehicle hesitated and started losing motive power. The accelerator pedal was depressed, and the transmission failed to shift as needed. The check engine warning light was illuminated. The contact attempted to restart the vehicle, and the vehicle restarted after several attempts. The contact stated that the failure persisted. The vehicle was taken to an independent mechanic, where it was diagnosed that the crankshaft position sensor needed to be replaced. The vehicle was not repaired due to the cost. The contact related the failure to NHTSA Campaign Number: 23V411000 (Engine and Engine Cooling); however, the VIN was not included in the recall. The contact stated that weeks before the failure while driving at an undisclosed speed, the vehicle went into LIMP Mode. …
The contact owns a 2015 Jeep Grand Cherokee. The contact received notification of NHTSA Campaign Number: 22V406000 (Fuel System, Diesel); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact had gone to the dealer three times for the recall repair before experiencing a failure with the vehicle; however, the part was not available for the recall repair. While awaiting the repair, while the contact's wife was driving approximately 60 MPH, there was a clanking sound coming from the engine compartment. The sound progressively grew louder. There was no warning light illuminated. On the fourth visit to the dealer, the vehicle was diagnosed with engine failure, and the contact was informed that the engine needed to be replaced. The vehicle was not yet repaired. …
On April 24, 2023, while driving 53 mph down a busy highway the car just lost all power. I wasn't able to control the vehicle then I stepped on the brakes but only if the back brakes worked. Which caused the vehicle to spin out of control until I eventually flipped the vehicle upside down into a ditch. It was one of the scariest things I've ever experienced. Besides the fact my drivers side head rest and seat bell we're also broken at the time. I was going to the dealership on April 26th to have both the headrest and seat belt fixed. It's also the second time the car lost power. In addition to that my headlights, rear lights, & windshield wipers, would suddenly stop working then work again. I totaled my Jeep and I'm now out of a vehicle since I had a active loan of the vehicle. I was suppose to be done with my payments in Aug of 2025. …
Related recalls
Engine and engine cooling
Chrysler (FCA US, LLC) is recalling certain 2014-2019 Ram 1500 and 2014-2020 Jeep Grand Cherokee vehicles equipped with 3.0L Diesel engines. The crankshaft position sensor tone wheel may delaminate, causing the engine to lose its ability to synchronize the fuel injector pulses and cam shaft timing, possibly resulting in an…
Remedy: Dealers will update the powertrain control module software to maintain vehicle propulsion, free of charge. Interim notification letters, notifying owners of the safety risk, were mailed August 3, 2023.
Engine and engine cooling › Exhaust system › Emission control › Gas recirculation valve (EGR valve)
Chrysler (FCA US LLC) is recalling certain 2014-2019 Jeep Grand Cherokee vehicles equipped with the 3.0L EcoDiesel engines. The Exhaust Gas Recirculation (EGR) cooler may crack and allow pre-heated vaporized coolant to enter the EGR system. This mixture may combust inside the intake manifold.
Remedy: FCA US LLC will notify owners, and dealers will replace the EGR cooler, free of charge. Dealers will also inspect and, as necessary, replace the intake manifold. Parts are not currently available.
Engine and engine cooling › Engine › Diesel
Chrysler (FCA US LLC) is recalling certain 2014-2018 Ram 1500 and 2014-2016 Jeep Grand Cherokee vehicles equipped with 3.0L diesel engines. The crankshaft position sensor tone wheel may delaminate causing the engine to lose its ability to synchronize the fuel injector pulses and cam shaft timing, possibly resulting in an engine…
Remedy: FCA US will notify owners, and dealers will update the powertrain control module software to maintain vehicle propulsion by reading the camshaft position signal in the event that the crankshaft position signal is lost,…
Engine complaints in other Grand Cherokee years
Frequently asked questions
How common are engine problems on the 2015 Jeep Grand Cherokee?
NHTSA has 221 complaints about the engine & cooling of the 2015 Jeep Grand Cherokee, 16% of the model year's 1,367 complaints. The component named most often is exhaust system › emission control (1 mentions).
Is there a recall for 2015 Jeep Grand Cherokee engine problems?
Yes — NHTSA recall 23V-411 (engine and engine cooling, Jun 8, 2023); NHTSA recall 20V-699 (gas recirculation valve (egr valve), Nov 12, 2020); NHTSA recall 20V-475 (diesel, Aug 13, 2020). Recall repairs are free at authorized dealers.
At what mileage do 2015 Jeep Grand Cherokee engine problems start?
Half of the complaints with a recorded mileage happened before about 65,000 miles, and 22% before 25,000 miles.
Is it dangerous?
Owners linked 10 crashes, 11 fires and 4 injuries to engine & cooling problems on this model year. If you notice symptoms, have the car checked before driving further.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.