What 1,344 owners told NHTSA about the 2015 Jeep Grand Cherokee Trackhawk

System Failed: Total engine failure caused by a defective Recall W79 EGR Cooler, which is available for physical inspection at my residence.Safety Risk: The vehicle suffered a sudden, complete loss of motive power at speed. This caused an immediate traffic hazard, risking a catastrophic rear-end collision due to lost propulsion, power steering, and braking.Dealer Verification: The vehicle is currently undrivable. Jeep Corporate is actively giving me the runaround and refusing to tow or diagnose the vehicle under the EcoDiesel Settlement Extended Warranty.Inspections: No inspections have been conducted yet by police, insurance, or the manufacturer; the vehicle is fully preserved.Symptoms/Warning: No long-term warning lights appeared. The vehicle suddenly lost AC cooling and instantly stalled out without advanced mechanical warning.

NHTSA ODI 11746547

No check engine lights prior to this, car started to make a noise pulled over to check it out as I was merging over low oil pressure showed and coolant level over temperature, gear then dropped to neutral, managed to pull over without any accidents car then shut off, oil leaked, it makes a horrible engine noise when starting, had to tow it back. only had the car a year maintenance was up to date.

NHTSA ODI 11745161

vehicle had a strong odor of gasoline then started spuddering and then caught fire while driving.

NHTSA ODI 11738884

Sudden unintended acceleration while braking. Engine revved against brake input. Has happened multiple times. Need to step on the brake hard and wait for it to pass.

NHTSA ODI 11733268

While driving, engine immediately shuts off. Dash, radio, lights, etc. all function as normal. Dash cluster shows an error message, saying to shift into Park. After parking vehicle on shoulder, engine turns over but does not restart after several attempts. After awhile, engine finally restarts. No error codes or messages are displayed. Scanning with an OBD device shows no stored or pending error codes. Vehicle now operates normally. This has happened twice in the span of two weeks, and never previously.

NHTSA ODI 11722967

Despite having the EGR replaced under recall the unit still exploded while driving on wed 4 Mar 2026. Fluids were leaking and had indicated issues with the electric shifter. The local dealerships states the egr cooler needs replaced, coolant tank, DPF and oil change (despite just being done the Saturday before). Refusing to acknowledge any connection to previous recall or associated damages. Contacted FCA customer support and ignored my concerns and said just pay the dealer the $6000+.

NHTSA ODI 11722520

Vehicle began displaying check engine light. Diagnostic code P219B (Bank 2 air-fuel ratio imbalance) was identified. Vehicle was serviced and a valve-related repair was performed. Shortly after, engine performance worsened and further inspection revealed metal shavings in engine oil and confirmed internal lifter/valvetrain failure. Oil levels were normal and maintenance records are available. No warning of low oil pressure or overheating occurred prior to failure. Independent service center and inspector confirmed internal mechanical failure. Engine failure created risk of sudden loss of power while driving. This appears consistent with documented Pentastar 3.6L valvetrain/lifter issues reported by other owners. Concern is potential for sudden engine malfunction and safety risk due to power loss.

NHTSA ODI 11719777

Had to have repairs done after two weeks of purchase of vehicle for recall for vehicle losing power when picking up speed also engine light is on continuously. Contacted dealer and requested repairs Dealer was non-compliance.I had to pay for repairs myself. Still having issues and engine light still on. Contacted dealership and requested reimbursement for repairs 5 months ago haven't been reimbursed yet. What can I do. Spent $1400 for repairs

NHTSA ODI 11718184

The contact owns a 2015 Jeep Grand Cherokee. While driving at approximately 30 MPH and accelerating, the vehicle went into LIMP Mode. The vehicle was towed to a local dealer to be diagnosed. The contact was informed that the tone wheel had delaminated. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 120,000.

NHTSA ODI 11713593

Check engine light came on and when we had it tested with the OBD‑II scanner it came back with a Fuel system wiring harness corrosion Emission control module software updates Transmission shift issues.

NHTSA ODI 11711447

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. In addition, the contact stated that the EGR valve and the engine oil cooler were replaced under unknown recalls in 2021. The contact stated that the recall parts only lasted for three and a half years, and the original parts lasted seven years. The contact was informed that the vehicle was out of warranty. The failure mileage was approximately 145,000.

NHTSA ODI 11702959

The contact owns a 2015 Jeep Grand Cherokee. The contact stated that while driving at an undisclosed speed, the service electronic system warning light illuminated. In addition, the contact stated that the vehicle drove abnormally rough. The vehicle was driven to the destination. The contact stated that while attempting to restart the vehicle, the vehicle failed to restart. The contact stated that after several attempts, the vehicle started. The vehicle was driven to the residence. The contact stated that an independent mechanic inspected the vehicle, and the vehicle was diagnosed with a failed tone wheel and that the tone wheel had delaminated. The contact stated that the vehicle was inoperable, and the engine had seized due to a failure. The dealer informed the contact that the crankshaft software update was performed in 2022. The manufacturer was made aware of the failure. The failure mileage was approximately 85,000.

NHTSA ODI 11700301

Needs rocker arms, valve lifters and camshafts replaced.

NHTSA ODI 11699702

My engine oil is mixing into my coolant jug and radiator replaced the oil cooler housing and the issue still continues

NHTSA ODI 11690052

While driving at highway speed, the vehicle suddenly lost power, displayed a low oil pressure warning, and became inoperable. The vehicle had to be towed. Dealer initially claimed “overfilled oil,” but an independent oil analysis (Blackstone Labs) confirmed excessive fuel dilution (5.5%), indicating contamination of the oil system. This vehicle is covered by NHTSA Recalls 22V-406 (FCA Z46) and 23V-263 (FCA 01A) related to premature failure of the Bosch CP4 high-pressure fuel pump. Recall documents state: “A HPFP failure may introduce internally failed component debris into the fuel system potentially causing fuel starvation. Fuel starvation may result in an unexpected loss of motive power, which can cause a vehicle to crash without prior warning.” The vehicle’s failure aligns with this description. Dealer has not yet performed an HPFP inspection despite recall requirements. Request: NHTSA investigate whether fuel dilution and catastrophic failure are linked to the CP4 HPFP defect covered by these recalls.

NHTSA ODI 11688846

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. The manufacturer was notified of the failure and informed the contact that parts were on backorder and opened a case. The failure mileage was approximately 71,000.

NHTSA ODI 11683240

The Traction control light comes on while driving, once that happens it changes the performance of the vehicle it stays in one and it doesn’t allow you to do more then 43 at the most.

NHTSA ODI 11664067

Lifters are ticking. Yet another 3.6L Pentastar engine with the same issue, and no recall issued. Someone is going to die from this defect, if there haven't already been fatalities related to this problem.

NHTSA ODI 11654109

The contact owns a 2015 Jeep Grand Cherokee. The contact stated while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was towed to an independent mechanic where it was diagnosed that there was coolant intrusion into the engine, and that the left cylinder head and the A/C condenser needed to be replaced. The independent mechanic made the contact aware of an unknown recall; however, the VIN was not included. The vehicle was repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 73,000.

NHTSA ODI 11647415

Cylinder 2 misfire

NHTSA ODI 11643716

I was crossing a road to get to the median and my Jeep stopped moving in the middle of a 4 lane highway, separated by a median that I never made it to due to it stopping moving during acceleration. It made noise when I pressed on the gas pedal but didn’t go anywhere. I was hit by a car that couldn’t avoid me, and my daughter and I were injured in the crash. My daughter had a fracture in her right leg & facial bruising. I had a laceration requiring stitches and facial bruising, lost consciousness at the scene and am severely concussed. Progressive deemed my Jeep a total loss.

NHTSA ODI 11637847

Car keeps jumping to nutral and then dies in the middle of the highway. Have to wiat like 5mins before trying to start. Once it starts ill drive for like 15mins then I happens again. No codes nor e gine light to see what the issue is. I'm lost at the mo and need the vehicle for jobs. Help!!!!!

NHTSA ODI 11637110

The contact owns a 2015 Jeep Grand Cherokee. The contact stated while driving 5 MPH, the vehicle went into LIMP Mode. The check engine warning light and other unknown warning lights were illuminated. The contact received notification of NHTSA Campaign Number: 22V406000 (Fuel System, Diesel); however, the part to do the recall repair was not yet available. The local dealer was contacted. The vehicle was towed to the local dealer but was not diagnosed or repaired. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The failure mileage was approximately 97,000. Parts distribution disconnect.

NHTSA ODI 11627272

The engine overheated due a coolant leak causing head gasket failure. The engine will now most likely need to be replaced. The engine is 3.0 ecodeiesel which was part of the FCA settlement . There were no warning signs. Engine overheated with dealership while getting the fuel tank pump replaced. Dealer confirmed issue.

NHTSA ODI 11616914

The contact owns a 2015 Jeep Grand Cherokee. The contact stated while driving approximately 40 MPH, the vehicle lost motive power. The vehicle was taken to the local dealer where it was diagnosed that the throttle body, fuel sensors bank 1-1 and 1-2, crankshaft, and intake manifold needed to be replaced. The vehicle was not repaired. The approximate failure mileage was 124,471.

NHTSA ODI 11616697