NHTSA Complaint #11373874 — 2012 JEEP GRAND CHEROKEE
ENGINE issue reported to NHTSA
Complaint Details
| ODI Number | 11373874 |
| Vehicle | 2012 JEEP GRAND CHEROKEE |
| Component | ENGINE |
| Date of Incident | |
| Date Filed | |
| Mileage | 93,800 miles |
| Crash | No |
| Fire | No |
| Injuries | 0 |
| Deaths | 0 |
| Vehicle Towed | No |
| State | CA |
Consumer Description
THE ENGINE LIGHT IS ILLUMINATED SO WE TOOK IT FOR DIAGNOSIS TO A JEEP/CHRYSLER DEALERSHIP FOR DIAGNOSIS. THE DIAGNOSIS FOR MY VEHICLE IS LOW COMPRESSION IN CYLINDERS #1 AND #2 CAUSING A MISFIRE. THE CODE IS P0302. THE IRONY OF THIS DIAGNOSIS IS THAT CHRYSLER KNOWS ALL ABOUT THIS PROBLEM AND HAS ISSUED A CYLINDER HEAD EXTENSION WARRANTY FOR ONLY THE LEFT SIDE OF THE ENGINE. MEANING THAT CHRYSLER WILL REPAIR THE LEFT SIDE (UNDER WARRANTY) BUT WILL NOT WARRANTY THE RIGHT SIDE OF THE ENGINE THAT SUFFERS FROM THE SAME PROBLEM. CYLINDER #1 IS COVERED BY THE EXTENDED WARRANTY 10 YEARS 150,000 MILES AND CYLINDER #2 WAS COVERED UNDER THE ORIGINAL POWER TRAIN 5 YEARS 100,000 MILES AND WE ARE STILL UNDER 100,000 MILES ON THE VEHICLE. UNUSUAL WEAR AND FAILURE IN THE UPPER CYLINDERS AND VALVES ARE PERVASIVE PROBLEMS WITH 2011-13 JEEP GRAND CHEROKEES WITH THIS ENGINE I WAS ADVISED BY THE TECHNICIAN AT LARRY MILLER CHRYSLER THAT LKQ AND C&K DO NOT OFFER AFTERMARKET ENGINES FOR THIS MAKE AND MODEL SO THE FACTORY MOTOR SEEMS TO BE OUR ONLY HOPE. WE HAVE SUBMITTED A CLAIM TO CHRYSLER CORP AND AM GETTING THEIR "GENERIC AUTOMATIC EMAIL THAT STATES OUR CLAIN HAS BEEN CLOSED". ONE REPRESENTIVAE EVEN ASKED US TO SUBMIT THE STAMPED WORK ORDER AND ANY RECEIPTS, WHICH WE DID 10 DAYS AGO. TODAY WE CALLED TO ASK ABOUT OUR CLAIM AND ARE BEING TOLD IT HAS BEEN CLOSED AND THEY HAVE NOT GOVEN US ANY EXPLANATION OTHER THAN IT IS OUTSIDE THE WARRANTY. HOW CAN 1 SIDE OF THE ENGINE BE COVERED BUT THE OTHER SIDE IS NOT? WE BASICALLY HAVE TO PAY FOR A WHOLE NEW ENGINE AND LABOR COSTS TO THE TUNE OF $8,000. THIS VEHICLE HAS ALREADY HAD MULTIPLE RECALLS AND REPAIRS AND WE ARE DEVASTATED AT THIS POINT BECAUSE THIS ENGINE ISSUE IS EMOTIONALLY AND FINANCIALLY RUINING OUR FAMILY.
Related Complaints for the 2012 JEEP GRAND CHEROKEE
Other ENGINE Complaints
#11718744
The contact owns a 2012 Jeep Grand Cherokee. The contact stated that while driving approximately 5 MPH, the brake ped...
#11711989
All dashboard lights came on while cherokee shut off on the parkway yet allowing me to steer to the side shoulder. I...
#11711550
I brought my vehicle to the Jeep of concord for a fuel pump relay recall and oil change on 11/12/25. Prior to 11/12 t...
#11706652
Two similar incidents to report during week of Dec 15th 2025 on surface streets: Was driving 25 mph when 2012 Jeep G...
#11704916
The cuts off in the Middle of the street in front of a school .The vehicle will not start up.I try to Crank it on veh...
Recent Complaints for the 2012 JEEP GRAND CHEROKEE
#11718744
ELECTRICAL SYSTEM
The contact owns a 2012 Jeep Grand Cherokee. The contact stated that while driving approximately 5 MPH, the brake ped...
#11718744
SERVICE BRAKES
The contact owns a 2012 Jeep Grand Cherokee. The contact stated that while driving approximately 5 MPH, the brake ped...
#11711989
ELECTRICAL SYSTEM
All dashboard lights came on while cherokee shut off on the parkway yet allowing me to steer to the side shoulder. I...
#11711989
FUEL/PROPULSION SYSTEM
All dashboard lights came on while cherokee shut off on the parkway yet allowing me to steer to the side shoulder. I...