Problems · by component

2003 Jeep Grand Cherokee engine and engine cooling problems

42 owner complaints to NHTSA about the 2003 Jeep Grand Cherokee cite engine and engine cooling, 6% of all 761 complaints for this model year.

Complaints
42
6% of all complaints
Crashes
0
Reported by owners
Fires
1
Reported by owners
Injuries
1
Reported by owners
01 —Owner reports

What owners say about the engine and engine cooling

Verbatim from NHTSA complaints, newest first
“TL* THE CONTACT OWNS A 2003 JEEP GRAND CHEROKEE. THE CONTACT RECEIVED A RECALL NOTIFICATION FOR NHTSA CAMPAIGN NUMBER: 15V054000 (AIR BAGS) AND STATED THAT THE PART NEEDED WAS UNAVAILABLE TO PERFORM THE RECALL REPAIR. THE MANUFACTURER WAS NOTIFIED OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. UPDATED 7/21/15*CN THE CONSUMER EXPERIENCED A PROBLEM WITH THE RADIATOR, HEAT SENSOR, BRAKES AND TIRES. UPDATED 07/28/15*JB”
Owner complaint to NHTSAFiled Apr 16, 2015Service brakes, hydraulic, Engine and engine cooling, Air bags, TiresODI 10706084
“TL* THE CONTACT OWNS A 2003 JEEP GRAND CHEROKEE. WHILE DRIVING VARIOUS SPEEDS, THE CHECK ENGINE INDICATOR ILLUMINATED INTERMITTENTLY. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC AND THE DEALER FOR DIAGNOSTIC TESTING. THE ENGINE COOLING FAN RELAY SWITCH WAS REPLACED FOUR TIMES. THE VEHICLE WAS NOT REPAIRED AND THE MANUFACTURER WAS NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 154,000.”
Owner complaint to NHTSAFiled Aug 11, 2014Engine and engine coolingODI 10621498
“TL* THE CONTACT OWNS A 2003 JEEP GRAND CHEROKEE. THE CONTACT STATED THAT WHILE BLEEDING THE BRAKES, THE COOLING FAN ACTIVATED WHILE THE VEHICLE WAS OFF. THE CONTACT SUSTAINED CUTS TO THE ARM. THE CONTACT SPOKE WITH THE MANUFACTURER BECAUSE THERE WAS A RECALL FOR THE COOLING FAN UNDER NHTSA RECALL CAMPAIGN ID NUMBER: 06V199000 (ENGINE AND ENGINE COOLING) BUT THE MANUFACTURER STATED THAT THE VEHICLE WAS NOT INCLUDED IN THE RECALL. THE FAILURE MILEAGE WAS 118,000. *TR”
Owner complaint to NHTSAFiled Apr 15, 2013Engine and engine cooling, EngineODI 10508225
“TL* THE CONTACT OWNS A 2003 JEEP GRAND CHEROKEE. WHILE DRIVING APPROXIMATELY 5 MPH, THE TEMPERATURE INCREASED AND THE VEHICLE WAS CLOSE TO OVERHEATING. THE CONTACT INSPECTED THE VEHICLE AND DISCOVERED THAT THE FAN MOTOR WAS NOT FUNCTIONING. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING WHERE THE MECHANIC REPLACED THE FAN MOTOR. THE FAILURE RECURRED TWICE AFTER THE REPAIR. THE VEHICLE WAS NOT FURTHER REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 107,000.”
Owner complaint to NHTSAFiled Apr 30, 2012Engine and engine coolingODI 10456939
“WHILE STOPPED AT A TRAFFIC LIGHT MY JEEP STARTED TO ACCELERATE AND, EVEN WITH THE BRAKE PEDAL FULLY DEPRESSED, SURGED FORWARD. THIS HAS HAPPENED NUMEROUS TIMES IN THE PAST WEEK BOTH AT TRAFFIC LIGHTS AND AT STOP SIGNS, ALWAYS WHILE STOPPED. THE RPMS HAVE INCREASED TO BETWEEN 1,500 AND 4,500. THE JEEP DEALER ATTEMPTED TO FIX IT ON TUESDAY, HOWEVER THE PROBLEM RE-OCCURRED ON MY WAY HOME AND AGAIN WITH A MECHANIC IN THE VEHICLE WHEN I BROUGHT IT BACK. TO DATE, THE CAR IS STILL AT THE DEALER AND HAS NOT BEEN FIXED. *TR”
Owner complaint to NHTSAFiled Jan 27, 2012Service brakes, hydraulic, Engine and engine coolingODI 10445566
“TL* THE CONTACT OWNS A 2003 JEEP GRAND CHEROKEE LAREDO. THE CONTACT WAS DRIVING APPROXIMATELY 50 MPH WHEN THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE WAS LATER TOWED TO AN INDEPENDENT MECHANIC WHERE THEY ADVISED THE CONTACT THAT THEY WERE UNABLE TO DIAGNOSE THE FAILURE. THE MANUFACTURER WAS CONTACTED AND THEY OFFERED NO ASSISTANCE. THE FAILURE AND THE CURRENT MILEAGE WAS APPROXIMATELY 120,000.”
Owner complaint to NHTSAFiled Jan 18, 2012Engine and engine coolingODI 10444395

Showing 6 of 42 reports. Read every report on NHTSA.gov.

Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026NHTSA vehicle page

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.