NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
137 reports160,000 miles · Jan 17, 2012
Fuel System, GasolinePower Train
I BOUGHT MY 1999 GMC JIMMY WHEN I WAS 16, I LOVED IT 4X4 BUT THE TRANSFER CASE LOCKED UP AND THE ENGINE LIGHT CAME ON CAUSING THE THING NOT TO READ HOW MUCH GAS I HAVE AND NOT ALLOWING IT TO PASS INSPECTION. YES ITS OLD BUT IT SHOULDN'T OF MADE THE E-VAP SYSTEM DO THAT AND THE PROBLEM IS WHEN IT DOSE DO THIS YOUR WASTING GAS L…
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I BOUGHT MY 1999 GMC JIMMY WHEN I WAS 16, I LOVED IT 4X4 BUT THE TRANSFER CASE LOCKED UP AND THE ENGINE LIGHT CAME ON CAUSING THE THING NOT TO READ HOW MUCH GAS I HAVE AND NOT ALLOWING IT TO PASS INSPECTION. YES ITS OLD BUT IT SHOULDN'T OF MADE THE E-VAP SYSTEM DO THAT AND THE PROBLEM IS WHEN IT DOSE DO THIS YOUR WASTING GAS LIKE CRAZY CAUSING YOU TO RUN OUT OF GAS IN DANGER SPOTS WHILE DRIVING. RECALL THE 1999 GMC JIMMY FOR THE E-VAP SYSTEM. COST TO REPAIR BY OWNER USED $499.00 NEW $699.00 WITH OUT LABOR. *TR
NHTSA ODI #10444022
145,000 miles · Nov 10, 2011
Service Brakes, Hydraulic
BRAKE LINE FAILED AND NOW NOTICED ALL BRAKE LINES ARE RUSTED ABOUT 2 FEET FROM THE ABS WHERE THEY MEET AT TO ROUTE DOWN TO THE FRAME RAILS. *TR
NHTSA ODI #10435226
20,000 miles · Jun 18, 2011
Parking Brake
DRUM IN HAT STYLE PARKING BRAKE 'WORE OUT' AFTER ONLY ABOUT 18 MONTHS. THE FAILURE OCCURRED INCREMENTALLY DURING THE PERIOD AS THE PEDAL GRADUALLY HAD TO BE DEPRESSED FURTHER AND FURTHER TO BE EFFECTIVE. DEALER REPLACED ONLY SHOES UNDER WARRANTY. ONE YEAR LATER, AFTER THE SAME GRADUAL DECLINE IN PERFORMANCE MENTIONED ABOVE, TH…
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DRUM IN HAT STYLE PARKING BRAKE 'WORE OUT' AFTER ONLY ABOUT 18 MONTHS. THE FAILURE OCCURRED INCREMENTALLY DURING THE PERIOD AS THE PEDAL GRADUALLY HAD TO BE DEPRESSED FURTHER AND FURTHER TO BE EFFECTIVE. DEALER REPLACED ONLY SHOES UNDER WARRANTY. ONE YEAR LATER, AFTER THE SAME GRADUAL DECLINE IN PERFORMANCE MENTIONED ABOVE, THE PARKING BRAKE LOST FUNCTIONALITY AGAIN. DEALER CLAIMED NEGLECT ON OUR PART BY LEAVING THE BRAKE ENGAGED WHILE DRIVING EVEN THOUGH THE GRADUAL NATURE OF THE FAILURE COULD BE CONSIDERED EVIDENCE TO THE CONTRARY. A CABLE ADJUSTMENT WAS MADE WHICH DID RESTORE PARTIAL FUNCTIONALITY. YET EVEN THOUGH WE EMPLOYED JUDICIOUS USE OF THE BRAKE FROM THEN ON, THE REPAIR LASTED ONLY A FEW YEARS. WE HAVE HAD NO FUNCTIONALITY FOR SEVERAL YEARS NOW BELIEVING THAT SOME FLAW IN THE DESIGN MADE THEM NON-REPAIRABLE. RECENTLY IT HAS COME TO OUR ATTENTION THAT THIS BRAKE SYSTEM (DRUM IN HAT MANUFACTURED BY TRW) HAS HAD SIMILAR ISSUES IN OTHER GMC PRODUCTS IN WHICH IT HAS BEEN EMPLOYED AND COMPLAINTS HAVE BEEN FILED (NHTSA ITEM #1006115, SERVICE BULLETIN #020526001B FOR EXAMPLE). ALSO WE DISCOVERED THAT AN ACTUAL RECALL HAD BEEN ISSUED (NHTSA RECALL CAMPAIGN #05V161000) APPARENTLY FOR THE SAME TRW BRAKE SYSTEM IN THE GMC SIERRA (MODEL YEARS 1999 THRU 2005). APPARENTLY IT HAS BEEN THEORIZED THAT THESE BRAKES ARE FAILING BECAUSE THE SHOES ARE NOT BEING ADEQUATELY DISENGAGED FROM THE DRUM DUE TO SOME DEFECT IN THE RETURN MECHANISM. WE FEEL THAT THE GRADUAL NATURE OF THE FAILURE, THE SERVICE BULLETINS WHICH TARGET INADEQUATE RETURN SPRING TENSION, THE VARIETY OF GMC MODELS INVOLVED AND FINALLY OUR OWN (NOT PROVABLE) BELIEF THAT THE CAUSE OF THESE REPEATED FAILURES IS NOT FROM DRIVING WITH THE PARKING BRAKE SET WARRANT FURTHER INVESTIGATION. NOW THAT THERE IS A PROPER FIX AVAILABLE FOR THIS SEEMINGLY OBVIOUS DEFECT, I INTEND TO HAVE IT DONE. THANK YOU FOR YOUR TIME. *TR
NHTSA ODI #10407366
92,000 miles · Jun 4, 2010
Air BagsCrashInjury
I WAS INVOLVED IN CAR CRASH MY 1999 JIMMY WAS TOTAL THE FRONT END WAS COMPLETELY SMASH IN TO THE GLOVE DEPARTMENT AND MY AIR BAGS DID NOT COME DEPLOY AND THE MAN WHERE IT WAS TOWED SAID SHOULD CHECK IT OUT AS HARD AS IT WAS HIT THEY SHOULD HAVE DEPLOYED. *TR
NHTSA ODI #10334600
Mileage unknown · Feb 14, 2010
Power TrainCrash
1999 GMC JIMMY. TRANSMISSION ISSUES. NEW TRANNY NEEDS TO BE REBUILT BY 80,000 MILES. SEATS AND STRUCTURE OF HANDLES BREAK EASILY AND LAST FOR MAYBE 35,000, NEW HUBS REQUIRED BY 40,000, BAIL JOINTS FAIL WITHOUT WARNING CREATING SERIOUS ROAD HAZARDS, ALTERNATOR FAILURE, UJOINT FAILURE. ALL PARTS REPLACED BETWEEN 35,000 AND 80,00…
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1999 GMC JIMMY. TRANSMISSION ISSUES. NEW TRANNY NEEDS TO BE REBUILT BY 80,000 MILES. SEATS AND STRUCTURE OF HANDLES BREAK EASILY AND LAST FOR MAYBE 35,000, NEW HUBS REQUIRED BY 40,000, BAIL JOINTS FAIL WITHOUT WARNING CREATING SERIOUS ROAD HAZARDS, ALTERNATOR FAILURE, UJOINT FAILURE. ALL PARTS REPLACED BETWEEN 35,000 AND 80,000 TO THE TUNE OF $11,000 YET NO RECALLS DESPITE MECHANICS CLAIMING THESE ARE RECURRING PROBLEMS IN THESE VEHICLES. NEVER BUY A GMC AGAIN. *TR
NHTSA ODI #10310271
Mileage unknown · Jul 3, 2009
Electrical SystemExterior Lighting
MULTIFUNCTION SWITCH FAILURE 1999 GMC JIMMY. RECALL ON OTHER YEAR(S) 1999 EXCLUDED. *TR
NHTSA ODI #10275691
Mileage unknown · Oct 1, 2008
Latches/locks/linkagesStructure
THE FRONT DOORS DO NOT STAY OPEN WHEN ON AN INCLINE, SUCH AS MY DRIVEWAY. YOU HAVE TO MAKE SURE IT CATCHES BEFORE YOU GET OUT, BUT THEN IF YOU DON'T GET OUT REAL SLOW IT WILL CLOSE ON YOU. THE CATCH IS NOT DEEP ENOUGH. I HAVE HAD MY LEG SLAMMED IN IT MANY TIMES. I NEVER KNEW THERE WAS A PLACE TO REPORT IT UNTIL I CAME ACROSS…
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THE FRONT DOORS DO NOT STAY OPEN WHEN ON AN INCLINE, SUCH AS MY DRIVEWAY. YOU HAVE TO MAKE SURE IT CATCHES BEFORE YOU GET OUT, BUT THEN IF YOU DON'T GET OUT REAL SLOW IT WILL CLOSE ON YOU. THE CATCH IS NOT DEEP ENOUGH. I HAVE HAD MY LEG SLAMMED IN IT MANY TIMES. I NEVER KNEW THERE WAS A PLACE TO REPORT IT UNTIL I CAME ACROSS THIS SITE LOOKING FOR CHILD CAR SEAT SAFETY REPORTS. MY HUSBAND HAS LISTENED TO ME COMPLAIN ABOUT IT EVER SINCE WE BOUGHT THE CAR. *TR
NHTSA ODI #10244093
141,200 miles · Sep 11, 2008
Exterior Lighting
LOSS OF STOP LIGHTS AND REAR HAZARD LIGHTS. THIS IS THE THIRD OCCURRENCE FOR THIS PARTICULAR VEHICLE. EACH TIME I HAVE HAD TO HAVE THE MULTI-FUNCTION SWITCH REPLACED AT A COST OF $395-439. THIS DEFECT IS ADDRESSED IN CAMPAIGN # 01V364000 FOR 200 AND 2001, BUT NOT MY 1999. ALL USE THE SAME GM PART NUMBER. *TR
NHTSA ODI #10241861
137,000 miles · Jul 5, 2008
Electrical System
UPON STARTING THE VEHICLE THE KEY WOULD NOT RETURN FROM THE START POSITION TO THE RUN POSITION IN THE IGNITION. THIS LED TO THE STARTER TRYING TO START THE ENGINE CONTINUOUSLY WITH THE ENGINE ALREADY RUNNING UNTIL I PUT THE SHIFTER IN THE DRIVE OR REVERSE POSITION. THE ENGINE WOULD NOT TURN OFF UNTIL I TOOK OUT THE FUSE FOR TH…
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UPON STARTING THE VEHICLE THE KEY WOULD NOT RETURN FROM THE START POSITION TO THE RUN POSITION IN THE IGNITION. THIS LED TO THE STARTER TRYING TO START THE ENGINE CONTINUOUSLY WITH THE ENGINE ALREADY RUNNING UNTIL I PUT THE SHIFTER IN THE DRIVE OR REVERSE POSITION. THE ENGINE WOULD NOT TURN OFF UNTIL I TOOK OUT THE FUSE FOR THE FUEL PUMP. THE STARTER WOULD NOT DISENGAGE UNTIL I TOOK OUT THE FUSE FOR THE STARTER. THESE FUSES ARE LOCATED IN THE ENGINE COMPARTMENT. THIS HAD TO BE DONE WITH THE VEHICLE IN DRIVE AND WITH THE PARKING BRAKES ON. I BELIEVE THIS IS RELATED TO A PROBLEM WITH THE WIRING HARNESS THAT CONNECTS THE FLOOR SHIFTER TO THE IGNITION CYLINDER LOCK SYSTEM. TALKING TO OTHER OWNERS OF THIS MODEL VEHICLE, SEVERAL OF THEM HAVE EXPERIENCED PROBLEMS WITH THEIR KEYS BEING STUCK IN THE IGNITION. THE VEHICLE IS CURRENTLY PARKED WITH THE BATTERY DISCONNECTED AND THE KEY STUCK IN THE START POSITION UNTIL I CAN GET IT FIXED. *TR
NHTSA ODI #10233239
114,000 miles · Jun 17, 2008
Engine And Engine Cooling
MY MOTHER JUST TOLD ME THAT THERE IS A CLASS ACTION SUIT AT WWW.DEXCOOLSETTLEMENT.COM REGARDING DEXCOOL COOLANT CORRODING THE RADIATOR AND OTHER PARTS DUE TO THIS COOLANT. ACCORDING TO THIS COMPLAINT, GMC DOES NOT ADMIT FAULT. I HAVE A 1999 JIMMY THAT HAS 114,000 MILES, AND IN THE LAST MONTH I'VE HAD TO REPLACE THE RADIATOR $1…
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MY MOTHER JUST TOLD ME THAT THERE IS A CLASS ACTION SUIT AT WWW.DEXCOOLSETTLEMENT.COM REGARDING DEXCOOL COOLANT CORRODING THE RADIATOR AND OTHER PARTS DUE TO THIS COOLANT. ACCORDING TO THIS COMPLAINT, GMC DOES NOT ADMIT FAULT. I HAVE A 1999 JIMMY THAT HAS 114,000 MILES, AND IN THE LAST MONTH I'VE HAD TO REPLACE THE RADIATOR $1,000.00, WATER PUMP $800.00 AND NOW THEY WANT ME TO REPLACE THE INTAKE MANIFOLD GASKETS $700. ACCORDING TO THE SUIT YOU HAVE TO HAVE HAD THIS PROBLEM WITHIN THE FIRST SEVEN YEARS OF THE DELIVERY DATE. UNFORTUNATELY I TOOK DELIVERY AFTER THE LEASE WAS UP AT 36,000 MILES. I PURCHASED IT IN 2002. IS THERE ANY RECALL ON THIS MATTER SO I COULD BE REFUNDED THE AMOUNT ON THIS DEFECT? *TR
NHTSA ODI #10231391