NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
143 reportsMileage unknown · Aug 2, 2008
Engine And Engine CoolingStructure
EXCESSIVE RUST ON FRAME OF TRUCK, OIL LINES AND GAS LINES ARE CONSTANTLY RUSTING OUT. THE TRUCK IS A GMC K-2500 H D EXTENDED CAB, 2004 WITH 34,500 MILES ON IT. PRESENTLY WAITING FOR THE COOLING LINES FROM THE OIL FILTER TO THE RADIATOR WHICH ARE LEAKING OIL ON THE EXHAUST WHICH COULD CAUSE A FIRE, WHEN DRAINING OIL TO CHANGE IT …
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EXCESSIVE RUST ON FRAME OF TRUCK, OIL LINES AND GAS LINES ARE CONSTANTLY RUSTING OUT. THE TRUCK IS A GMC K-2500 H D EXTENDED CAB, 2004 WITH 34,500 MILES ON IT. PRESENTLY WAITING FOR THE COOLING LINES FROM THE OIL FILTER TO THE RADIATOR WHICH ARE LEAKING OIL ON THE EXHAUST WHICH COULD CAUSE A FIRE, WHEN DRAINING OIL TO CHANGE IT THE OIL [REMOVING THE PLUG] FOLLOWS ONTO THE HOT EXHAUST PIPE,ANOTHER FIRE HAZARD. WHAT CAN BE DONE, CAN'T AFFORD ANOTHER TRUCK NOW. *TR
NHTSA ODI #10236716
74,000 miles · Jul 17, 2008
Electrical System
SPEEDOMETER GIVES CRAZY READINGS AND NEVER GIVES ACCURATE SPEEDS. COST TO REPAIR IS $450 TO REPLACE THE WHOLE GAUGE CLUSTER. I HAVE SEEN HUNDREDS OF PEOPLE REPORTING THIS PROBLEM ON THE LOCAL DISCUSSION BOARDS. GM SHOULD FIX THIS INSTEAD OF MAKING MONEY OFF OF DEFECTIVE PARTS. *TR
NHTSA ODI #10234624
56,000 miles · Jun 23, 2008
Electrical System
THE SPEEDOMETER ON MY CLUSTER GAUGE OF MY 2004 GMC SIERRA 2500HD WENT BAD. BOTH MY FATHER AND BROTHER HAVE 2004 CHEVY SILVERADOS 2500HD AND THEY BOTH RECEIVED A LETTER SAYING THAT THERE IS A DEFECT IN THE GAUGE CLUSTER AND BOTH OF THEM HAD THEIR SPEEDOMETERS GO BAD AND CHEVY FIXED THEM. OF COURSE MINE ALSO GOES BAD AND WHEN I …
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THE SPEEDOMETER ON MY CLUSTER GAUGE OF MY 2004 GMC SIERRA 2500HD WENT BAD. BOTH MY FATHER AND BROTHER HAVE 2004 CHEVY SILVERADOS 2500HD AND THEY BOTH RECEIVED A LETTER SAYING THAT THERE IS A DEFECT IN THE GAUGE CLUSTER AND BOTH OF THEM HAD THEIR SPEEDOMETERS GO BAD AND CHEVY FIXED THEM. OF COURSE MINE ALSO GOES BAD AND WHEN I TAKE IT TO A GMC DEALER THEY SAY THERE IS NO RECALL OR DEFECT KNOWN AND WILL NOT FIX THE PROBLEM AND NOW I AM DRIVING WITHOUT A WORKING SPEEDOMETER WHEN GMC SHOULD FIX THE DEFECT IN MINE. I KNEW THE CLUSTER MUST HAVE BEEN GOING OUT SOON BECAUSE A MONTH PRIOR THE CLUSTER WOULD RANDOMLY RESET MY TOTAL ENGINE HOURS SO NOW I WILL NEVER EVEN KNOW HOW MANY ENGINE HOURS ON MY TRUCK EVEN WHEN I DO GET IT FIXED. I HAVE LESS THAN 60K MILES. *TR
NHTSA ODI #10231981
27,000 miles · Jun 21, 2008
Electrical System
INSTRUMENT CLUSTER MALFUNCTION. TO THE BEST OF MY KNOWLEDGE THE ONLY GAUGES WORKING PROPERLY ARE THE TACHOMETER AND FUEL GAUGE. IT BEGAN WITH INTERMITTENT SPEEDOMETER MALFUNCTION. TOOK IT IN AS WARRANTY WORK BUT THE SERVICE DEPT. COULD NOT DUPLICATE THE ISSUE. AFTER THE WARRANTY EXPIRED THE ISSUE RESURFACED. I ASKED ABOUT ANY RE…
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INSTRUMENT CLUSTER MALFUNCTION. TO THE BEST OF MY KNOWLEDGE THE ONLY GAUGES WORKING PROPERLY ARE THE TACHOMETER AND FUEL GAUGE. IT BEGAN WITH INTERMITTENT SPEEDOMETER MALFUNCTION. TOOK IT IN AS WARRANTY WORK BUT THE SERVICE DEPT. COULD NOT DUPLICATE THE ISSUE. AFTER THE WARRANTY EXPIRED THE ISSUE RESURFACED. I ASKED ABOUT ANY RECALLS OR COMPLAINTS REGARDING THE CLUSTER GAUGES MALFUNCTIONING AT EVERY VISIT FOR SERVICE. NO RECALLS OR COMPLAINTS RECEIVED ACCORDING TO THEM. DID SOME RESEARCH ON THE SUBJECT. FOUND A FEW SIMILAR COMPLAINTS IN BLOGS BUT NO ACTION FROM GM. THE PROBLEM BEGAN TO CASCADE AND SOON ALL GAUGES EXCEPT FOR THE TACH AND FUEL BEGAN TO FAIL. NOT FIX AS OF YET. GM HAS A NOTICE OUT ON IT BUT REFUSES TO REPAIR MY TRUCK DUE TO HAVING TOO MANY MILES. THEY EVEN FOUND DOCUMENTATION AT THE DEALERSHIP SERVICE DEPT. FOR THE ORIGINAL SPEEDOMETER MALFUNCTION BUT THEY STATE IT WASN'T A STRONG ENOUGH COMPLAINT. *TR
NHTSA ODI #10231918
129,000 miles · May 6, 2008
Fuel System, Diesel
FUEL LEAK. FUEL PUMP LEAKING CAUSE FUEL TO BE SPEW OUT OVER ENGINE AND UNDER CARRIAGE. *TR
NHTSA ODI #10226827
20,000 miles · Apr 21, 2008
Service Brakes, Hydraulic
WHEN SLOWING USING THE BRAKE SYSTEM, THE VEHICLE ACTUALLY LOSES BRAKING EFFECTIVENESS FOR A SHORT TIME (LESS THAN 1 SECOND) JUST BEFORE THE VEHICLE ACTUALLY STOPS- AT ABOUT 3 TO 5 MPH. THE IS THEN A PULSING FEEL IN THE BRAKE PEDAL AND THE VEHICLE THEN STOPS. THE POINT IS THAT THERE IS ACTUALLY A MOMENTARY LOSS OF BRAKING EFFECT…
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WHEN SLOWING USING THE BRAKE SYSTEM, THE VEHICLE ACTUALLY LOSES BRAKING EFFECTIVENESS FOR A SHORT TIME (LESS THAN 1 SECOND) JUST BEFORE THE VEHICLE ACTUALLY STOPS- AT ABOUT 3 TO 5 MPH. THE IS THEN A PULSING FEEL IN THE BRAKE PEDAL AND THE VEHICLE THEN STOPS. THE POINT IS THAT THERE IS ACTUALLY A MOMENTARY LOSS OF BRAKING EFFECTIVENESS IN THE LAST FEW MOMENTS OF A NORMAL STOP. FORTUNATELY, THEM, ONLY "LOW SPEEDS" ARE INVOLVED; UNFORTUNATELY, THIS IS VERY UNSETTLING WHEN STOPPING AT A BUSY INTERSECTION OR IN CONGESTED TRAFFIC. IT LEAVES ONE WONDERING IF/WHEN THE BRAKE FUNCTION WILL ACTUALLY FAIL ALTOGETHER. I HAD THE PROBLEM INVESTIGATED BY MY DEALER AND WAS TOLD THAT IT INVOLVED THE ANTI LOCK SENSORS WHICH MAY BE FIXED BY CLEANING. IF THAT WOULDN'T FIX THE PROBLEM, THE SENSORS WOULD HAVE TO BE REPLACED. COSTS: CLEANING $160; REPLACEMENT: $1250. CLEANING DID NOT CORRECT THE PROBLEM. *TR
NHTSA ODI #10225210
74,000 miles · Mar 22, 2008
Electrical System
SPEEDOMETER SHOWS INCORRECT READINGS. AT TIMES IT WILL SHOW OVER 100MPH WHILE AT NORMAL HIGHWAY SPEEDS. OTHER TIMES IT WILL READ AROUND 60 WHILE DRIVING AT LEAST 80 -90 (FROM RATE OF PASSING OTHER DRIVERS ON HIGHWAY). THIS IS A VERY DANGEROUS SITUATION. APPARENTLY GM WILL REPAIR AT NO COST BUT ONLY IF LESS THAN 70K MILES. T…
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SPEEDOMETER SHOWS INCORRECT READINGS. AT TIMES IT WILL SHOW OVER 100MPH WHILE AT NORMAL HIGHWAY SPEEDS. OTHER TIMES IT WILL READ AROUND 60 WHILE DRIVING AT LEAST 80 -90 (FROM RATE OF PASSING OTHER DRIVERS ON HIGHWAY). THIS IS A VERY DANGEROUS SITUATION. APPARENTLY GM WILL REPAIR AT NO COST BUT ONLY IF LESS THAN 70K MILES. THIS VEHICLE BEGAN TO SHOW PROBLEM AROUND 74K MILES. *TR
NHTSA ODI #10222045
Mileage unknown · Feb 27, 2008
Electrical System
2004 GMC 2500 INSTRUMENT PANEL DEFECT CONCERNING GAUGES. CONSUMER STATES THAT THE GAUGES STICK AND THE MANUFACTURER SENT OUT A LETTER STATING THIS PROBLEM AND A SOLUTION AS LONG AS THE VEHICLE HAD LESS THAN 70, 000 MILES OR 7 YEARS OLD. *KB THE CONSUMER STATED THE RESTRICTION ON THE TIME/MILEAGE WAS UNREASONABLE FOR ANY PERSON…
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2004 GMC 2500 INSTRUMENT PANEL DEFECT CONCERNING GAUGES. CONSUMER STATES THAT THE GAUGES STICK AND THE MANUFACTURER SENT OUT A LETTER STATING THIS PROBLEM AND A SOLUTION AS LONG AS THE VEHICLE HAD LESS THAN 70, 000 MILES OR 7 YEARS OLD. *KB THE CONSUMER STATED THE RESTRICTION ON THE TIME/MILEAGE WAS UNREASONABLE FOR ANY PERSON WHO LIVES IN RURAL AMERICA. THE CONSUMER STATED PEOPLE DRIVE AN AVERAGE OF 15,000-20,000 MILES PER YEAR.*JB
NHTSA ODI #10219513
63,000 miles · Feb 12, 2008
Electrical SystemFire
TL*THE CONTACT OWNS A 2004 GMC SIERRA 2500. THE CONTACT WAS WARMING UP HIS VEHICLE WITH A PORTABLE COMPRESSOR HOOKED UP TO THE AUXILIARY POWER IN THE CENTER OF THE DASHBOARD TO INFLATE A TIRE. HE NOTICED SMOKE NEAR THE WINDSHIELD ON THE DRIVER'S SIDE. THE CONTACT UNPLUGGED THE COMPRESSOR, SHUT OFF THE VEHICLE, OPENED THE HOOD…
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TL*THE CONTACT OWNS A 2004 GMC SIERRA 2500. THE CONTACT WAS WARMING UP HIS VEHICLE WITH A PORTABLE COMPRESSOR HOOKED UP TO THE AUXILIARY POWER IN THE CENTER OF THE DASHBOARD TO INFLATE A TIRE. HE NOTICED SMOKE NEAR THE WINDSHIELD ON THE DRIVER'S SIDE. THE CONTACT UNPLUGGED THE COMPRESSOR, SHUT OFF THE VEHICLE, OPENED THE HOOD, AND DISCONNECTED THE BATTERY. THE FRONT OF THE VEHICLE, UNDERNEATH THE DASHBOARD AND THE CABIN WERE ENGULFED IN FLAMES. THE FIRE DEPARTMENT EXTINGUISHED THE FIRE. THERE WERE NO INJURIES. A POLICE REPORT WAS FILED. THE CURRENT AND FAILURE MILEAGES WERE 63,000.
NHTSA ODI #10217784
Mileage unknown · Jan 31, 2008
Electrical SystemFire
TL*THE CONTACT OWNS A 2004 GMC SIERRA 2500 HD. WHILE DRIVING 55 MPH, THE VEHICLE BEGAN SMOKING NEAR THE GLOVE BOX. THE PLASTIC COATING ON THE WIRES BEGAN DRIPPING, MELTING, AND SPARKING. THE VEHICLE THEN BECAME ENGULFED IN FLAMES AND WAS DESTROYED. A POLICE AND FIRE REPORT WAS FILED. THE CONTACT HAS PICTURES. THE MILEAGES …
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TL*THE CONTACT OWNS A 2004 GMC SIERRA 2500 HD. WHILE DRIVING 55 MPH, THE VEHICLE BEGAN SMOKING NEAR THE GLOVE BOX. THE PLASTIC COATING ON THE WIRES BEGAN DRIPPING, MELTING, AND SPARKING. THE VEHICLE THEN BECAME ENGULFED IN FLAMES AND WAS DESTROYED. A POLICE AND FIRE REPORT WAS FILED. THE CONTACT HAS PICTURES. THE MILEAGES WERE UNKNOWN.
NHTSA ODI #10216613