NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
101 reports120,000 miles · May 25, 2011
Engine And Engine CoolingPower Train
GM 2004 1500HD TRUCK: GM CAN'T FIX THE REDUCE ENGINE POWER PROBLEM. THE CODE THAT THEY CAN'T FIX KEEPS SAYING ITS THE THROTTLE BODY SENSOR. I HAVE HAD GM DEALER TRY TO FIX WHAT THIS CODE IS TELLING THEM BUT STILL HAVE THE PROBLEM. BASED OFF RESEARCH THIS IS A MAJOR PROBLEM WITH MANY OTHER GM TRUCK OWNERS. WHEN THIS SENSOR LI…
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GM 2004 1500HD TRUCK: GM CAN'T FIX THE REDUCE ENGINE POWER PROBLEM. THE CODE THAT THEY CAN'T FIX KEEPS SAYING ITS THE THROTTLE BODY SENSOR. I HAVE HAD GM DEALER TRY TO FIX WHAT THIS CODE IS TELLING THEM BUT STILL HAVE THE PROBLEM. BASED OFF RESEARCH THIS IS A MAJOR PROBLEM WITH MANY OTHER GM TRUCK OWNERS. WHEN THIS SENSOR LIGHT COMES ON & DISPLAYS REDUCE ENGINE POWER THE TRUCK BASICALLY SHUTS DOWN. I'VE HAD THIS HAPPEN RUNNING IN THE LEFT LANE OF A MAJOR HWY AND ALMOST GOT RUN OVER. PLEASE HAVE GM DO SOMETHING ABOUT THIS PROBLEM BECAUSE I'M SURE IF IT HASN'T KILLED ANYONE YET IT WILL. ONLY THING DIFFERENT BETWEEN THE TOYOTA PROBLEM AND THE GM PROBLEM IS ONE SPEEDS UP AND THE OTHER SLOWS DOWN TO 20MPH. AS I HAVE STATED THIS PROBLEM HAPPENS A LOT SO DON'T PAY ATTENTION TO THE INCIDENT DATE I HAD TO ENTER. *TR
NHTSA ODI #10402737
75,000 miles · May 4, 2011
Electrical SystemFuel System, Gasoline
TL*THE CONTACT OWNS A 2003 CHEVROLET SILVERADO 1500 HD. THE CONTACT STATED THE FUEL GAUGE INTERMITTENTLY DISPLAYED IMPROPER READINGS OF EMPTY AND FULL. THE CONTACT ALSO STATED THE SPEEDOMETER INTERMITTENTLY DISPLAYED IMPROPER SPEED READINGS. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE CONTACT WAS TOLD THE INSTRUMENT …
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TL*THE CONTACT OWNS A 2003 CHEVROLET SILVERADO 1500 HD. THE CONTACT STATED THE FUEL GAUGE INTERMITTENTLY DISPLAYED IMPROPER READINGS OF EMPTY AND FULL. THE CONTACT ALSO STATED THE SPEEDOMETER INTERMITTENTLY DISPLAYED IMPROPER SPEED READINGS. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE CONTACT WAS TOLD THE INSTRUMENT CLUSTER NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 75,000 AND THE CURRENT MILEAGE WAS 141,000.
NHTSA ODI #10399080
67,395 miles · Apr 26, 2011
Service Brakes, Hydraulic
I DRIVE A 2003 CHEVROLET SILVERADO 1500HD. I HAVE HAD THE TRUCK TO THE DEALER WHERE I PURCHASED IT FOR REGULAR OIL CHANGES AND MAINTENANCE REVIEWS. WHEN TRYING TO LEAVE THE GROCERY STORE PARKING LOT RECENTLY I NOTICED THAT MY BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR WHEN I ATTEMPTED TO STOP AFTER PULLING OUT OF MY PARKING SPA…
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I DRIVE A 2003 CHEVROLET SILVERADO 1500HD. I HAVE HAD THE TRUCK TO THE DEALER WHERE I PURCHASED IT FOR REGULAR OIL CHANGES AND MAINTENANCE REVIEWS. WHEN TRYING TO LEAVE THE GROCERY STORE PARKING LOT RECENTLY I NOTICED THAT MY BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR WHEN I ATTEMPTED TO STOP AFTER PULLING OUT OF MY PARKING SPACE. AFTER PUMPING THE BRAKES REPEATEDLY, SOME PRESSURE WAS PRESENT BUT AFTER PUMPING MORE, IT WAS APPARENT THAT THE BRAKES WERE COMPLETELY OUT. LOOKING UNDER THE TRUCK, I SAW A HUGE PUDDLE OF BRAKE FLUID. PUTTING MORE BRAKE FLUID IN THE TRUCK DOES NOT FIX THE PROBLEM , AS IT IS ONLY FORCED OUT UPON PUMPING THE BRAKES - THE FAILURE IS PERMANENT AND CRITICAL - THE TRUCK IS NOT ROAD WORTHY AT THIS POINT! UPON CLOSE INSPECTION IN THE ENGINE COMPARTMENT AND UNDER THE DRIVER'S SIDE OF THE CHASSIS, THE ENTIRE LENGTH OF BRAKE LINES TO ALL FOUR WHEELS IS RUSTED AND ONE OF THE LINES IS COMPLETELY BROKEN (WITH A HOLE EXPELLING BRAKE FLUID) UNDER NORMAL DRIVING CONDITIONS. THE INSTRUMENT CLUSTER READS "SERVICE BRAKE SYSTEM" AND A BELL RINGS REPEATEDLY TO WARN OF THE PROBLEM. I HAVE NOT BEEN ABLE TO CORRECT THE FAILURE YET AS I DO NOT HAVE THE MONEY TO HAVE THE DEALERSHIP REPLACE THESE RUSTED BRAKE LINES. I HAVE NEVER SEEN BRAKE LINES ON ANY VEHICLE RUSTED LIKE THIS BEFORE AND I HAVE TO BELIEVE THIS IS A SERIOUS PARTS PROBLEM. I INTEND TO CONTACT MY DEALERSHIP WITH THIS ISSUE. *TR
NHTSA ODI #10397967
90,000 miles · Feb 23, 2011
Electrical System
INSTRUMENT CLUSTER HAS CONTINUED TO FAIL. CALLED LOCAL CHEVY DEALER, BECAUSE TRUCK IS OVER THE MILEAGE IT IS NO LONGER COVERED BY RECALL THAT I WAS NOT INFORMED OF. FIRST OIL PRESSURE GAUGE QUIT THEN SPEEDOMETER FAILED. CHEVY HAS KNOWN OF THE PROBLEM AND SHOULD BE HELD ACCOUNTABLE TO FIX THIS PROBLEM. *TR
NHTSA ODI #10384139
Mileage unknown · Feb 5, 2011
Engine And Engine Cooling
AUGUST 2007 PURCHASED 2003 CHEVROLET SILVERADO 41,000 MILES FOUND OUT AFTER PURCHASE MANIFOLD BOLTS ON DRIVERS SIDE AND PASSENGER SIDE WERE BROKE. TOOK VEHICLE INTO CHEVROLET DEALER HAD LEFT SIDE MANIFOLD REPLACED AND BOUGHT UP GRADE BOLTS FROM GM. AS OF FEBRUARY 2, 2011 MANIFOLD BOLTS ARE BREAKING AGAIN CAUSING MANIFOLD LEAK …
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AUGUST 2007 PURCHASED 2003 CHEVROLET SILVERADO 41,000 MILES FOUND OUT AFTER PURCHASE MANIFOLD BOLTS ON DRIVERS SIDE AND PASSENGER SIDE WERE BROKE. TOOK VEHICLE INTO CHEVROLET DEALER HAD LEFT SIDE MANIFOLD REPLACED AND BOUGHT UP GRADE BOLTS FROM GM. AS OF FEBRUARY 2, 2011 MANIFOLD BOLTS ARE BREAKING AGAIN CAUSING MANIFOLD LEAK WHICH IS A VIOLATION OF EMISSIONS AND ALSO CAN CAUSE A FIRE HAZARD IF THIS PROBLEM ISN'T ADDRESSED THAT GM HAS FAULTY MANIFOLDS SOMEONE MAY END UP SERIOUSLY INJURED. THE TRUCK NOW HAS 72,000 MILES ON IT DEALERSHIP WAS NOTIFIED OF THE SECOND PROBLEM AND NO HELP WAS GIVEN.
NHTSA ODI #10381934
140,000 miles · Jan 25, 2011
SteeringSuspensionCrashInjury
TL* THE CONTACT OWNS A 2003 CHEVROLET SILVERADO 1500 HD. THE CONTACT WAS DRIVING APPROXIMATELY 25 MPH WHEN THE REAR WHEELS TURNED IN AN AWKWARD POSITION CAUSING A LOSS IN STEERING. THE VEHICLE WOULD NOT STEER IN A STRAIGHT DIRECTION. SUDDENLY, THE VEHICLE VEERED OFF THE ROAD AND CRASHED INTO A UTILITY POLE. THE CONTACT STATED TH…
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TL* THE CONTACT OWNS A 2003 CHEVROLET SILVERADO 1500 HD. THE CONTACT WAS DRIVING APPROXIMATELY 25 MPH WHEN THE REAR WHEELS TURNED IN AN AWKWARD POSITION CAUSING A LOSS IN STEERING. THE VEHICLE WOULD NOT STEER IN A STRAIGHT DIRECTION. SUDDENLY, THE VEHICLE VEERED OFF THE ROAD AND CRASHED INTO A UTILITY POLE. THE CONTACT STATED THE FAILURE WAS RELATED TO THE REAR AXLE CENTERING SPRING. THE VEHICLE WAS COMPLETELY DESTROYED AND TOWED TO THE RESIDENCE. THE CONTACT SUSTAINED INJURIES TO THE NECK. THE FAILURE MILEAGE WAS APPROXIMATELY 140,000. THE VIN WAS UNAVAILABLE.
NHTSA ODI #10378665
88,000 miles · Jan 20, 2011
Engine And Engine Cooling
2003 CHEVROLET SILVERADO EXHAUST MANIFOLD BOLT BROKE. LESS THAN 100K MILES. COSTLY REPAIR TO HAVE THE BOLT DRILLED OUT AND REPLACE ALL BOLTS AND GASKET. EXHAUST LEAKS AND CAN HEAR TICKING NOISE FOR THE FIRST 10 MINUTES OR SO AFTER THE VEHICLE IS STARTED. ALSO CAUSES MY CHECK ENGINE LIGHT TO COME ON, PULLING ERROR CODES FOR OXYGE…
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2003 CHEVROLET SILVERADO EXHAUST MANIFOLD BOLT BROKE. LESS THAN 100K MILES. COSTLY REPAIR TO HAVE THE BOLT DRILLED OUT AND REPLACE ALL BOLTS AND GASKET. EXHAUST LEAKS AND CAN HEAR TICKING NOISE FOR THE FIRST 10 MINUTES OR SO AFTER THE VEHICLE IS STARTED. ALSO CAUSES MY CHECK ENGINE LIGHT TO COME ON, PULLING ERROR CODES FOR OXYGEN SENSORS. *TR
NHTSA ODI #10378072
85,000 miles · Jan 16, 2011
Service Brakes, Hydraulic
2003 CHEVY SILVERADO EXTENDED CAB PICKUP. BRAKE LINE CORROSION. BRAKE LINE BURST. PENNSYLVANIA. BRAKE LINE BURST ON DRIVERS SIDE. BRAKE LINE BURST WHEN BRAKES APPLIED. LOSS OF BRAKING ABILITY WAS THE RESULT. INCIDENT OCCURRED ON RESIDENTIAL STREET- THANKFULLY THERE WAS NOT AN ACCIDENT. HAD VEHICLE TOWED TO DEALER TO RESOLVE PROB…
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2003 CHEVY SILVERADO EXTENDED CAB PICKUP. BRAKE LINE CORROSION. BRAKE LINE BURST. PENNSYLVANIA. BRAKE LINE BURST ON DRIVERS SIDE. BRAKE LINE BURST WHEN BRAKES APPLIED. LOSS OF BRAKING ABILITY WAS THE RESULT. INCIDENT OCCURRED ON RESIDENTIAL STREET- THANKFULLY THERE WAS NOT AN ACCIDENT. HAD VEHICLE TOWED TO DEALER TO RESOLVE PROBLEM. APPARENTLY THERE ARE NUMEROUS COMPLAINTS ABOUT THE DEFECT OF CHEVROLET'S BRAKE-LINE ASSEMBLY FOR THE 2003 CHEVY SILVERADO. HAVE PROOF OF REPAIR. IS CHEVY GOING TO RECALL THE INFERIOR MATERIALS USED IN THESE BRAKE LINES? *LN
NHTSA ODI #10376841
65,000 miles · Dec 29, 2010
Service Brakes, Hydraulic
MY BRAKES FAILED WITHOUT WARNING CAUSING ME TO GO THROUGH A STOP SIGN. THERE WAS A MINI VAN WITH 5 OCCUPANTS THAT SWERVED OFF THE ROAD TO KEEP FROM HITTING ME. THERE WAS NO WARNING AT ALL THAT MY BRAKES WERE NOT WORKING. UPON INSPECTION OF THE CAR ON 12/28 AT A GM DEALER I WAS TOLD MY BRAKE SYSTEM WAS RUSTED OUT AND CORRODED CAU…
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MY BRAKES FAILED WITHOUT WARNING CAUSING ME TO GO THROUGH A STOP SIGN. THERE WAS A MINI VAN WITH 5 OCCUPANTS THAT SWERVED OFF THE ROAD TO KEEP FROM HITTING ME. THERE WAS NO WARNING AT ALL THAT MY BRAKES WERE NOT WORKING. UPON INSPECTION OF THE CAR ON 12/28 AT A GM DEALER I WAS TOLD MY BRAKE SYSTEM WAS RUSTED OUT AND CORRODED CAUSING MY BRAKES TO FAIL. I HAVE INVESTIGATED MYSELF THIS PROBLEM AND FIND OUT IT IS VERY COMMON ON THIS YEAR AND GM WILL NOT DO ANYTHING ABOUT IT. EVERYONE THAT HAS THIS TRUCK IS AT RISK OF CRASHING AND DOESN'T EVEN KNOW IT. I WAS ONE OF THEM UNTIL A FEW WEEKS AGO.I HAVE BEEN TRYING TO GET GM TO ACKNOWLEDGE THE PROBLEM AND ONLY BEEN GETTING THE RUN AROUND FROM THEIR CUSTOMER SERVICE DEPARTMENT IN THE PHILIPPINES. THE WILL NOT SUPPLY ME WITH A CONTACT NUMBER FOR A ZONE REP OR ANYONE ELSE. PLEASE DO SOMETHING ABOUT THESE FAULTY BRAKE LINES BEFORE INNOCENT PEOPLE ARE KILLED IF IT HASN'T HAPPENED ALREADY. *TR
NHTSA ODI #10373245
65,000 miles · Dec 28, 2010
Service Brakes, Hydraulic
MY NIGHTMARE STARTED WHEN I PULLED ONTO A FROM MY DRIVE WAY AND DROVE ABOUT A HALF BLOCK TO THE STOP SIGN IN MY 2003 SILVERADO AND NOTICED A MINI VAN GOING SOUTH. WHEN THE BRAKES WERE APPLIED THE PEDAL WENT ALL THE WAY TO THE FLOOR AND I COULDN'T STOP. NO WARNING ON THE DASH NOTHING. THE VAN HAD TO SWERVE OFF THE ROAD TO AVOID M…
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MY NIGHTMARE STARTED WHEN I PULLED ONTO A FROM MY DRIVE WAY AND DROVE ABOUT A HALF BLOCK TO THE STOP SIGN IN MY 2003 SILVERADO AND NOTICED A MINI VAN GOING SOUTH. WHEN THE BRAKES WERE APPLIED THE PEDAL WENT ALL THE WAY TO THE FLOOR AND I COULDN'T STOP. NO WARNING ON THE DASH NOTHING. THE VAN HAD TO SWERVE OFF THE ROAD TO AVOID ME AND ALMOST TIPPED OVER CONTAINING 5 PEOPLE. I SAW HIM COMING BUT COULDN'T DO ANYTHING TO STOP IN SUCH A SHORT PERIOD OF TIME. THE LAST THING ON MY MIND WAS NO BRAKES. I HAVE BEEN DRIVING FOR 39 YEARS AND NEVER EXPERIENCED BRAKE FAILURE IN MY LIFE. YESTERDAY I CALLED GM CUSTOMER SERVICE AND GOT THE USUAL RUN AROUND. THEY TOLD ME I HAD TO TAKE IT TO A GM DEALER TO HAVE IT INSPECTED THEY WERE VERY CLEAR THAT MY CAR EVEN THOUGH ONLY HAS 65,000 MILES ON IT AND IS KEPT IN A GARAGE IS OUT OF WARRANTY AND THERE ARE NO RECALLS FOR THE BRAKE LINES. THE BEST PART WAS THEY WILL REPLACE THE LINES WITH STANDARD GM PARTS THE SAME ONES THAT ARE ON THE VEHICLE NOW. DOING THAT WILL HAVE THE SAME RESULTS AND A ACCIDENT WAITING TO HAPPEN. EVEN IF THEY ACKNOWLEDGE THE PROBLEM PLEASE DON'T LET THEM DO THE REPAIRS WITH THE SAME INFERIOR BRAKE LINES THAT WE ALL HAVE NOW !!!! *TR
NHTSA ODI #10373179