Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
330–25K
2725–50K
3450–75K
2475–100K
27100–150K
22150K+
167 reports with mileage · 37 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
Electrical System. Review the 72 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Service Brakes. Review the 32 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Service Brakes, Hydraulic. Review the 17 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
12 crash reports6 fire reports8 injury reports
What owners actually said
204 reports
11,000 miles · May 3, 2004
Power TrainCrash
I HAD MY 2004 CHEV SUBURBAN PARKED IN MY GARAGE. MY 8 YEARS OLD DAUGHTER WAS IN THE BACK SEAT LISTENING TO THE RADIO. I HAD THE GEAR IN PARK AND THE KEY IN THE ACCESSORY POSITION SO SHE COULD LISTEN TO THE RADIO. FROM THE BACK SEAT SHE REACHED UP TO TURN OFF THE RADIO AND ACCIDENTLY HIT THE GEAR SHIFT. THE CAR WENT INTO REV…
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I HAD MY 2004 CHEV SUBURBAN PARKED IN MY GARAGE. MY 8 YEARS OLD DAUGHTER WAS IN THE BACK SEAT LISTENING TO THE RADIO. I HAD THE GEAR IN PARK AND THE KEY IN THE ACCESSORY POSITION SO SHE COULD LISTEN TO THE RADIO. FROM THE BACK SEAT SHE REACHED UP TO TURN OFF THE RADIO AND ACCIDENTLY HIT THE GEAR SHIFT. THE CAR WENT INTO REVERSE. THE DRIVES SIDE REAR DOOR WAS OPEN. WHEN THE SUBURBAN ROLLED OUT OF THE GARAGE THE REAR DOOR CAUGHT ON THE GARAGE DOOR KEEPING IT FROM ROLLING INTO THE STREET, INTO A PEDESTRIAN OR INTO THE HOUSE ACCROSS THE STREET. THERE WERE NO INJURIES. I NOTIFIED GM PRODUCT ALLIGATIONS DEPARTMENT, TIM MILLER, ABOUT THE INCIDENT. HE STATED THAT THIS VEHICLE COULD BE PUT INTO GEAR WITHOUT USING THE BREAK WHEN THE KEY IS IN THE ACCESSORY POSITION. THEY WERE NOT WILLING TO LOOK INTO THIS AS BEING A SAFETY ISSUE. THE OWNERS MANUAL SUGGESTS THAT YOU USE THE ACCESSORY KEY POSITIONING TO "LET YOU USE THINGS LIKE THE RADIO, POWER WINDOWS AND THE WINDSHIELD WIPERS WHEN THE ENGINE IS OFF". I THINK THAT GM NEEDS TO LOOK AT INSTALLING SOME TYPE OF FEATURE THAT REQUIRES THE BRAKE TO BE ENGAGED TO SHIFT THE GREAR OUT OF PARK EVEN WHEN THE KEY IS PLACED IN THE ACCESSORY POSITION SIMILARY TO STANDARD NO. 102 - TRANSMISSION SHIFT LEVER SEQUENCE, STARTER INTERLOCK, AND TRANSMISSION BRAKING EFFECT - PASSENGER CARS, MULTIPURPOSE PASSENGER VEHICLES, TRUCKS, AND BUSES (EFFECTIVE 1-1-68) THIS STANDARD SPECIFIES THE REQUIREMENTS FOR THE TRANSMISSION SHIFT LEVER SEQUENCE, A STARTER INTERLOCK, AND FOR A BRAKING EFFECT OF AUTOMATIC TRANSMISSIONS, TO REDUCE THE LIKELIHOOD OF SHIFTING ERRORS, STARTER ENGAGEMENT WITH VEHICLE IN DRIVE POSITION, AND TO PROVIDE SUPPLEMENTAL BRAKING AT SPEEDS BELOW 40 KM/H (25 MPH). PLEASE ADVISE ON HOW TO PROCEED WITH INSTALLING SOME TYPE OF SAFETY MEASURES IN THE CHEV. SURBAN SO A FATAL INJURY DOES NOT OCCUR.*AK
NHTSA ODI #10068205
Mileage unknown · Apr 8, 2004
Service Brakes, Hydraulic
BRAKES FAILED WHEN APPLIED AT LOW SPEED WITH PLENTY OF ROOM TO SPARE WHICH RESULTED IN A COLLISION. *PH CONSUMER MADE A SEARCH IN THE INTERNET AND FOUND A SIMILAR COMPLAINT (ODI: 10056005). *LA
NHTSA ODI #10066980
Mileage unknown · Feb 13, 2004
Visibility
I HAVE JUST PURCHASED A 2004 K2500 CHEV. SUBURBAN WITH THE ELECTRIC CAMPER MIRROR OPTION. I HAVE DRIVEN IT TWO WEEKS AND DISCOVERED THAT THE PASSENGER (CONVEX) MIRROR HAS A HUGE BLIND SPOT THAT HIDES ALL CARS AND UP TO MEDIUM SIZE TRUCKS. IT IS DANGEROUS. THE DEALER HAS INSPECTED THE TRUCK AND CONFIRMED THE PROBLEM. THE SERV…
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I HAVE JUST PURCHASED A 2004 K2500 CHEV. SUBURBAN WITH THE ELECTRIC CAMPER MIRROR OPTION. I HAVE DRIVEN IT TWO WEEKS AND DISCOVERED THAT THE PASSENGER (CONVEX) MIRROR HAS A HUGE BLIND SPOT THAT HIDES ALL CARS AND UP TO MEDIUM SIZE TRUCKS. IT IS DANGEROUS. THE DEALER HAS INSPECTED THE TRUCK AND CONFIRMED THE PROBLEM. THE SERVICE MANAGER HAS CONTACTED CHEVROLET AND THEY SAY THERE IS NO FIX. I CONTACTED CHEVROLET AND THEY CONFIRMED THERE IS NOT FIX AND ALSO CONFIRMED THAT THE SERVICE MANANGER HAS RECOMMENDED THAT THIS BE CORRECTED. CHEVROLET'S POSITION IS THAT THEY ARE GOING TO DO NOTHING ELSE. *AK
NHTSA ODI #10057146
2,300 miles · Jan 28, 2004
Service Brakes, Air
WHILE DRIVING BRAKES FAILED WHEN TRYING TO MAKE A SUDDEN STOP. DRIVER AVOIDED A COLLISION BY CONTINUING TO SLAM ON THE BRAKE PEDAL UNTIL THE VEHICLE STOPPED. VEHICLE WAS TOWED TO THE DEALER, WHO DETERMINED THE CAM SHAFT POSITION SENSOR WAS THE CAUSE OF THE BRAKE FAILURE. *AK
ON CERTAIN TRUCKS EQUIPPED WITH AN 8.1L V8 (RPO L8-VIN G) ENGINE HAVE A CONDITION IN WHICH THE ENGINE FUEL RAIL PULSE DAMPER RETAINER CLIP MAY FRACTURE RESULTING IN INADEQUATE RETENTION OF THE DAMPER.
Consequence & remedy
Consequence: IF THE DAMPER COMES LOOSE, A FUEL LEAK MAY RESULT. FUEL LEAKAGE, IN THE PRESENCE OF AN IGNITION SOURCE, COULD RESULT IN A FIRE.
Remedy: DEALERS WILL REPLACE THE ENGINE FUEL RAIL PULSE DAMPER RETAINER CLIP FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 31, 2006. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438 AND GMC TRUCKS AT 1-866-996-9463.
ON CERTAIN CREW CAB PICKUP TRUCKS AND SPORT UTILITY VEHICLES, THE 2ND ROW CENTER OCCUPANT SEAT BELT ROUTING MAY MAKE IT DIFFICULT TO POSITION THE LAP PORTION OF THE SAFETY BELT LOW AROUND THE HIPS OF OCCUPANTS, ESPECIALLY SMALLER OCCUPANTS, SEATED IN THIS POSITION. APPROPRIATE USE OF A CHILD SEAT OR BOOSTER SEAT, AS RECOMMENDED FOR SMALL CHILDREN, DOES IMPROVE THE FIT CONDITION FOR THIS USER GROUP. IN ADDITION TO INSTRUCTIONS ON PROPER INFANT AND YOUNG CHILD RESTRAINT (WITH CHILD SEATS OR BOOSTERS), SPECIAL VERBIAGE FOR RESTRAINING OLDER CHILD IS INCLUDED IN THE OWNER'S MANUAL. ALSO, THE SUGGESTED SEAT BELT FIT/ROUTING FOR ADULTS, IRRESPECTIVE OF SEATING POSITION, IS DESCRIBED IN THE OWNER'S MANUAL TEXT.
Consequence & remedy
Consequence: A LAP PORTION OF THE SEAT BELT ROUTING THAT IS NOT LOW AND SNUG ON THE HIPS CAN ALLOW THE LAP BELT TO RIDE UP ON AN OCCUPANT'S ABDOMEN INSTEAD OF FITTING LOW AROUND THEIR HIPBONES, AND THEREFORE, CAN EXPOSE THEM TO MORE RISK OF ABDOMINAL AND INTERNAL ORGAN INJURY.
Remedy: DEALERS WILL CUT OPEN THE GUIDE LOOP, REMOVE A PORTION OF THE LOOP, AND THEN THE REMAINING TWO SIDES SHOULD BE FOLDED OVER AND SECURED WITH A RETAINER FREE OF CHARGE. THE RECALL BEGAN ON JULY 21, 2005. OWNERS MAY CONTACT CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463, OR HUMMER AT 1-800-732-5493.
CERTAIN TRUCKS, SPORT UTILITY VEHICLES, AND VANS EQUIPPED WITH BOSCH HYDRO-BOOST BRAKE ASSEMBLIES, THE HYDRAULIC BRAKE BOOSTER PRESSURE ACCUMULATOR MAY CRACK AND SEPARATE FROM THE HYDRO-BOOST ASSEMBLY DURING NORMAL OPERATING CONDITIONS.
Consequence & remedy
Consequence: IF A SEPARATION OCCURRED AND THE HOOD OF THE VEHICLE WERE OPEN, FRAGMENTS FROM THE ACCUMULATOR COULD CAUSE INJURY TO PEOPLE IN THE IMMEDIATE AREA. THE PRESENCE OF THIS CRACK OR FRACTURED SURFACE COULD ALLOW THE HYDRAULIC FLUID TO LEAK FROM THE ACCUMULATOR CIRCUIT OF THE BOOSTER ASSEMBLY. THE LOSS OF FLUID WOULD CAUSE INCREASED STEERING AND BRAKING EFFORT AND A CRASH MAY OCCUR WITHOUT PRIOR WARNING.
Remedy: DEALERS WILL TEST THE HYDRO-BOOST ASSEMBLY FOR FUNCTIONAL OPERATION OF THE TWO-FUNCTION VALVE. IF THE HYDRO-BOOST ASSEMBLY FAILS THE TEST, DEALERS WILL REPLACE THE ASSEMBLY FREE OF CHARGE. THE RECALL BEGAN ON MARCH 23, 2005. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438, GMC TRUCKS AT 1-866-996-9463 AND HUMMER AT 1-800-732-5493.
CERTAIN SPORT UTILITY VEHICLES, PICKUP TRUCKS, AND PASSENGER VANS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 135, ?PASSENGER CAR BRAKE SYSTEMS.? SOME OF THESE VEHICLES WERE PRODUCED WITH AN OUT-OF-SPECIFICATION BRAKE HYDRO-BOOST HOUSING RELIEF VALVE BORE.
Consequence & remedy
Consequence: CONSEQUENTLY, THE VALVE O-RING SEAL MAY FRACTURE. STEERING EFFORTS MAY BE SLIGHTLY INCREASED WHILE BRAKING OR PARKING. UNDER CERTAIN DRIVING CONDITIONS, A FRACTURED SEAL MAY REQUIRE A SLIGHT INCREASE IN THE APPLIED BRAKE PEDAL EFFORT TO ACHIEVE THE SAME VEHICLE DECELERATION RATE AS PRIOR TO THE SEAT FRACTURE.
Remedy: DEALERS ARE TO REPLACE THE HYDRO-BOOST RELIEF VALVE. THE RECALL BEGAN ON JUNE 18, 2004. OWNERS SHOULD CONTACT CADILLAC AT 1-866-982-2339; CHEVROLET AT 1-800-630-2438; GMC AT 1-866-996-9463; OR HUMMER AT 1-866-486-6376.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
1
EA04012 · Hydraulic Pump Failres
Opened Apr 30, 2004 · Closed Feb 28, 2005
Status: closed (inferred from source dates) · Service Brakes, Hydraulic:power Assist; Steering:hydraulic Power Assist System
GM IS CONDUCTING A RECALL ON ALL SUBJECT VEHICLES BUILD BETWEEN MAY 1999 AND OCTOBER 14, 1999.SIGNIFICANT CHANGES WERE INCORPORATED INTO PRODUCTION IN EARLY OCTOBER 1999, AND VEHICLES BUILT AFTER THAT DATE HAVE LOWER WARRANTY FAILURE RATES.THE COMPLAINT AND WARRANTY DATA APPEAR TO SUPPORT THE EFFECTIVENESS OF THESE CHANGES. GM MADE ADDITIONAL CHANGES IN NOVEMBER 1999, FEBRUARY 2000, MAY 2001, AND FEBRUARY 2004.ODI WILL CONTINUE TO MONITOR THIS PROBLEM AND WILL TAKE FURTHER ACTION, IF WARRANTED, IN THE FUTURE.FOR FURTHER TECHNICAL DETAILS SEE THE ATTACHED ENGINEERING ANALYSIS REPORT.
Additional source detail variants (2)
Service Brakes, Hydraulic:power Assist
GM IS CONDUCTING A RECALL ON ALL SUBJECT VEHICLES BUILD BETWEEN MAY 1999 AND OCTOBER 14, 1999.SIGNIFICANT CHANGES WERE INCORPORATED INTO PRODUCTION IN EARLY OCTOBER 1999, AND VEHICLES BUILT AFTER THAT DATE HAVE LOWER WARRANTY FAILURE RATES.THE COMPLAINT AND WARRANTY DATA APPEAR TO SUPPORT THE EFFECTIVENESS OF THESE CHANGES. GM MADE ADDITIONAL CHANGES IN NOVEMBER 1999, FEBRUARY 2000, MAY 2001, AND FEBRUARY 2004.ODI WILL CONTINUE TO MONITOR THIS PROBLEM AND WILL TAKE FURTHER ACTION, IF WARRANTED, IN THE FUTURE.FOR FURTHER TECHNICAL DETAILS SEE THE ATTACHED ENGINEERING ANALYSIS REPORT.
Steering:hydraulic Power Assist System
GM IS CONDUCTING A RECALL ON ALL SUBJECT VEHICLES BUILD BETWEEN MAY 1999 AND OCTOBER 14, 1999.SIGNIFICANT CHANGES WERE INCORPORATED INTO PRODUCTION IN EARLY OCTOBER 1999, AND VEHICLES BUILT AFTER THAT DATE HAVE LOWER WARRANTY FAILURE RATES.THE COMPLAINT AND WARRANTY DATA APPEAR TO SUPPORT THE EFFECTIVENESS OF THESE CHANGES. GM MADE ADDITIONAL CHANGES IN NOVEMBER 1999, FEBRUARY 2000, MAY 2001, AND FEBRUARY 2004.ODI WILL CONTINUE TO MONITOR THIS PROBLEM AND WILL TAKE FURTHER ACTION, IF WARRANTED, IN THE FUTURE.FOR FURTHER TECHNICAL DETAILS SEE THE ATTACHED ENGINEERING ANALYSIS REPORT.
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