1999 GMC C1500 Suburban Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 1999 GMC C1500 Suburban, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Electrical527.8%
- Brakes316.7%
- Interior & seats211.1%
- Engine211.1%
- Steering15.6%
- Airbags15.6%
- Suspension15.6%
- Body & structure15.6%
- Heating & air conditioning15.6%
- Fuel system15.6%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
TL* THE CONTACT OWNS A 1999 GMC SUBURBAN. THE CONTACT STATED THAT THE BRAKES WERE WEARING PREMATURELY. THE VEHICLE WAS TOWED TO THE DEALER, WHO STATED THAT THE BRAKE LINES, HARDWARE, BRAKE CYLINDER AND CALIPERS NEEDED TO BE REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS REPAIRED. THE FAILURE MILEAGE WAS 99,000 AND THE CURRENT MILEAGE WAS 137,960. ALSO, THE A/C WAS REPAIRED SEVERAL TIMES, AS IT WAS BLOWING OUT HOT AIR, THE REAR PASSENGER DOOR WAS INOPERATIVE, THE STARTER WAS REPLACED, THE RADIATOR WAS LEAKING. UPDATED 07/30/14
CAR SHUT OFF WHILE DRIVING ON HIGHWAY. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
TL* THE CONTACT OWNS A 1999 GMC SUBURBAN. THE CONTACT STATED THAT THE BRAKES WERE WEARING PREMATURELY. THE VEHICLE WAS TOWED TO THE DEALER, WHO STATED THAT THE BRAKE LINES, HARDWARE, BRAKE CYLINDER AND CALIPERS NEEDED TO BE REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS REPAIRED. THE FAILURE MILEAGE WAS 99,000 AND THE CURRENT MILEAGE WAS 137,960. ALSO, THE A/C WAS REPAIRED SEVERAL TIMES, AS IT WAS BLOWING OUT HOT AIR, THE REAR PASSENGER DOOR WAS INOPERATIVE, THE STARTER WAS REPLACED, THE RADIATOR WAS LEAKING. UPDATED 07/30/14
CAR SHUT OFF WHILE DRIVING, MECHANIC SAID IT WAS ABS COMPUTER, CHARGED ME $1000 TO REPLACE. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Interior & seats
Reports naming seats, latches, locks, linkages and interior fittings.
From owner reports, verbatim
TL* THE CONTACT OWNS A 1999 GMC SUBURBAN. THE CONTACT STATED THAT THE BRAKES WERE WEARING PREMATURELY. THE VEHICLE WAS TOWED TO THE DEALER, WHO STATED THAT THE BRAKE LINES, HARDWARE, BRAKE CYLINDER AND CALIPERS NEEDED TO BE REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS REPAIRED. THE FAILURE MILEAGE WAS 99,000 AND THE CURRENT MILEAGE WAS 137,960. ALSO, THE A/C WAS REPAIRED SEVERAL TIMES, AS IT WAS BLOWING OUT HOT AIR, THE REAR PASSENGER DOOR WAS INOPERATIVE, THE STARTER WAS REPLACED, THE RADIATOR WAS LEAKING. UPDATED 07/30/14
I CLICKED MY 4-WAY FLASHER BUTTON WHILE DROPPING MY SON OFF AT THE TRAIN STATION AND WHEN I CAME BACK IT WAS DIFFICULT TO PRESS THE BUTTON BACK DOWN. AFTER THAT, THE OPERATION OF MY EMERGENCY FLASHERS WAS INTERMITTENT AND EVENTUALLY MY REAR BRAKES LIGHTS STARTED WORKING ONLY INTERMITTENTLY AS WELL. NOW THE BRAKE LIGHTS DO NOT WORK AND MY GM DEALER SAYS IT WILL COST MORE THAN $500 TO REPLACE THE WHOLE WIRING HARNESS. THIS IS THE SECOND FAILURE OF THIS TYPE ON THIS SAME SUBURBAN. *NM
Too few reports in this category for a page of its own — they appear in the full complaint list.
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
TL* THE CONTACT OWNS A 1999 GMC C1500 SUBURBAN. WHILE DRIVING AT APPROXIMATELY 65 MPH, THE OIL FIELD EXPLODED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE FIELD FRACTURED AND CAUSED OIL TO SEEP INTO THE ENGINE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 126,000.
TL* THE CONTACT OWNS A 1999 GMC SUBURBAN. THE CONTACT STATED THAT THE BRAKES WERE WEARING PREMATURELY. THE VEHICLE WAS TOWED TO THE DEALER, WHO STATED THAT THE BRAKE LINES, HARDWARE, BRAKE CYLINDER AND CALIPERS NEEDED TO BE REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS REPAIRED. THE FAILURE MILEAGE WAS 99,000 AND THE CURRENT MILEAGE WAS 137,960. ALSO, THE A/C WAS REPAIRED SEVERAL TIMES, AS IT WAS BLOWING OUT HOT AIR, THE REAR PASSENGER DOOR WAS INOPERATIVE, THE STARTER WAS REPLACED, THE RADIATOR WAS LEAKING. UPDATED 07/30/14
Too few reports in this category for a page of its own — they appear in the full complaint list.
Steering
Reports naming the steering system — racks, columns, power-steering assist and steering linkage.
From owner reports, verbatim
GMC SUBURBAN 1999 STEERING SPEED SENSOR FAILS CAUSING THE STEERING TO SUDDENLY JERK WHILE TURNING UNDER SPEED. IT FEELS LIKE THE FRONT WHEELS HIT "SLIPPERY ICE". *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
AIRBAG LIGHT IS ON. NEEDS NEW MODULE AND THE PART IS "CURRENTLY UNAVAILABLE" FROM GMC. REPAIR SHOP WILL NOT GUARANTEE WORK ON INSTALLATION OF A THIRD PARTY PART. I HAVE SPOKEN EXTENSIVELY WITH GMC CORPORATE AND THEY CONTINUE TO DELEGATE THIS ISSUE TO THE DEALERSHIP LEVEL. IMO, THE DEALERSHIP (THORSON MOTOR CENTER, PASADENA, CA) HAS DONE ALL THEY CAN BY ORDERING THE PART FOR ME. IF THE PART IS UNAVAILABLE, THAT IS NOT THE DEALERSHIP'S FAULT. FURTHER, THERE IS NO ESTIMATED TIME OF ARRIVAL EVEN THOUGH THE ORDER HAS BEEN EXPEDITED. GMC CORPORATE SHOULD MAKE SURE THEY HAVE SUFFICIENT MANUFACTURERS WHO CAN PRODUCE PARTS IN A TIMELY MANNER. IN THE MEANTIME, MY CAR HAS A SAFETY ISSUE THAT IS UNRESOLVED. THIS PROBLEM HAS BEEN GOING ON FOR OVER SIX WEEKS NOW. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Suspension
Reports naming suspension components — springs, struts, shocks, control arms and related hardware.
From owner reports, verbatim
TRANSFER CASE PINHOLE DO TO PUMP IN TRANSFER CASE COMMON PROBLEM
Too few reports in this category for a page of its own — they appear in the full complaint list.
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
WITHIN SEVERAL MONTHS BOTH FRONT DOORS - DRIVERS AND PASSENGERS HANDLES STOPPED WORKING. WITHOUT POWER TO LOWER THE WINDOW AND OPEN THE DOOR FROM THE OUTSIDE, THE OCCUPANTS ARE LOCKED INSIDE. WHEN REPLACING THE PARTS AND INVESTIGATING THE PROBLEM, IT WAS APPARENT THAT BOTH HANDLES BROKE AT THE SAME PLACE AND THE PART MAY BE FAULTY OR NOT SUFFICIENTLY STRENGTHENED TO SUPPORT EXITING THE VEHICLES - ESPECIALLY IN AN EMERGENCY. WE BELIEVE THAT ONLY THE ACTUAL HANDLE IS THE CONCERN AND NOT THE FULL ASSEMBLY. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Heating & air conditioning
Reports naming the heating, ventilation and air-conditioning system.
From owner reports, verbatim
TL* THE CONTACT OWNS A 1999 GMC SUBURBAN. THE CONTACT STATED THAT THE BRAKES WERE WEARING PREMATURELY. THE VEHICLE WAS TOWED TO THE DEALER, WHO STATED THAT THE BRAKE LINES, HARDWARE, BRAKE CYLINDER AND CALIPERS NEEDED TO BE REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE VEHICLE WAS REPAIRED. THE FAILURE MILEAGE WAS 99,000 AND THE CURRENT MILEAGE WAS 137,960. ALSO, THE A/C WAS REPAIRED SEVERAL TIMES, AS IT WAS BLOWING OUT HOT AIR, THE REAR PASSENGER DOOR WAS INOPERATIVE, THE STARTER WAS REPLACED, THE RADIATOR WAS LEAKING. UPDATED 07/30/14
Too few reports in this category for a page of its own — they appear in the full complaint list.
Fuel system
Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.
From owner reports, verbatim
I HAVE PURCHASED 2 GMC SUBURBANS OVER THE LAST 13 YEARS. I'M A DIVORCED MOM OF 7 CHILDREN. I WAS DRIVING MY SUBURBAN ALONG WITH MY CHILDREN AND THE VEHICLE STALLED IN THE MIDDLE OF RUSH HOUR TRAFFIC IN BOSTON. *TR I WAS ALMOST HIT FROM BEHIND AND FROM THE RIGHT HAND LANE AS I DESPERATELY TRIED TO STEER THE CAR INTO THE BREAK DOWN LANE. I TURNED MY HAZARDS ON, BUT DURING THIS TIME IN BOSTON, EVERYONE DRIVES OVER THE SPEED LIMIT. IT HAPPENED REPEATEDLY OVER THE NEXT FEW WEEKS. I CONTACTED GMC, IN WHICH I SPOKE TO A REPRESENTATIVE, WHO INFORMED ME I WAS OVER THE RECALL DATE. WHAT???? I EXPLAINED OVER AND OVER HOW DANGEROUS IT WAS FOR ME TO DRIVE THE VEHICLE WITH MY CHILDREN. TO NO AVAIL, I WAS TOLD, MY SUBURBAN MISSED THE RECALL DATES. SORRY, GM COULD NOT STAND BEHIND A LOYAL CUSTOMER. I DO NOT HAVE 2000.00 TO REPLACE THIS PART.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .