Reports submitted to NHTSA by owners and drivers, shown in full
Data refreshed
Our database holds 29 NHTSA owner-reported complaints for the 2012 GMC Sierra. Each one is a report filed by an owner or driver and published by NHTSA without most of them being verified. A complaint is not a confirmed defect, not a recall and not a manufacturer bulletin. Narratives are shown exactly as filed.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Showing 1–25 of 29 · page 1 of 2
2012 GMC SIERRA. CONSUMER WRITES IN REGARDS TO PASSENGER SIDE AIRBAG SAFETY RECALL. THE CONSUMER STATED THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME COMPLETING THE RECALL REPAIR.
WHILE DRIVING AT NORMAL HIGHWAY SPEED, TRUCK SHUT OFF EXCEPT FOR THE LIGHTS. LOST POWERS STEERING, BRAKES ETC. ONCE I GOT THE TRUCK PULLED OVER AND STOPPED, ATTEMPTED TO RESTART. WAS UNABLE TO DO SO UNTIL THE 4TH ATTEMPT DURING A 5 MINUTES TIME SPAN. ONCE STARTED, APPEARED TO BE RUNNING FINE EXCEPT FOR THE MIL ON THE DASHBOARD WHICH WAS LIT.
DASHBOARD IS CRACKED NEAR THE PASSENGER SIDE AIRBAG CLOSE TO THE WINDSHIELD. VEHICLE HAS NEVER BEEN IN AN ACCIDENT OR HAD THE AIRBAGS DEPLOYED. CRACK OCCURRED JUST BEFORE 50,000 MILES.
DASHBOARD CRACKING ABOVE INSTRUMENT PANEL.
TL* THE CONTACT OWNS A 2012 GMC SIERRA 1500. THE CONTACT STATED THAT THE DASHBOARD NEAR THE PASSENGER SIDE AIR BAG WAS FRACTURED. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE DASHBOARD NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 22,000.
TL* THE CONTACT OWNS A 2012 GMC SIERRA. THE CONTACT STATED THAT THE DASHBOARD NEAR THE PASSENGER SIDE AIR BAG WAS FRACTURED. THE CONTACT TOOK THE VEHICLE TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE DASHBOARD NEEDED TO BE REPLACED. THE CONTACT INFORMED THE MANUFACTURER OF THE FAILURE. THE MANUFACTURER STATED THAT THE DASHBOARD WOULD BE ABLE TO BE REPLACED AT A DISCOUNTED PRICE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 67,000. UPDATED 09/28/16*LJ *TR
TL* THE CONTACT OWNS A 2012 GMC SIERRA. THE CONTACT STATED THAT THE VEHICLE EXPERIENCED A LOSS OF POWER WHICH RESULTED IN A FRONT END COLLISION WITH A GUARDRAIL. WHEN THE FAILURE OCCURRED, ALL THE WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS ABLE TO BE OPERATED AFTER THE CRASH. THE VEHICLE WAS NOT TAKEN TO A DEALER OR INDEPENDENT MECHANIC TO BE DIAGNOSED OR REPAIRED. A POLICE REPORT WAS FILED. THERE WERE NO INJURIES. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 75,000.
DASH IS CRACKING AROUND MY PASSENGER AIRBAG. THE CRACK IS IN FRONT OF THE PASSENGER AIRBAG CLOSER TO THE WINDSHIELD. VEHICLE ONLY HAS 32,000 MILES BUT IS JUST OUT OF THE 3 YEAR BUMPER TO BUMPER WARRANTY.
DASH CRACKED AROUND AIRBAG MODULE
THE DASH THAT SUPPORTS THE AIR BAG ON THE PASSENGER SIDE IS CRACKING AND COULD POSSIBLY PUNCTURE THE AIR BAG OR SEND PARTS OF THE DASH FLYING A OCCUPANTS DURING A COLLISION. BECAUSE OF THE CRACKS THE AIR BAG IS NOT PROPERLY SECURED IN THE VEHICLE.
TL* THE CONTACT OWNS A 2012 GMC SIERRA. THE CONTACT STATED THAT THE PASSENGER SIDE DASHBOARD WAS CRACKED ABOVE THE AIR BAG HOUSING. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE DASHBOARD NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 57,000.
I PURCHASED A 2012 GMC SIERRA DENALI FROM STAHL MOTORS IN MONTEREY, CA IN FEBRUARY OF 2015. THEY ARE NOT WILLING TO PAY FOR THE DAMAGES TO MY TRUCK EVEN THOUGH THEY SOLD ME A COMPLETELY DANGEROUS VEHICLE, WHICH I WILL EXPLAIN. MY TRUCK DIDN'T FEEL RIGHT AS I WAS DRIVING SO I DECIDED TO TAKE IT TO A SHOP TO GET LOOKED AT. THERE IS A LONG LIST OF THINGS THAT IS WRONG WITH THE VEHICLE, BUT I WILL MENTION JUST THE MAIN ONES. THE TRUCK WAS SOLD TO ME WITHOUT THE REAR BRAKES HOOKED UP. THE BRAKE LINES FOR THE REAR CALIPERS WERE CAPPED OFF BY THE REAR DIFFERENTIAL. WHEN THE MECHANIC SHOP DISCOVERED THAT, THEY ALSO DISCOVERED THE MASTER CYLINDER WAS COMPLETELY DRY, WHICH CAUSED DAMAGE TO MY FRONT BRAKES. THERE WAS NO CROSS MEMBER UNDERNEATH THE VEHICLE FROM FRAME TO FRAME. IT WAS TORCHED OUT, THEREFOR LEAVING ZERO SUPPORT FOR THE FRAME OF THE TRUCK AS WELL AS THE FRONT DIFFERENTIAL. WHICH NEEDED TO BE REBUILT CAUSED FROM EXCESSIVE MOVEMENT LEFT TO RIGHT. FRONT DIFFERENTIAL NEEDED TO BE REBUILT CAUSED FROM THE DAMAGE OF NO CROSS MEMBER IN PLACE. BALL JOINTS WERE ALSO AFFECTED (ABOUT TO POP OUT OF CONTROL ARMS) DUE TO WRONG PARTS INSTALLED IN FRONT SUSPENSION OF VEHICLE.
WHILE MOVING WITH TRANSMISSION IN DRIVE, THE IGNITION SWITCH CAN BE SWITCHED OFF. BY DOING SO, THE POWER STEERING AND BRAKES FAIL TO FUNCTION PROPERLY. THE STEERING WHEEL WILL LOCK, NOT ALLOWING TO STEER. THERE HAVE BEEN A SAFETY CONCERNS WITH OTHER GM PRODUCTS, WHY NOT THIS MODEL? THIS IS A SAFETY CONCERN.
FRAME COATING IS PEELING OFF THE BACK OF THE FRAME AND IN OTHER AREAS. EXCESSIVE RUST FOR A VEHICLE THAT IS 3 YEARS OLD IN A TEMPERATE CLIMATE. ONLY APPEARS TO BE AFFECTING FRAME COVERED WITH WAXY UNDERCOAT. VERY LITTLE RUST AND NO PEELING ON AREAS THAT HAVE OTHER PAINTS/COATINGS.
CHECK ENGINE LIGHT ILLUMINATED. TOOK TRUCK TO LOCAL CHEVROLET DEALER FOR REPAIR AND THEY DISCOVERED THE WIRES HAD BEEN CHEWED THROUGH. I READ THAT GM USES PEANUT OIL ON WIRES IN ORDER TO INSTALL THEM EASIER. LOOKS LIKE THIS ATTRACTED A MOUSE, SQUIRREL, CHIPMUNK, OR OTHER CREATURE AND IT CHEWED THE WIRES. LUCKILY IT DID NOT AFFECT THE OPERATION OF THE TRUCK BUT IT COULD HAVE LED TO A SHORT CIRCUIT THAT COULD HAVE CAUSED A FIRE. I FEEL THIS NEEDS TO BE THOROUGHLY INVESTIGATED. AND GM NEEDS TO CREATE SOME KIND OF ANIMAL REPELLANT TO SPRAY ON THE WIRES AFTER VEHICLE ASSEMBLY.
THE FUEL INJECTION PUMP CP4 HAD A CATASTROPHIC FAILURE AS I WAS DRIVING ON A HEAVILY TRAVELED FOUR LANE HIGHWAY, US RT.20. I LOST POWER STEERING AND BRAKES. I FELT FORTUNATE THAT I WAS NOT TOWING A 16,000 LB. FIFTH WHEEL CAMPER DOWN A MOUNTAIN ROAD.I SAY THIS BECAUSE IT WAS EXTREMELY DIFFICULT TO MAINTAIN CONTROL OVER THE TRUCK STEERING IT AND BRINGING IT TO A CONTROLLED STOP. I HAVE READ ABOUT THESE PUMPS FAILING ON NUMEROUS DIESEL FORD AND GM TRUCKS. I ALSO FEEL IF A WOMAN OR SMALL PERSON HAD THIS HAPPEN TO THEM THE OUTCOME COULD END IN LOSS OF CONTROL RESULTING IN INJURIES EVEN DEATHS. THE ONLY ONE THAT KNOWS THE ACTUAL NUMBER OF PUMPS THAT HAVE FAILED IS THE MANUFACTURERS, WHO WILL NOT SHARE THAT INFORMATION WILLINGLY. *JS
ENGINE WILL INCREASE IDLE FROM 700 TO 900 AT ANY TIME. ONE CAN BE SITTING AT A TRAFFIC LIGHT AND IT MIGHT INCREASE OR DECREASE. I PULL A 5TH WHEEL (35 FEET) AND IT IS VERY DIFFICULT TO STOP WITH THE ENGINE TRYING TO KEEP GOING. ALSO IT IS VERY SCARY TO STOP ON SLIPPERY ROADS. THIS DID NOT START UNTIL THE VEHICLE HAD APPROX. 35,000 MILES ON IT. THE DEALER TELLS ME IT IS NORMAL, BUT I HAVE TALKED TO OWNERS OF THE GM DIESEL FROM MODEL YEAR 2008 THROUGH 2015 AND NONE OF THEM HAVE THIS CONDITION. *TR
PULLING INTO A PARKING SPOT IN A PARKING GARAGE GOING NO MORE THAN 3 MILES PER HOUR, OR HOWEVER FAST THIS VEHICLE CAN GO WHILE FOOT IS RESTING ON BRAKE, GETTING READY TO FULLY BRAKE. AS I PRESSED DOWN ON BRAKE TO STOP, THE VEHICLE CONTINUED AS IF THE ANTI-LOCK BRAKE SYSTEM SLIPPED, CAUSING THE TRUCK TO DRIVE FORWARD CRASHING THROUGH THE SHEETROCK WALL AND FINALLY STOPPING AFTER HITTING THE GLASS WINDOWS. TWO WEEKS LATER, AFTER ALL COSMETIC REPAIRS WERE DONE, THE VEHICLE DID THE SAME THING IN ANOTHER PARKING LOT, BUT LUCKILY BROKE BEFORE HITTING THE CURB AND LIGHT POST. I DID FEEL UNDER MY FOOT ON THE BRAKE PEDDLE, AS I PRESSED DOWN TO STOP, A SLIP OF SOME SORT WHICH AT THE SAME TIME CAUSED THE VEHICLE TO PUSH FORWARD RIGHT BEFORE STOPPING. THIS IS DEFINITELY A MALFUNCTION OF SOME SORT WITH THE ANTI-LOCK BRAKE SYSTEM. *TR
TL* THE CONTACT OWNS A 2012 GMC SIERRA 1500. THE CONTACT STATED THAT WHILE DRIVING 55 MPH, THE RIGHT AND LEFT TURN SIGNAL AND SAFETY BELT CHIME STOPPED WORKING. ALSO, THE RADIO MALFUNCTIONED AND THE VEHICLE VEERED TO THE RIGHT. THE MANUFACTURER WAS NOT CONTACTED AND THE VEHICLE WAS NOT DIAGNOSED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 60,000 AND THE CURRENT MILEAGE WAS 65,274. UPDATED 10/2/14*CN THE CONSUMER STATED THAT THE INTERIOR LIGHTS ALSO WENT OUT. THE VEHICLE WAS REPAIRED UNDER RECALL. UPDATED 3/9/15 *JS
PASSANGER FRONT DOOR HANDLE FAILURE. LOUD NOISE WAS HEARD UPON CLOSING OF THE DOOR. DOOR HANDLE PULL CLEAR FROM THE DOOR. WINDOW CANNOT BE ROLLED DOWN AND INTERNAL DOOR HANDLE IS INOPERABLE. *JS
WHILE THE VEHICLE WAS BEING DRIVEN, IT JUST WENT DEAD, NO ENGINE, NO ELECTRIC, NO NOTHING. THE VEHICLE WAS LEFT IN PLACE AND AT SOME POINT, CAUGHT FIRE AND BURNED. A TOTAL LOSS. TO DATE, THE INSURANCE COMPANY HAS NOT PAID ME FOR MY LOSS BUT RATHER HAS GONE TO GREAT LENGTHS TO INVESTIGATE ME PERSONALLY, LOOKING FOR ANY REASON TO NOT PAY. SO, I'VE BEEN MAKING TWO VEHICLE PAYMENTS FOR THE LAST 8 MONTHS. AS A RESULT, I AM STRUGGLING FINANCIALLY. *TR
TL* THE CONTACT OWNS A 2012 GMC SIERRA K-1500. THE CONTACT STATED THAT WHILE DRIVING 75 MPH, THE VEHICLE BEGAN TO DECELERATE AS THE WARNING LIGHTS IN THE INSTRUMENT PANEL ILLUMINATED. THE VEHICLE WOULD NOT ACCELERATE BEYOND 35 MPH. THE FAILURE WAS RESOLVED MOMENTARILY AFTER THE VEHICLE WAS RESTARTED BUT SOON RECURRED. THE VEHICLE WAS TAKEN TO THE DEALER, BUT THEY WHERE UNABLE TO DUPLICATE THE FAILURE. THE FAILURE WAS NOT REPORTED TO THE MANUFACTURER. THE FAILURE MILEAGE WAS 7,000. THE CURRENT MILEAGE WAS 20,000. KMJ
TL* THE CONTACT OWNS A 2012 GMC SIERRA. THE CONTACT STATED THAT WHILE MAKING A RIGHT TURN, THE DRIVER FRONT AIR BAG ERRONEOUSLY DEPLOYED AND CAUSED THE CONTACT TO CRASH INTO A POLE. THE VEHICLE WAS DESTROYED BUT THERE WERE NO INJURIES. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 6,700. THE VIN WAS UNAVAILABLE.
APPARENTLY GM USES PEANUT OIL TO LUBRICATE WIRING SO THEY CAN MORE EASILY INSULATE, ETC (ACCORGING TO THE GM DEALER). THIS ATTRACTS RATS AND MICE WHICH CHEW UP THE WIRING - POTENTIALLY IMPACTING SENSORS AND OTHER ITEMS CONTROLLING CRUISE, STABILITY/TRACTION CONTROL, AND ANY NUMBER OF ELECTRICAL SYSTEMS THAT THE DRIVER MAY BE RELYING UPON FOR SAFETY. I ACTUALLY HAD MAP SENSOR WIRES CHEWED UP THAT DISABLED MY STABILITY/TRACTION SYSTEMS AND INHIBITED ENGINE PERFORMANCE. LUCKILY FOR ME IT HAPPENED IN MY DRIVEWAY RATHER THAN ON THE HIGHWAY. DEALER CLAIMS IT IS NOT WARRANTY ITEM EVEN THOUGH CAUSED BY A PROCESS THAT GM ELECTS TO USE IN BUILDING THE VEHICLE. THIS COULD IMPACT ANY/EVERY VEHICLE THAT GM BUILDS WITH USE OF PEANUT OIL (MAY INDEED BE ALL OF THEIR MODELS). *TR
TL* THE CONTACT OWNS A 2012 GMC SIERRA. THE CONTACT STATED THAT WHILE DRIVING UPHILL AND ATTEMPTING TO DECELERATE. THE VEHICLE ACCELERATED ABNORMALLY. IN ORDER TO STOP THE VEHICLE, THE CONTACT ABRUPTLY APPLIED THE BRAKES AS THE ENGINE EXHIBITED A LOUD THUMP. THE CONTACT TOOK THE VEHICLE TO THE DEALER BUT THEY WERE UNABLE TO DUPLICATE THE FAILURE. THE FAILURE AND THE CURRENT MILEAGES WERE 5,545. UPDATED 13/13/12 *CN
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.
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