2012 GMC Sierra 1500

What owners report most often

1. Electrical system10
2. Structure10
3. Other or unspecified10
4. Service brakes7
5. Steering7
6. Air bags6
7. Engine6
8. Power train4

Recalls and investigations

1. Air bags, frontal, passenger side, inflator moduleFeb 5, 2021

   General Motors, LLC (GM) is recalling certain 2014 Cadillac Escalade, Escalade ESV, Chevrolet Silverado 2500, Silverado 3500, Suburban, Tahoe, GMC Sierra 2500, Sierra 3500, Yukon, and Yukon XL vehicles originally sold, or ever registered, in the states of AL, CA, FL, GA, HI, LA, MS, SC, TX, PR, AS, GU, the MP, and VI or "Zone A." Additionally GM is recalling certain 2011-2014 Cadillac Escalade, Escalade ESV, Chevrolet Silverado 2500, Silverado 3500, Suburban, Tahoe, GMC Sierra 2500, Sierra 3500, Yukon, Yukon XL and 2011-2013 Cadillac Escalade EXT, Chevrolet Avalanche, Silverado 1500, and GMC Sierra 1500 vehicles originally sold, or ever registered, in the states of AZ, AR, DE, DC, IL, IN, KS, KY, MD, MO, NE, NV, NJ, NM, NC, OH, OK, PA, TN, VA, and WV or "Zone B." Additionally, GM is recalling certain 2010-2014 Cadillac Escalade, Escalade ESV, Chevrolet Silverado 2500, Silverado 3500, Suburban, Tahoe, GMC Sierra 2500, Sierra 3500, Yukon, and Yukon XL and 2010-2013 Cadillac Escalade EXT, Chevrolet Avalanche, Silverado 1500, and GMC Sierra 1500 vehicles originally sold, or ever registered, in the states of AK, CO, CT, ID, IA, ME, MA, MI, MN, MT, NH, NY, ND, OR, RI, SD, UT, VT, WA, WI, and WY or "Zone C." These vehicles are equipped with non-desiccated passenger frontal inflators containing phase-stabilized ammonium nitrate (PSAN) propellant. These inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, high temperatures, and high temperature cycling.

   An inflator explosion may result in sharp metal fragments striking the driver or other occupants, resulting in serious injury or death.

   GM will notify owners, and dealers will replace the front passenger air bag inflator with an alternate one, free of charge. Interim letters notifying owners of the safety risk were mailed on February 25, 2021. Second notification letters will be mailed once the remedy is available. Owner notification letters were mailed to 40 VIN owners on May 11, 2021. A second owner notification letter was mailed to all other owners on January 24, 2022. Owners may contact Chevrolet customer service at 1-800-222-1020; Cadillac customer service at 1-800-458-8006; and GMC customer service at 1-800-462-8782. GM's number for this recall is N212328800.

   Campaign 21V054000 on NHTSA.gov

2. Air bags, frontal, passenger side, inflator moduleFeb 5, 2021

   General Motors, LLC (GM) is recalling certain 2012 Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche, Silverado 1500, Silverado 2500/3500, Suburban, Tahoe, GMC Sierra 1500, Sierra 2500/3500, Yukon, and Yukon XL originally sold, or ever registered, in the states of Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands or "Zone A." These vehicles are equipped with non-desiccated passenger frontal inflators containing phase-stabilized ammonium nitrate (PSAN) propellant. These inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, high temperatures, and high temperature cycling.

   An inflator explosion may result in sharp metal fragments striking the driver or other occupants, resulting in serious injury or death.

   GM will notify owners, and dealers will replace the front passenger air bag inflator with an alternate one, free of charge. Interim letters notifying owners of the safety risk were mailed on February 22, 2021. Second notification letters will be mailed once the remedy is available. Owner notification letters were mailed on May 11, 2021. Owners may contact Cadillac customer service at 1-800-458-8006; Chevrolet customer service at 1-800-222-1020; and GMC customer service at 1-800-462-8782. GM's number for this recall is N212328770.

   Campaign 21V051000 on NHTSA.gov

3. EquipmentApr 26, 2018

   General Motors LLC (GM) is recalling certain 2009-2014 Chevrolet Silverado HD and GMC Sierra HD, 2009 GMC Topkick 5000, 6000, 7000 and 8000 Series and Isuzu F Series, and 2009-2018 Chevrolet Express, and GMC Savana vehicles, equipped with certain Plastic-Handle Fire Extinguishers or Push Button 'Pindicator' Fire Extinguishers. These extinguishers may become clogged, preventing the extinguisher from discharging as expected or requiring excessive force to activate the extinguisher. Additionally, in certain models, the nozzle may detach from the valve assembly with enough force that it could cause injury and also render the product inoperable. For a full list of the affected fire extinguisher models visit: https://static.nhtsa.gov/odi/rcl/2017/RMISC-17E062-5427.pdf

   In the event of a fire, if the fire extinguisher does not function properly, it can increase the risk of injury.

   GM will notify owners, instructing them to contact Kidde to get a replacement fire extinguisher, free of charge. The recall began June 11, 2018. Owners may contact Chevrolet customer service at 1-800-222-1020, GMC customer service at 1-800-462-8782, and Isuzu customer service at 1-866-441-9638. GM's number for this recall is 18146.

   Campaign 18V267000 on NHTSA.gov

Representative owner complaints

49 reports, newest first.

1. Other or unspecified, Sep 9, 2015

   THIS MORNING WHEN I GOT IN MY TRUCK, I NOTICED THE DASHBOARD BY THE PASSENGER SIDE AIRBAG HAD CRACKED OVERNIGHT. THE WEATHER HASN'T BEEN TOO HOT OR COLD. DAYS IN LOWER 90S AND LOWS IN UPPER 70S. I HAVE READ THIS IS A COMMON ISSUE AND I AM AFRAID AN AIRBAG DEPLOYMENT WILL LAUNCH PLASTIC PIECES THROUGH THE CABIN.

2. Suspension, Power train, Service brakes, Sep 1, 2015

   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.

3. Electrical system, Aug 20, 2015

   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.

4. Structure, Aug 7, 2015

   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.

5. Electrical system, Jul 2, 2015

   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.

6. Steering, Service brakes, Engine, Feb 7, 2015

   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

7. Engine, Dec 8, 2014

   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

8. Steering, Tires, Wheels, Dec 5, 2014

   I HAVE GOODYEAR WRANGLER SR-A 265 60R20 TIRES ON MY SIERRA DENALI HD 2500. I WAS ON THE WAY BACK FROM NC VIA I-95 AND PULLED OVER SO MY WIFE COULD NURSE OUR 3 WEEK OLD. ME AND THE BOYS WENT IN K-MART FOR A FEW MINUTES. UPON RETURNING AND GETTING BACK ON THE ROAD, I NOTICED MY CAR WAS PULLING BAD RIGHT AND THE STEERING WHEEL WAS SHAKING VERY BADLY. I MANAGED TO DRIVE IT THE ADDITIONAL 30 MILES BACK HOME. WHEN I STARTED THE TRUCK THE NEXT MORNING, THE STEERING WHEEL SHAKE WAS TOO BAD TO CONTINUE ANYWHERE BUT THE DEALERSHIP. I DROVE TO THE DEALERSHIP AND THEY SAID THAT THE TIRES WOULD BE COVERED UNDER MY EXISTING "BUMPER TO BUMPER" WARRANTY AS THE DEALERSHIP NOTICED THAT THERE WAS A HUGE BULGE IN THE TIRE WHICH WAS CAUSING ALL OF THE COMMOTION. UPON FURTHER INSPECTION, IT WAS NOTED THAT THE FRONT RIGHT TIRE ALSO HAD BULGES, THESE IN THE SIDEWALL WHERE THE TIRE MEETS THE RIM. THE DOT BATCH NUMBER IS #PJ6KA5IV 32/11 AND BOTH TIRES WERE FROM THE SAME BATCH. I WAS DRIVING AROUND WITH TWO DEFECTIVE TIRES!!!!!!! WITH MY 8 YEAR SON, 4 YEAR OLD SON, 3 WEEK OLD DAUGHTER AND MY WIFE. THIS IS UNACCEPTABLE! OUR LIVES WERE AT RISK! IMAGINE MY SURPRISE WHEN THE DEALERSHIP CALLED THE FOLLOWING MORNING AND SAID THAT GM HAD "CHANGED THEIR POLICIES AND THEY WOULD ONLY BE GIVING ME A 30% DISCOUNT." I UNDERSTAND POLICY BUT THESE TIRES ONLY MEASURED LITTLE WEAR AND SHOULD HAVE AT LEAST 55% MORE TREAD LIFE BASED ON THE EXACT TIRE MEASUREMENTS. INSTEAD, GM IS USING A SLIDING SCALE FOR MILEAGE THAT DOES NOT TAKE ACTUAL MEASUREMENTS INTO THEIR ASSESSMENT. SO NOW, I AM OUT $350 FOR 2 NEW TIRES THAT SHOULD HAVE LASTED A WHOLE LOT LONGER AND NO HELP FROM GOODYEAR OR GMC. *TR

9. Structure, Nov 18, 2014

   TL* THE CONTACT OWNS A 2012 GMC SIERRA DENALI. THE CONTACT STATED THAT THE DASHBOARD CRACKED. THE CONTACT MENTIONED THAT A RATTLING SOUND EMITTED FROM THE DASHBOARD. THE VEHICLE WAS TAKEN TO A DEALER. THE TECHNICIAN DIAGNOSED THAT THE DASHBOARD NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE ISSUE. THE APPROXIMATE FAILURE MILEAGE WAS 70,000. UPDATED 01/07/14*LJ UPDATED 5/29/2015 *JS

10. Electronic stability control (ESC), Service brakes, Jul 23, 2014, crash

    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

11. Steering, Electrical system, Jul 10, 2014

    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

12. Visibility, Latches/locks/linkages, May 19, 2014

    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

13. Structure, Wheels, Engine, Mar 30, 2014, fire

    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

14. Steering, Service brakes, Mar 6, 2014

    AFTER EXITING INTERSTATE LOST STEERING AND BRAKES BRIEFLY IN PARKING LOT. PUMPED BRAKE AND BOTH RETURNED AFTER A HISSING SOUND. RECURRED A FEW TIMES IN NEXT 6 MONTHS OR SO. THEN, IN THE FALL OF 2013, LOST STEERING AND BRAKES ON I-49/US71B HEADING SOUTH FROM JOPLIN, MISSOURI. YOU COULD PUMP THE BRAKES AND BRIEFLY REGAIN, BUT FOR THE MOST PART ALL STEERING AND BRAKES WERE OUT. TOOK TRUCK TO GMC DEALER WHERE PURCHASED NEW IN BENTONVILLE. DEALER CONFIRMED NO STEERING AND BRAKES AND DAMAGED BUMPER WHILE VEHICLE IN ITS POSSESSION BY BUMPING INTO PARKING LOT BARRIER. DEALER DIAGNOSED POWER STEERING PUMP PROBLEM AND INDICATED THAT BRAKES AND POWER STEERING ARE TIED TO SAME PUMP/SYSTEM. DEALER REPLACED PUMP BUT SAID THAT EVEN THOUGH IT WAS A TWO OR THREE PART SYSTEM COULD ONLY REPLACE THE PUMP. TRUCK CONTINUED TO HAVE PROBLEMS AND WAS TAKEN BACK TO DEALER FOLLOWING SIMILAR EPISODE WHERE LOST BOTH STEERING AND BRAKES. DEALER REFUSED TO DO ANYTHING TO REPLACE THE OTHER COMPONENTS BECAUSE COULD NOT REPLICATE THE PROBLEM. DEALER CLAIMED NO NOTICE OF ANY OTHER COMPLAINTS OF THIS NATURE FORM GM OR ANY OTHER SOURCE. WE PLEADED WITH THE DEALER ABOUT IT BEING A SAFETY ISSUE AND ASKED THAT THE DEALER REPLACE THE OTHER COMPONENTS IT IDENTIFIED AS POSSIBLY RELATED. DEALER TOOK NO FURTHER ACTION CLAIMING WITHOUT GM TELLING THEM TO LOOK FURTHER AND PAY FOR IT THEY COULD DO NOTHING ELSE. TRUCK CONTINUES TO HAVE PROBLEMS INTERMITTENTLY. IT IS NONSENSICAL FOR A TRUCK TO HAVE TWO SIGNIFICANT SAFETY SYSTEMS TIED TOGETHER WITH NO SECONDARY SUPPORT OR FAIL SAFE SYSTEM TO GUARANTEE THAT OPERATOR STILL HAVE BRAKES AND STEERING AT ALL TIMES. TRUCK ALSO HAS RATTLES CONSISTENT WITH THE SERVICE LETTERS / ISSUES NOTED ON THIS WEBSITE. *TR

15. Steering, Service brakes, Hydraulic, Equipment, Oct 28, 2013

    2012 GMC DENALI. CONSUMER WRITES IN REGARDS TO VEHICLE STEERING PROBLEMS. *SMD THE CONSUMER NOTICED A VERY BAD PROBLEM WITH THE STEERING WHENEVER HE SLOWED DOWN TO TURN, HE WOULD LOOSE CONTROL OVER THE ABILITY TO TURN. THE WHEEL LOCKED DOWN WHEN HE APPLIED THE BRAKE AND TRIED TO TURN AT THE SAME TIME. HE WAS NOT ABLE TO TURN UNTIL HE PRESSED ON THE ACCELERATOR OR RELEASED THE BRAKE. THE DEALER SAID IT WAS CAUSED BY THE POWER BOOSTER TAKING ALL THE POWER TO THE BRAKES AND LEAVING VERY LITTLE TO THE STEERING. ALSO, THERE WAS A PROBLEM WITH THE BACK-UP SCREEN. THE PICTURE WAS EXTREMELY DARK, AND IT WAS HARD TO MAKE OUT THE IMAGES ON THE SCREEN. THE DEALER TRIED TO LIGHTEN THE SCREEN, BUT TO NO AVAIL.

16. Vehicle speed control, Jun 24, 2013

    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

17. Air bags, Mar 8, 2013, crash

    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.

18. Electrical system, Structure, Electronic stability control (ESC), Engine, Jan 4, 2013

    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

19. Steering, Nov 19, 2012

    LOSS OF STEERING CONTROL (THREE EPISODES) : 13 NOV 2012, WHILE EXITING NB I-95 ONTO EB ROUTE 214 IN LANDOVER, MD, MY STEERING WHEEL LOCKED. MY SPEED AT THE TIME WAS APPROXIMATELY 50 MPH. I WAS ABLE TO BRAKE RAPIDLY AS THE RAMP BEGAN TO STRAIGHTEN FROM IT'S SWEEPING RIGHT CURVE. THE LOCKED STEERING WAS FORCING ME ONTO THE RIGHT SHOULDER. LUCKILY I WAS ABLE TO STOP MY TRUCK ON THE RIGHT SHOULDER BEFORE THE LOCKED STEERING FORCED ME OFF THE HARD TOP. DURING THIS EVENT, THE TRUCKS ENGINE REMAINED RUNNING AND THE IGNITION KEY STAYED TURNED ON. ONCE I WAS SAFELY STOPPED ON THE RAMP'S SHOULDER, I MADE ATTEMPTS TO TURN THE STEERING WHEEL. WITH BOTH OF MY HANDS ON THE WHEEL AND WHILE EXERTING A LOT OF UPPER BODY STRENGTH, I WAS ABLE TO BRAKE THE STEERING WHEEL FREE. YES, I DROVE THE CAR HOME FROM THAT POINT, A DISTANCE OF 16 MILES. EVERYTHING WITH THE STEERING APPEARED TO BE NORMAL, AGAIN. THIS PROBLEM APPEARS TO BE INTERMITTENT AND HAS NOW OCCURRED TO DATE, A TOTAL OF THREE TIMES. BETWEEN THE SECOND AND THIRD INCIDENT, THE TRUCK WAS TAKEN TO CAPITOL CADILLAC - GMC IN SUBURBAN MARYLAND WASHINGTON DC, FOR DIAGNOSIS OF THE PROBLEM. WHILE THE TRUCK WAS IN CAPITOLS POSSESSION, IT WAS DRIVEN 83 MILES BUT THE STEERING PROBLEM DID NOT PRESENT ITSELF. TWO DAYS AFTER RETRIEVING MY TRUCK FROM CAPITOL, THE STEERING BEGAN EXHIBITING A STRONG FEELING OF RESISTANCE AS IF IT WAS GOING TO FULLY LOCK, AGAIN. IT DID NOT HOWEVER. THE TRUCK IS SCHEDULED TO RETURN TO CAPITOL CADILLAC - GMC ON 20 NOV 2012. *TR

20. Vehicle speed control, Oct 19, 2012

    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

21. Electrical system, Exterior lighting, Structure, Engine, Oct 17, 2012, fire

    VEHICLE WAS TAKEN TO GMC DEALER FOR HEADLIGHT DEFECT AND WE WERE INFORMED THAT THEY WOULD HAVE TO ORDER PARTS. DROVE TRUCK BACK TO SITE AND WHILE TRUCK WAS RUNNING BUT STATIONARY SMOKE WAS OBSERVED COMING FROM THE ENGINE COMPARTMENT. WHEN THE HOOD WAS RAISED THE ENTIRE TRUCK BECAME ENGULFED AND COMPLETELY BURNED. *TR

22. Visibility/wiper, Aug 23, 2012

    PURCHASE A NEW 2012 GMC SIERRA SLE ON 07/26/12. AS I LEAVE FOR WORK IN THE EARLY HOURS, IT REQUIRES THAT I USE THE DEFOG/DEFROST. ON THE MORNING OF THE 28TH I SELECTED THE DEFOG/DEFROST AND ONLY THE DRIVER'S SIDE CLEARED. THINKING IT MAY BE ISOLATED, I RECEIVED THE SAME RESULT ON THE 29TH. I CALLED THE SELLING DEALER ABOUT ANOTHER MATTER AND MENTIONED THIS PROBLEM. ON AUGUST 9TH THE TRUCK WAS TAKEN FOR SERVICE AND TO ADDRESS THIS ISSUE. WAS TOLD THAT IT IS OPERATING AS NORMAL AND THE DEALER TESTED TWO OTHER NEW TRUCKS. STILL NOT HAPPY WITH THE ANSWER, I CALLED GMC. THEY SETUP SERVICE AT ANOTHER DEALERSHIP FOR THE 16TH. AGAIN, NO PROBLEMS COULD BE FOUND PER THEIR TESTING, BUT WERE GOING TO CHANGE THE DUCT AS THE AIR FLOW WAS MUCH GREATER TO THE DRIVER'S SIDE. WHEN THE DUCT CAME IN, THEY OPTED NOT TO CHANGE IT, AS IT REQUIRES TO STRIP THE DASH TO THE WINDSHIELD. ALL THIS TIME GMC WAS UPDATED OF THE PROGRESS. THE SYSTEM DOESN'T CLEAR THE PASSENGER SIDE OF THE WINDSHIELD AND PASSENGER DOOR WINDOW. GMC STAND IS, THAT ENGINEERING DESIGN THE SYSTEM THIS WAY TO CLEAR THE DRIVER'S SIDE QUICKER DURING POOR WEATHER, AS LIKE SNOW AND ICE. MY STAND IS THAT THIS IS NOT A PROPER ANSWER FOR A VEHICLE MAKER TO STATE. THIS ISSUE MAKES THE VEHICLE UNSAFE TO OPERATE AND I DO NOT LIVE WITHIN AN AREA SEEING THIS TYPE OF WEATHER OFTEN. I HAVE READ MANY INTERNET ARTICLES RELATED TO THIS. OTHER OWNERS TRUCKS OPERATE PROPERLY CLEARING BOTH SIDES OR HAVE HAD THEM PROPERLY REPAIRED IF THEY HAVE HAD THE SAME ISSUE. I NEED TO HAVE MY VEHICLE REPAIRED SO THAT IT CAN BE OPERATED SAFELY. GMC WILL NOT ADMIT THAT THIS IS A PROBLEM REQUIRING REPAIRS. *TR

23. Steering, Suspension, Service brakes, Hydraulic, Mar 14, 2012, crash

    JUST PURCHASES NEW 2012 GMC SIERRA 3500 , 400 MILES , HAVE HAD ALIGNMENT / STEERING PROBLEMS WITH A DRIFT TO LEFT AND A WONDERING STEERING WHEEL, ALSO BRAKE AND ABS LIGHTS ON, WENT TO DEALER THEY LOOKED AT IT FOR 2 HRS, AND SAID IT NEEDED A PART ORDERED AND THERE WAS A TSB ON IT, THE TECH SAID IT WOULD BE SAFE TO DRIVE BUT I WOULD NOT HAVE ABS BRAKES, ALSO HE WOULD CHECK ALIGNMENT AGAIN AT TIME WHEN PART CAME IN 4 DAYS EST, BRAKE AND ABS LIGHT REMAINED ON, VEHICLE DROVE FINE THE NEXT DAY UNTIL A ACCIDENT, WENT AROUND CURVEAT 55 MPH, APPLIED BRAKES TO SLOW, BRAKES WENT TO FLOOR UN ABLE TO SLOW AT ALL WENT OFF THE ROAD LOST CONTROL AND CRASHED INTO TREES, BOTH AIRBAGS DEPLOYED , WENT TO EMERGENCY ROOM WITH ARM INJURY AND RIB INJURIES, BRAND NEW TRUCK VERY SCARRY I WILL NEVER BUY A GM PODUCT AGAIN. *TR

24. Engine and engine cooling, Mar 12, 2012

    TL* THE CONTACT OWNS A 2012 GMC SIERRA. THE CONTACT STATED THAT WHENEVER THE VEHICLE WAS IDLING THE CONTACT NOTICED THAT THE VEHICLE WOULD VIBRATE WITHOUT WARNING. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE CONTACT WAS INFORMED THAT THE FAILURE COULD NOT BE REPAIRED. THE CURRENT AND THE FAILURE MILEAGES WERE 1,200. ..UPDATED 04/16/12 *BF UPDATED 05/07/12