2021 GMC SIERRA 1500 Complaints
View complaints related to 2021 GMC SIERRA 1500. The complaints found here are submitted by actual consumers with first hand experience. There are more than 530 complaints submitted for the 2021 GMC SIERRA 1500. You can submit your own complaint to the NHTSA or call the Hotline, Monday-Friday 8am to 8pm at (888) 327-4236, TTY: (800) 424-9153.
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2021 GMC SIERRA 1500- GREER, SC
TL* THE CONTACT OWNS A 2021 GMC SIERRA 1500. THE CONTACT STATED THAT WHILE DRIVING AT 60 MPH, AN ABNORMAL NOISE APPEARED UNDER THE HOOD. WITHOUT WARNING AN EXPLOSION OCCURRED. THE CONTACT MANAGED TO VEER TO SHOULDER OF THE ROAD GET OUT THE VEHICLE TO CHECK AND SEE WHAT THE NOISE WAS. THE CONTACT NOTICED FLAMES APPEARED BY THE REAR WHEEL ON THE DRIVER SIDE. THE CONTACT GRABBED THE FIRE EXTINGUISHER AND EXTINGUISHED THE FLAMES. THE FIRE DEPARTMENT WAS CONTACTED HOWEVER NO REPORT WAS FILED. THE POLICE WERE CONTACTED BUT NO REPORT WAS FILED. THE VEHICLE WAS TOWED TO QUALITY BUICK GMC, INC (7901 LOMAS BLVD NE, ALBUQUERQUE, NM 87110 (505) 765 1300) WHERE IT WAS DIAGNOSED AND DETERMINE THE ENGINE WAS FAULTY THAT WOULD BE COVERED UNDER WARRANTIES TO REPAIR. THE VEHICLE WAS REPAIRED. HOWEVER, THE CONTACT FEELS UNSAFE DRIVING THE VEHICLE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE STARTED AND STARTED AN INVESTIGATION. THE FAILURE MILEAGE WAS APPROXIMATELY 2,800.
Source: HOTLINE VEHICLE OWNERS QUESTIONNAIRE -
2021 GMC SIERRA 1500- BROKEN ARROW, OK
WHILE DRIVING DURING WINTER CONDITIONS WITH TEMPERATURE AT 3 DEGREES ON A RESIDENTIAL STREET WITH LIMITED TRAFFIC, THE DIESEL FUEL IN THE FUEL FILTER GELLED UP WHICH CAUSED THE VEHICLE TO DISPLAY REDUCE POWER MODE AND THEN IMMEDIATELY SHUT OFF AND WOULD NOT START. THE VEHICLE COASTED TO A STOP IN THE MIDDLE OF THE STREET WHILE IN TRAFFIC. THE OWNERS MANUAL LISTS UTILIZING TOP TIER DIESEL WHICH I DID. WHILE ADDITIVES ARE NOT NORMALLY NEEDED IN MOST STATES TO FUEL FOR FREEZING CONDITIONS EVIDENTLY THEY ARE NEEDED IN OKLAHOMA. THE FUEL FILTER HOUSING IS THE ONLY PLACE WHERE THE FUEL GELLED UP, WHICH APPEARS TO BE A THEME IN MOST GMC DIESEL TRUCKS AND DOES NOT EFFECT FUEL IN THE FUEL TANK DUE TO VOLUME. GMC HAS DONE NOTHING TO IMPROVE THE DESIGN OR INCREASE INSULATION TO THE THIN FUEL FILTER HOUSING. IF I HAD BEEN IN FAST TRAFFIC ON THE INTERSTATE IT WOULD HAVE RESULTED IN AN ACCIDENT AND POSSIBLE LOSS OF LIFE.
Source: NHTSA WEB SITE -
2021 GMC SIERRA 1500- SPOKANE, WA
BRAND NEW 2021 SIERRA AT4. KEEP LANE ASSIST HASN'T WORKED SINCE DAY ONE. LANE DEPARTURE WARNING EITHER. IT'S BEEN TO THE DEALER TWICE AND STILL NO SOLUTION. IT WON'T TURN ON
Source: NHTSA WEB SITE -
2021 GMC SIERRA 1500- MEDFORD, OR
THE VEHICLE WAS BOUGHT BRAND NEW AND WAS ONLY DRIVEN FOR A WEEK. IT WAS IN MOTION ON THE FREEWAY WHEN THE ENGINE STARTED TO SOUND NOISIER THAN USUAL, LIKE THAT OF AN OLDER TRUCK. IT WAS HARD TO NOTICE ON HIGHER SPEEDS ON THE FREEWAY, BUT UPON SLOWING DOWN ON CURVES, IT GOT MORE OBVIOUS THAT SOMETHING WAS REALLY WRONG BECAUSE THE NOISE SOUNDED LIKE SOMETHING WAS LOOSE INSIDE THE ENGINE. THERE WAS NO 'CHECK ENGINE' LIGHT OR ANY OTHER WARNING LIGHTS. UPON EXITING THE FREEWAY, THE ENGINE SHUT OFF COMPLETELY WHILE IN MOTION. FORTUNATELY, I WAS ABLE TO PULL IN A PARKING LOT AND PARK IT SAFELY. THE ENGINE WOULD NOT START SAFELY AFTER THAT, AND 'CHECK ENGINE' ACTIVATED. THE VEHICLE IS CURRENTLY BEING DIAGNOSED AT A DEALERSHIP. LAST UPDATE WAS THAT THE ENGINE WAS BEING TAKEN APART COMPLETELY BECAUSE THEY SAID IT'S DEFINITELY INSIDE IT.
Source: NHTSA WEB SITE -
2021 GMC SIERRA 1500- TUCSON, AZ
STARTED VEHICLE EVERYTHING WAS NORMAL SHIFTED VEHICLE INTO DRIVE PROCEEDED FORWARD. WHILE DRIVING VEHICLES STEERING SEIZED I WAS UNABLE TWO MOVE THE STEERING WHEEL. IT WAS ALSO VERY DIFFICULT TO STOP THE VEHICLE BRAKES WERE NOT WORKING PROPERLY. MESSAGES CAME UP ON TO DISPLAY READING SERVICE POWER STEERING AND BRIEFLY IMESSAGE ABOUT THE BRAKES FLASHED QUICKLY ON THE MESSAGE BOARD. AT THAT POINT TURN THE VEHICLE OFF AFTER I GOT IT STOPPED TURN IT BACK ON SAME MESSAGE STILL UNABLE TO TURN THE STEERING WHEEL REPEATED THIS SEVERAL TIMES APPROXIMATELY FOR FOURTH TIME THE MESSAGE CLEARED AND THE VEHICLE WAS BACK TO NORMAL. THIS OCCURRED ON A CITY STREET.
Source: NHTSA WEB SITE -
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2021 GMC SIERRA 1500- GLENDALE, AZ
REACHED FOR A FALLEN OBJECT BETWEEN THE DRIVER AND MIDDLE FRONT SEAT AND THERE IS A RAZOR SHARP PIECE THAT TOOK A LARGE CHUNK OUT OF THE HAND WHICH CAUSED HEAVY BLEEDING AND MEDICAL SUPPLIES TO STOP. THE VEHICLE WAS STOPPED AND JUST TRIED TO RETRIEVE FALLEN OBJECT BETWEEN THE SEATS. THE INCREDIBLY SHARP PARTS NEED TO BE CUT OR REMOVED FROM THIS AND OTHER SIMILAR VEHICLES OR COVERED WITH SOMETHING. IT WAS BARE METAL EXPOSED OUT WITH SHARP EDGES THAT CUT THE RIGHT HAND SO BADLY.
Source: NHTSA WEB SITE