NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
30 reports120,000 miles · Jan 29, 2025
Exterior LightingVisibility
The contact owns a 2016 GMC Sierra Denali. The contact stated while driving 10 MPH, the rear windshield exploded without impact. The contact stated that the rear fogger had been activated independently. There were no injuries sustained. There was water located in the third taillight. The contact noticed there was mold and mildew…
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The contact owns a 2016 GMC Sierra Denali. The contact stated while driving 10 MPH, the rear windshield exploded without impact. The contact stated that the rear fogger had been activated independently. There were no injuries sustained. There was water located in the third taillight. The contact noticed there was mold and mildew in the taillight. The contact was seeking assistance from the insurance company. The contact called the local dealer and was informed that there were no recalls on the VIN related to the failure. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 120,000.
NHTSA ODI #11639303
115,200 miles · Mar 11, 2021
StructureUnknown Or Other
WHILE DRIVING 70MPH ON HIGHWAY SUNROOF EXPLODED. SCREEN WAS IN PLACE SO GLASS SHARDS DID NOT ENTER THE CABIN. THERE WAS NOT AN OVERPASS NOR LARGE TRUCKS IN THE AREA TO BE CAUSED BY DEBRIS OR THROWN ROCKS.
NHTSA ODI #11400327
80,000 miles · Mar 9, 2021
Steering
EXCESSIVE SLOP AND UNCONTROLLABLE, UNINTENDED STEERING SHIFTS CAUSING VEHICLE TO UNEXPECTEDLY AND SUDDENLY VEER OUT OF LANE OF TRAVEL RELATED TO DEFECTIVE LASH ADJUSTMENT STEERING BOX
NHTSA ODI #11399983
77,000 miles · Oct 11, 2020
Electronic Stability Control (esc)Power TrainService Brakes
APPARENTLY, THE 8 SPEED AUTOMATIC TRANSMISSION HAS ISSUES WITH WIRING HARNESS AND HARD SHIFTING WHICH THE MANUFACTURER HAS 18 SERVICE BULLETINS OUT ON YET STILL WILL NOT RECALL AND FIX PROBLEMS. ALSO THE BRAKE SYSTEM IS FAULTY AND UNSAFE IT LOSES PRESSURE AND EVEN BRAKING AT VARIOUS SPEEDS. AFTER TAKING IT TO THE DEALERSHIP TH…
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APPARENTLY, THE 8 SPEED AUTOMATIC TRANSMISSION HAS ISSUES WITH WIRING HARNESS AND HARD SHIFTING WHICH THE MANUFACTURER HAS 18 SERVICE BULLETINS OUT ON YET STILL WILL NOT RECALL AND FIX PROBLEMS. ALSO THE BRAKE SYSTEM IS FAULTY AND UNSAFE IT LOSES PRESSURE AND EVEN BRAKING AT VARIOUS SPEEDS. AFTER TAKING IT TO THE DEALERSHIP THEY CAN NOT FIGURE OUT WHY AND SAY IT IS VARIOUS PARTS AND SHOULD BE RECALLED BUT IT IS NOT AS OF YET. GM KNOWS OF THESE ISSUES AND THE 1000S OF DOLLARS CUSTOMERS HAVE TO PAY FOR THESE REPAIRS. THIS IS WRONG AND NEEDS TO BE RECTIFIED.
NHTSA ODI #11363769
54,000 miles · Sep 2, 2020
EnginePower TrainSteeringInjury
SINCE I'VE OWNED THIS VEHICLE I HAVE HAD TRANSMISSION PROBLEMS. ONCE IT WENT FROM 70 TO 20 ON THE HIGHWAY.. IT KICKS OR JERKS AT ANY SPEED... ESPECIALLY GOING SLOW.. THE SHIFTING IS HORRIBLE!!! THE FEELING OF IT LOSING POWER AGAIN LIKE IT DID COULD CAUSE SERIOUS DAMAGE TO THE TRANSMISSION AND UNSELFISH AND PASSENGERS.. I DON'T T…
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SINCE I'VE OWNED THIS VEHICLE I HAVE HAD TRANSMISSION PROBLEMS. ONCE IT WENT FROM 70 TO 20 ON THE HIGHWAY.. IT KICKS OR JERKS AT ANY SPEED... ESPECIALLY GOING SLOW.. THE SHIFTING IS HORRIBLE!!! THE FEELING OF IT LOSING POWER AGAIN LIKE IT DID COULD CAUSE SERIOUS DAMAGE TO THE TRANSMISSION AND UNSELFISH AND PASSENGERS.. I DON'T TRUST IT ON THE HIGHWAY!!! I KEEP A MONITOR CONNECTED TO MY TRUCK AT ALL TIMES.. THE DATES COINCIDE WITH THE PAPERWORK!! ONGOING TRANNY ISSUES ALL THE TIME!! I PAID WAY TO MUCH FOR THIS LEMON!! ENGINE VIBRATES AROUND 80.. AND IF YOU DON'T USE YOUR BLINKER.. THEY TRUCK FIGHTS YOU TO CHANGE LANES.. IT PULLS YOU BACK!!
NHTSA ODI #11352692
56,000 miles · Aug 27, 2020
Seat BeltsSteering
1) REAR DRIVER SIDE SEATBELT WOULD NOT RETRACT WHEN UNBUCKLED. SEATBELT HAD TO BE MANUALLY FED BACK IN SO THAT THE BELT DIDN'T DANGLE OR GET SHUT IN THE DOOR. REPAIRED AT DEALERSHIP ON JUNE 18, 2020 AT ROUGHLY 55-56,000 MILES. 2) TRUCK IS CURRENTLY SHAKING WHEN DRIVING AND HAS TENDENCIES TO SHAKE VIOLENTLY AT TIMES. I'M CU…
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1) REAR DRIVER SIDE SEATBELT WOULD NOT RETRACT WHEN UNBUCKLED. SEATBELT HAD TO BE MANUALLY FED BACK IN SO THAT THE BELT DIDN'T DANGLE OR GET SHUT IN THE DOOR. REPAIRED AT DEALERSHIP ON JUNE 18, 2020 AT ROUGHLY 55-56,000 MILES. 2) TRUCK IS CURRENTLY SHAKING WHEN DRIVING AND HAS TENDENCIES TO SHAKE VIOLENTLY AT TIMES. I'M CURRENTLY JUST SHY OF 59,000 MILES ON THE TRUCK AND HAS BEEN NOTICEABLE WITHIN THE LAST 1,000 MILES. RESEARCHING IT APPEARS IT HAS A COMMON NAME OF "CHEVY SHAKE."
NHTSA ODI #11351566
45,000 miles · Jul 6, 2020
WheelsCrash
HIT POST AT PARKING SPEED AN WHEEL SPLIT INTO TWO SECTIONS
NHTSA ODI #11337673
40,000 miles · Apr 20, 2020
Electrical System
I HAVE DIESEL 3500 1FUEL TANK THE FUEL GAUGE DOESN'T ALWAYS COME ON AND IF DOES IT MAY TAKE SEVERAL MILES BEFORE IT BEGINS TO WORK. OR SOMETIMES IT MAY JUST QUIT. THEN OTHER TIME IT MAY WORK JUST FINE. THERE SEEMS TO BE A PROBLEM. THE PROBLEM DID NOT START TILL I TURNED ABOUT 40,000 I HAVE ABOUT 42,000 NOW. IF IT WORKS TODAY T…
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I HAVE DIESEL 3500 1FUEL TANK THE FUEL GAUGE DOESN'T ALWAYS COME ON AND IF DOES IT MAY TAKE SEVERAL MILES BEFORE IT BEGINS TO WORK. OR SOMETIMES IT MAY JUST QUIT. THEN OTHER TIME IT MAY WORK JUST FINE. THERE SEEMS TO BE A PROBLEM. THE PROBLEM DID NOT START TILL I TURNED ABOUT 40,000 I HAVE ABOUT 42,000 NOW. IF IT WORKS TODAY THEN IF IT SET FOR AN FEW DAY IT MAY NOT WHEN IT START TILL YOU DRIVE SEVERAL MILES. THEN IT MAY WORK FOR SEVERAL DAY THEN IT MAY STOP YOU NEVER KNOW WHEN IT GOING TO STOP. DO YOU HAVE A ANSWER FOR THIS PROBLEM. I KNOW THERE A PROBLEM WITH DUAL TANKS BUT HAVE SINGLE TANK.
NHTSA ODI #11321745
94,000 miles · Feb 5, 2020
Visibility/wiper
TL* THE CONTACT OWNS A 2016 GMC SIERRA DENALI. THE CONTACT STATED AFTER PLACING THE VEHICLE INTO REVERSE, WITHIN APPROXIMATE 2 FEET THE VEHICLE MADE AN ABNORMAL LOUD NOISE. THE CONTACT LOOKED INTO THE BACKUP CAMERA AND NOTICED SMOKE. THE CONTACT EXITED THE VEHICLE HE NOTICE SHATTERED GLASS. THE REAR PASSENGER WINDOW WAS FRACTURE…
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TL* THE CONTACT OWNS A 2016 GMC SIERRA DENALI. THE CONTACT STATED AFTER PLACING THE VEHICLE INTO REVERSE, WITHIN APPROXIMATE 2 FEET THE VEHICLE MADE AN ABNORMAL LOUD NOISE. THE CONTACT LOOKED INTO THE BACKUP CAMERA AND NOTICED SMOKE. THE CONTACT EXITED THE VEHICLE HE NOTICE SHATTERED GLASS. THE REAR PASSENGER WINDOW WAS FRACTURED. THE VEHICLE WAS NOT TAKEN TO A DEALER OR A LOCAL MECHANIC FOR A DIAGNOSIS OR REPAIRS. THE MANUFACTURER WAS NOT MADE AWARE OF THIS ISSUE. THE APPROXIMATE FAILURE MILEAGE WAS 94,000.
NHTSA ODI #11307330
48,000 miles · Jan 16, 2020
Power Train
TRUCK LURCHED UNCONTROLLED FOR SEVERAL FEET WHEN PLACED IN REVERSE GEAR.
NHTSA ODI #11299736