Total Complaints
46 filings
GMC SIERRA DENALI · model year
46 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2019GMCSIERRA DENALI carries 46 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 1 injury, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2019 SIERRA DENALI is service brakes with 8 filings, followed by steering (7) and unknown or other (5). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 2 investigation files overlapping the 2019 SIERRA DENALI. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
46 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| SERVICE BRAKES | 8 |
| STEERING | 7 |
| UNKNOWN OR OTHER | 5 |
| ELECTRONIC STABILITY CONTROL (ESC) | 5 |
| ELECTRICAL SYSTEM | 5 |
| POWER TRAIN | 4 |
| ENGINE | 4 |
| EXTERIOR LIGHTING | 2 |
| STRUCTURE | 1 |
| EQUIPMENT | 1 |
| VISIBILITY:WINDSHIELD | 1 |
| TIRES | 1 |
| BACK OVER PREVENTION: SENSING SYSTEM: CAMERA | 1 |
| ENGINE AND ENGINE COOLING | 1 |
The contact owns a 2019 GMC Sierra Denali. The contact stated that while driving at 30 mph, a "Turn off engine, No oil pressure" message appeared and was accompanied by a warning chime alert. The vehicle was steered to the side of the road and turned off. The contact then observed condensation leaking under the front of the vehicle and condensation in the street leading to the vehicle. The vehicle was towed to the dealer where it was diagnosed that the engine oil cooler line detached and the engine oil cooler lines needed to be replaced. The vehicle was not yet repaired. The manufacturer was notified of the failure and advised the contact to have NHTSA add his vehicle added to an unknown recall. The failure mileage was 77,000.
Mileage: 77,000
The contact's husband owns a 2019 GMC 1500 Denali. The contact stated that the rear camera failed to operate as intended while engaged and attempting to park the vehicle. The contact added that while shifted to reverse, the camera screen remained completely black. The vehicle was taken to a dealer where it was diagnosed and determined that the rear window and control panel needed to be replaced due to a leak originating from the rear window. The vehicle was repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 9,000.
Mileage: 9,000
The contact owns a 2019 GMC Sierra LD equipped with 22â GMC tires but the spare tires are 17â. The contact stated that General Motors (GM) was recalling certain 2019-2021 GMC Sierra 1500 and Silverado 1500 vehicles equipped with certain accessory road tires and a 17" spare tire. The 17" spare tire provided with the vehicle was not compatible for use with the accessory wheels, which can cause the anti-lock brake system (ABS) to not function properly under certain conditions. As a result, the contact was concerned that the ABS could potentially fail on his vehicle. The vehicle was not diagnosed or repaired. The manufacturer was notified of the concern and the contact was advised to call the NHTSA Hotline. The contact had not experienced a failure.
The contact owns a 2019 GMC Sierra Denali. The contact stated while parking the vehicle, the vehicle inadvertently stalled without warning. The contact attempted several times to restart the vehicle however, the vehicle would not restart. The contact attempted to jump start the vehicle and the failed to start. The vehicle was towed to the dealer where the starter was replaced; however, the failure persisted. The contact was informed that the engine needed to be replaced due to metal shavings in the engine. The vehicle was not repaired. The manufacturer was contacted and they offered to partially pay for the repair. The contact stated that he believed that the vehicle was not repaired correctly under NHTSA Campaign Number: 20V650000 (Power Train). The failure mileage was 91,000.
Mileage: 91,000
TL* THE CONTACT OWNS A 2019 GMC SIERRA DENALI. THE CONTACT STATED THAT UPON PURCHASE OF THE VEHICLE, WATER BEGAN TO LEAK INTO THE VEHICLE THROUGH THE WINDSHIELD. THE CONTACT TOOK THE VEHICLE TO FAHRNEY BUICK GMC (3105 HIGHLAND AVE, SELMA, CA 93662) WHERE THEY HAD TO ORDER A CERTAIN PART TO REPAIR VEHICLE WHICH WAS STILL PENDING. DUE TO THE FAILURE, THE CONTACT STATED THAT MOLD HAD DEVELOPED ON THE CEILING NEAR THE SUN ROOF OF THE VEHICLE. THE MANUFACTURER HAD YET TO BE NOTIFIED OF THE FAILURE. THE VEHICLE HAD YET TO BE REPAIRED. THE FAILURE MILEAGE WAS 1,000. *TR
Mileage: 1,000
HID HEADLIGHTS FLICKER/SHAKE WHEN DRIVING OVER ANY SIZE BUMP, OR WHEN YOU CLOSE THE VEHICLE DOOR.
Mileage: 12,000
WHILE TRUCK WAS PARKED (ENGINE WAS NOT RUNNING AT ALL), I USED THE KEY FAB REMOTE TO UNLOCK THE TRUCK AND THEN OPEN THE TAILGATE. AT THIS TIME, THE TAILGATE SLAMMED OPEN (VERY FORCEFULLY AND QUICKLY) AND HIT MY SON IN THE CHEST. THIS HAS ALSO HAPPENED WHILE THE TRUCK WAS RUNNING AND IN PARK. AT THAT TIME, I (THE DRIVER) PUSHED THE BUTTON ON THE CENTER DASH TO OPEN THE TAILGATE SO THAT MY YOUNG SON COULD PUT HIS BASEBALL GEAR IN THE BED OF THE TRUCK. AGAIN, THE TAILGATE OPENED VERY QUICKLY AND ABRUPTLY, SLAMMED OPEN, AND THE HEAVY TAILGATE HIT HIM IN HIS BODY. THE TAILGATE IS SUPPOSED TO OPEN SLOWLY AND GRADUALLY, NOT SLAM OPEN. THANKFULLY, MY SON WAS NOT SERIOUSLY INJURED. THE REMOTE CONTROL, SLOW OPENING TAILGATE WAS ONE OF THE SELLING FEATURES OF THE TRUCK, AND NOW THE TAILGATE IS DANGEROUS TO USE AT ALL, ESPECIALLY WHEN CHILDREN ARE AROUND.
Mileage: 9,500
I RECEIVED A RECALL NOTICE MAY 2019 FROM MARYANN L. COMBS, VICE PRESIDENT GLOBAL VEHICLE SAFETY. THE LOCAL DEALERSHIP SAID PARTS WERE NOT AVAILABLE AT THAT TIME. A FEW MONTHS LATER, STILL NOT AVAILABLE AND TODAY, FEBRUARY 25,2020 THEY ARE STILL NOT AVAILABLE AND IT SEEMS THEY MAY NEVER BE AVAILABLE TO VEHICLES IN THE "SOUTHERN" STATES. MY TRUCK TRAVELS TO MN, MT, ND ON A REGULAR BASIS AND THE PROBLEM IN QUESTION NEEDS TO BE FIXED TO KEEP THE ENGINE WARM AT BELOW ZERO TEMPERATURES. NHTSA CAMPAIGN ID NUMBER IS 19V328 AND RECALL NUMBER WAS N182206311. PER THE LETTER FROM MS. COMBS USE OF THE CURRENT ENGINE BLOCK HEATER CABLE COULD RESULT IN AN ENGINE FIRE.
Mileage: 1,000
THE FIRST ISSUE IS A BLUETOOTH ISSUE. THE PHONE VOLUME GOES SILENT WHEN I GET IN MY VEHICLE. IF I CONNECT TO CAR PLAY, IT WORKS. I HAVE MISSED IMPORTANT CALLS DUE TO THIS ISSUE. THIS STARTED IN JULY OF 2019 AND ITS NOT FIXED YET. GM SAYS IT APPLE. APPLE SAYS ITS GM I DO NOT CARE JUST FIX IT. SECOND SEE BELOW IMAGES. YOU KNOW THE ISSUE. THIS HAPPENED TO ME 3 TIMES. IT STARTED 12-05-2019. THEN AGAIN 12-26-19 . SERVICED . 1-4-2020 AGAIN. 1-18 20 AGAIN AND TO SHOP UNTIL 1-23-2020. THIS TOOK A LOT OF MY TIME TALKING WITH MY DEALER. I UNDERSTAND I AM ONE OF MANY, BUT I DIDN'T SPEND OVER $66,000 TO BUY, LEASE THIS VEHICLE TO HAVE TO WASTE MY TIME. THIS COST ME TIME, MONEY AND HONESTLY EVERY TIME I START THE TRUCK I WONDER IF IT WILL REAPPEAR. I RECEIVED 2 CALLS FRO REPRESENTATIVES, GIANNA AND MICHELLE. I CALLED BACK 3 TIMES, LEFT VOICEMAIL AND HAVE HEARD NOTHING. AT THIS POINT, I AM REQUESTING FOR GM TO END MY LEASE AND I GIVE YOU THIS TRUCK BACK .
Mileage: 10,366
THE FIRST ISSUE IS A BLUETOOTH ISSUE. THE PHONE VOLUME GOES SILENT WHEN I GET IN MY VEHICLE. IF I CONNECT TO CAR PLAY, IT WORKS. I HAVE MISSED IMPORTANT CALLS DUE TO THIS ISSUE. THIS STARTED IN JULY OF 2019 AND ITS NOT FIXED YET. GM SAYS IT APPLE. APPLE SAYS ITS GM I DO NOT CARE JUST FIX IT. SECOND SEE BELOW IMAGES. YOU KNOW THE ISSUE. THIS HAPPENED TO ME 3 TIMES. IT STARTED 12-05-2019. THEN AGAIN 12-26-19 . SERVICED . 1-4-2020 AGAIN. 1-18 20 AGAIN AND TO SHOP UNTIL 1-23-2020. THIS TOOK A LOT OF MY TIME TALKING WITH MY DEALER. I UNDERSTAND I AM ONE OF MANY, BUT I DIDN'T SPEND OVER $66,000 TO BUY, LEASE THIS VEHICLE TO HAVE TO WASTE MY TIME. THIS COST ME TIME, MONEY AND HONESTLY EVERY TIME I START THE TRUCK I WONDER IF IT WILL REAPPEAR. I RECEIVED 2 CALLS FRO REPRESENTATIVES, GIANNA AND MICHELLE. I CALLED BACK 3 TIMES, LEFT VOICEMAIL AND HAVE HEARD NOTHING. AT THIS POINT, I AM REQUESTING FOR GM TO END MY LEASE AND I GIVE YOU THIS TRUCK BACK .
Mileage: 10,366
THE FIRST ISSUE IS A BLUETOOTH ISSUE. THE PHONE VOLUME GOES SILENT WHEN I GET IN MY VEHICLE. IF I CONNECT TO CAR PLAY, IT WORKS. I HAVE MISSED IMPORTANT CALLS DUE TO THIS ISSUE. THIS STARTED IN JULY OF 2019 AND ITS NOT FIXED YET. GM SAYS IT APPLE. APPLE SAYS ITS GM I DO NOT CARE JUST FIX IT. SECOND SEE BELOW IMAGES. YOU KNOW THE ISSUE. THIS HAPPENED TO ME 3 TIMES. IT STARTED 12-05-2019. THEN AGAIN 12-26-19 . SERVICED . 1-4-2020 AGAIN. 1-18 20 AGAIN AND TO SHOP UNTIL 1-23-2020. THIS TOOK A LOT OF MY TIME TALKING WITH MY DEALER. I UNDERSTAND I AM ONE OF MANY, BUT I DIDN'T SPEND OVER $66,000 TO BUY, LEASE THIS VEHICLE TO HAVE TO WASTE MY TIME. THIS COST ME TIME, MONEY AND HONESTLY EVERY TIME I START THE TRUCK I WONDER IF IT WILL REAPPEAR. I RECEIVED 2 CALLS FRO REPRESENTATIVES, GIANNA AND MICHELLE. I CALLED BACK 3 TIMES, LEFT VOICEMAIL AND HAVE HEARD NOTHING. AT THIS POINT, I AM REQUESTING FOR GM TO END MY LEASE AND I GIVE YOU THIS TRUCK BACK .
Mileage: 10,366
ENGINE LIGHT KEEPS COMING ON TAKE IT TO THE DEALER I GUESS THEY RESET IT AND NOW THIS IS THE 3RD TIME IT'S NOW BACK ON, BACK UP CAMERA GOES OUT FROM TIME TO TIME,
Mileage: 26,000
ENGINE LIGHT KEEPS COMING ON TAKE IT TO THE DEALER I GUESS THEY RESET IT AND NOW THIS IS THE 3RD TIME IT'S NOW BACK ON, BACK UP CAMERA GOES OUT FROM TIME TO TIME,
Mileage: 26,000
ENGINE LIGHT KEEPS COMING ON TAKE IT TO THE DEALER I GUESS THEY RESET IT AND NOW THIS IS THE 3RD TIME IT'S NOW BACK ON, BACK UP CAMERA GOES OUT FROM TIME TO TIME,
Mileage: 26,000
AFTER STARTING MY VEHICLE REMOTELY USING ON-STAR, MY BRAKES STOPPED FUNCTIONING PROPERLY... AFTER REMOTE STARTING THE VEHICLE USING MY ON-STAR APP, WE ENTERED IT, DEPRESSED THE BRAKE AND PRESSED THE START BUTTON. AT THAT TIME I RECEIVED MULTIPLE ERROR MESSAGES, STATING "BRAKE SYSTEM FAILURE, 62 MPH TOP SPEED" "SERVICE ESC" " STEERING ASSIST IS REDUCED DRIVE WITH CARE." I RESTARTED THE VEHICLE A NUMBER OF TIMES AND THE ERROR MESSAGES WENT AWAY. I THEN BEGAN TO DRIVE HOME AND AFTER ABOUT 2 MILES THE ERROR MESSAGES ALL CAME BACK AND MY BRAKES STOPPED FUNCTIONING. I WAS ABLE TO USE THE FULL FORCE OF MY BODY ON THE BRAKES TO GET THE VEHICLE TO COME TO A STOP FROM AROUND 30 MPH IN MY NEIGHBORHOOD. HAD I BEEN ON THE HIGHWAY OR ON THE MAIN STREET I HAD JUST BEEN ON I LIKELY WOULD NOT HAVE BEEN ABLE TO STOP WITHOUT HITTING ANOTHER VEHICLE OR OBJECT.
Mileage: 2,393
AFTER STARTING MY VEHICLE REMOTELY USING ON-STAR, MY BRAKES STOPPED FUNCTIONING PROPERLY... AFTER REMOTE STARTING THE VEHICLE USING MY ON-STAR APP, WE ENTERED IT, DEPRESSED THE BRAKE AND PRESSED THE START BUTTON. AT THAT TIME I RECEIVED MULTIPLE ERROR MESSAGES, STATING "BRAKE SYSTEM FAILURE, 62 MPH TOP SPEED" "SERVICE ESC" " STEERING ASSIST IS REDUCED DRIVE WITH CARE." I RESTARTED THE VEHICLE A NUMBER OF TIMES AND THE ERROR MESSAGES WENT AWAY. I THEN BEGAN TO DRIVE HOME AND AFTER ABOUT 2 MILES THE ERROR MESSAGES ALL CAME BACK AND MY BRAKES STOPPED FUNCTIONING. I WAS ABLE TO USE THE FULL FORCE OF MY BODY ON THE BRAKES TO GET THE VEHICLE TO COME TO A STOP FROM AROUND 30 MPH IN MY NEIGHBORHOOD. HAD I BEEN ON THE HIGHWAY OR ON THE MAIN STREET I HAD JUST BEEN ON I LIKELY WOULD NOT HAVE BEEN ABLE TO STOP WITHOUT HITTING ANOTHER VEHICLE OR OBJECT.
Mileage: 2,393
ELECTRIC/ELECTRONIC/COMPUTER ISSUES. MOST ISSUES ARE INTERMITTENT, SOME HAPPEN ALL THE TIME. THE INTERMITTENT ONES SOMETIME HAPPEN IN CLUSTERS (MULTIPLE TIMES A DAY THEN NOT FOR DAYS, WEEKS, MONTHS) A FEW HAVE ONLY HAPPENED ONCE SO FAR. THE FOLLOWING ISSUES HAPPEN ALL THE TIME. DOES NOT COME OUT OF CRUISE CONTROL AUTOMATICALLY DURING COLLISION ALERT. DOES NOT AUTOMATICALLY BRAKE DURING IMMINENT COLLISION WITH AUTO BRAKE FEATURE TURNED ON. SECONDARY BLUETOOTH PHONE DOES OUTGOING CALLS THROUGH TRUCKS INFO SYSTEM. HEADS-UP DISPLAY GIVES DOUBLE TURN DIRECTIONS DURING ROUTE GUIDANCE NAV. BLUETOOTH TEXTING DOES NOT WORK. THE FOLLOWING ISSUES HAPPEN FREQUENTLY. TRANSMISSION BANGS/SHUDDERS PERIODICALLY, ACCELERATING, NOT ACCELERATING, SLOWING DOWN, JUST DRIVING, MOSTLY ON LEVEL GRADE. SOMETIMES STRONG ENOUGH TO FEEL LIKE I WAS REAR ENDED, PASSENGERS HAVE JUMPED MANY RADIO MEDIA ISSUES WITH SOUND AND NAV BOOT UP. DURING PARKING MANEUVER AFTER COMING OUT OF REVERSE AND GOING INT
Mileage: 480
ELECTRIC/ELECTRONIC/COMPUTER ISSUES. MOST ISSUES ARE INTERMITTENT, SOME HAPPEN ALL THE TIME. THE INTERMITTENT ONES SOMETIME HAPPEN IN CLUSTERS (MULTIPLE TIMES A DAY THEN NOT FOR DAYS, WEEKS, MONTHS) A FEW HAVE ONLY HAPPENED ONCE SO FAR. THE FOLLOWING ISSUES HAPPEN ALL THE TIME. DOES NOT COME OUT OF CRUISE CONTROL AUTOMATICALLY DURING COLLISION ALERT. DOES NOT AUTOMATICALLY BRAKE DURING IMMINENT COLLISION WITH AUTO BRAKE FEATURE TURNED ON. SECONDARY BLUETOOTH PHONE DOES OUTGOING CALLS THROUGH TRUCKS INFO SYSTEM. HEADS-UP DISPLAY GIVES DOUBLE TURN DIRECTIONS DURING ROUTE GUIDANCE NAV. BLUETOOTH TEXTING DOES NOT WORK. THE FOLLOWING ISSUES HAPPEN FREQUENTLY. TRANSMISSION BANGS/SHUDDERS PERIODICALLY, ACCELERATING, NOT ACCELERATING, SLOWING DOWN, JUST DRIVING, MOSTLY ON LEVEL GRADE. SOMETIMES STRONG ENOUGH TO FEEL LIKE I WAS REAR ENDED, PASSENGERS HAVE JUMPED MANY RADIO MEDIA ISSUES WITH SOUND AND NAV BOOT UP. DURING PARKING MANEUVER AFTER COMING OUT OF REVERSE AND GOING INT
Mileage: 480
ELECTRIC/ELECTRONIC/COMPUTER ISSUES. MOST ISSUES ARE INTERMITTENT, SOME HAPPEN ALL THE TIME. THE INTERMITTENT ONES SOMETIME HAPPEN IN CLUSTERS (MULTIPLE TIMES A DAY THEN NOT FOR DAYS, WEEKS, MONTHS) A FEW HAVE ONLY HAPPENED ONCE SO FAR. THE FOLLOWING ISSUES HAPPEN ALL THE TIME. DOES NOT COME OUT OF CRUISE CONTROL AUTOMATICALLY DURING COLLISION ALERT. DOES NOT AUTOMATICALLY BRAKE DURING IMMINENT COLLISION WITH AUTO BRAKE FEATURE TURNED ON. SECONDARY BLUETOOTH PHONE DOES OUTGOING CALLS THROUGH TRUCKS INFO SYSTEM. HEADS-UP DISPLAY GIVES DOUBLE TURN DIRECTIONS DURING ROUTE GUIDANCE NAV. BLUETOOTH TEXTING DOES NOT WORK. THE FOLLOWING ISSUES HAPPEN FREQUENTLY. TRANSMISSION BANGS/SHUDDERS PERIODICALLY, ACCELERATING, NOT ACCELERATING, SLOWING DOWN, JUST DRIVING, MOSTLY ON LEVEL GRADE. SOMETIMES STRONG ENOUGH TO FEEL LIKE I WAS REAR ENDED, PASSENGERS HAVE JUMPED MANY RADIO MEDIA ISSUES WITH SOUND AND NAV BOOT UP. DURING PARKING MANEUVER AFTER COMING OUT OF REVERSE AND GOING INT
Mileage: 480
AFTER USING APP TO START THE VEHICLE, I SAT IN THE DRIVER SEAT DEPRESSED THE BRAKE AND PUSHED THE START BUTTON. IMMEDIATELY A WARNING POPPED UP SAYING ESC NEEDED SERVICE, SERVICE TRAILER BRAKE, SPEED LIMITED TO 62MPH. ADDITIONAL LIGHTS ILLUMINATED INCLUDING BRAKE, TRACTION CONTROL, ABS, AND CEL. SINCE THE DASH INDICATED THAT THE SPEED WAS REDUCED I THOUGHT IT WOULD BE SAFE TO DRIVE, HOWEVER AT THE FIRST TURN I REALIZED MY BRAKES WERE NEARLY GONE AND I WENT THROUGH THE INTERSECTION. THE BRAKES APPEARED TO HAVE LOST THE BOOST AND WERE EXTREMELY HARD TO DEPRESS MAKING IT DIFFICULT TO STOP THE VEHICLE. I LIMPED THE TRUCK HOME AND NOTIFIED THE DEALER. THE NEXT DAY I TRIED STARTING THE TRUCK AND THE BRAKES RETURNED WITH NO DASH MESSAGES ALTHOUGH THE CEL WAS STILL ILLUMINATED. THERE IS A RECALL FOR A SIMILAR ISSUE BUT IT LOOKS LIKE MY VIN IS NOT APART OF IT.
Mileage: 2,000
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.