FaultScore

FaultScore report

2019 GMC Sierra Denali problems

Owners have filed 46 complaints about the 2019 GMC Sierra Denali with NHTSA between 2019 and 2024. The largest single group is the brakes. Across this model's run it ranks 1 of 14 worst.

D

FaultScore 73/100

Higher is worse. Measured against the other years of the GMC Sierra Denali.

How this is worked out

The numbers

46

Complaints

0

Crashes reported

0

Fires reported

1

Injuries reported

5,269 mi

Median mileage at failure

Half of reported failures happened before this

95%

Failed under 36,000 miles

Inside a typical bumper-to-bumper warranty

What kind of bad

The letter says how bad. This says what kind — whether this year drew an unusual number of complaints, unusually dangerous ones, or failures that arrived unusually early.

Complaint volume 100 vs 50 Severity 11 vs 50 Early failure 100 vs 50
The dashed ring is 50 — the national norm. Further out is worse.
Complaint volume — 100
Against the median year of the GMC Sierra Denali. 50 means typical for this model; 100 means roughly double.
Severity — 11
2.2% of these complaints involved a crash, fire, injury or death, against a national rate of 9.7%.
Early failure — 100
95% of failures with a mileage on record happened under 36,000 miles, against a national rate of 29%.

How 2019 compares with every other GMC Sierra Denali

Click any bar to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded

What breaks on a 2019 GMC Sierra Denali

Every complaint is filed against a part. Follow any row for the complaints about that part alone.

Brakes 8 17.4%

Median failure at 3,450 miles

Steering 7 15.2%

Median failure at 2,393 miles

Other & Unspecified 5 10.9%

Median failure at 10,000 miles

Stability & Traction Control 5 10.9%

Median failure at 2,400 miles

Electrical System 5 10.9%

Median failure at 6,200 miles

Engine & Cooling 5 10.9%

Median failure at 16,019 miles

Transmission & Drivetrain 4 8.7%

Median failure at 2,490 miles

Lights 2 4.3%

Median failure at 6,003 miles

Equipment & Accessories 1 2.2%

Median failure at 10,000 miles

Driver Assist & Collision Avoidance 1 2.2%

Median failure at 9,000 miles

Tires 1 2.2%
Windows, Mirrors & Wipers 1 2.2%

Median failure at 1,000 miles

Body & Structure 1 2.2%

Median failure at 10,000 miles

When it fails

Odometer readings owners gave when they filed. About half of all complaints include one.

Under 1,000 miles 7 15.9%
1,000 – 9,999 miles 25 56.8%
10,000 – 24,999 miles 7 15.9%
25,000 – 49,999 miles 3 6.8%
75,000 – 99,999 miles 2 4.5%

When owners complained

A spike years after the car went on sale usually means a part wearing out on schedule across the whole fleet — the kind of pattern no single owner can see from inside their own car.

Jun 2019 peak 17 Dec 2024

Complaints that involved harm

Reports where the owner recorded a crash, a fire, an injury or a death.

at 9,500 miles Murrayville, GA 1 injured

UNKNOWN OR OTHER

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.

NHTSA complaint #11321767 — an unverified report by a vehicle owner.

The most recent complaints

In the owners' own words, exactly as filed with NHTSA.

at 77,000 miles Lehi, UT

ENGINE AND ENGINE COOLING

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.

NHTSA complaint #11632450 — an unverified report by a vehicle owner.

at 9,000 miles Dayton, OH

BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

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.

NHTSA complaint #11520232 — an unverified report by a vehicle owner.

Savannah, TN

TIRES

The contact owns a 2019 GMC Sierra LD equipped with 22” GMC tires but the spare tires are 17”. 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.

NHTSA complaint #11489637 — an unverified report by a vehicle owner.

at 91,000 miles Coralville, IA

POWER TRAIN

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.

NHTSA complaint #11474899 — an unverified report by a vehicle owner.

at 1,000 miles DEL REY, CA

VISIBILITY:WINDSHIELD

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.

NHTSA complaint #11359838 — an unverified report by a vehicle owner.

at 12,000 miles Crown Point, IN

EXTERIOR LIGHTING

HID HEADLIGHTS FLICKER/SHAKE WHEN DRIVING OVER ANY SIZE BUMP, OR WHEN YOU CLOSE THE VEHICLE DOOR.

NHTSA complaint #11322479 — an unverified report by a vehicle owner.

at 9,500 miles Murrayville, GA 1 injured

UNKNOWN OR OTHER

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.

NHTSA complaint #11321767 — an unverified report by a vehicle owner.

at 1,000 miles Huntsville, TX

ENGINE

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.

NHTSA complaint #11311363 — an unverified report by a vehicle owner.

at 10,366 miles Port Matilda, PA

STEERING

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 .

NHTSA complaint #11310027 — an unverified report by a vehicle owner.

at 10,366 miles Port Matilda, PA

UNKNOWN OR OTHER

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 .

NHTSA complaint #11310027 — an unverified report by a vehicle owner.

at 10,366 miles Port Matilda, PA

SERVICE BRAKES

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 .

NHTSA complaint #11310027 — an unverified report by a vehicle owner.

at 26,000 miles Antioch, TN

UNKNOWN OR OTHER

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,

NHTSA complaint #11309140 — an unverified report by a vehicle owner.

at 26,000 miles Antioch, TN

ELECTRICAL SYSTEM

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,

NHTSA complaint #11309140 — an unverified report by a vehicle owner.

at 26,000 miles Antioch, TN

ENGINE

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,

NHTSA complaint #11309140 — an unverified report by a vehicle owner.

at 2,393 miles NEW Braunfels, TX

STEERING

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.

NHTSA complaint #11307393 — an unverified report by a vehicle owner.

at 2,393 miles NEW Braunfels, TX

SERVICE BRAKES

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.

NHTSA complaint #11307393 — an unverified report by a vehicle owner.

at 480 miles Lake Ronkonkoma, NY

POWER TRAIN

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 INTO DRIVE, FORWARD CAMERA WOULD COME ON AND THEN SWITCH TO NAV SCREEN WHEN I TOOK MY FOOT OFF THE BRAKE. TO RESOLVE WOULD GO IN REVERSE THEN BACK TO DRIVE AND THE FRONT CAMERA WOULD STAY ON. AFTER VEHICLE START I GO INTO DRIVE AND FRONT CAMERA COMES ON. SOMETIMES IT DOES NOT IN THE EXACT SIMILAR CIRCUMSTANCES. NO INDICATION FROM FORWARD DETECTION SENSORS. AFTER BACKING OUT OF A PARKING SPOT, GOING INTO DRIVE FORWARD CAMERA COMES ON THEN THE WHOLE SCREEN GOES BRIGHT BLUE, AFTER A FEW SECONDS FORWARD CAMERA COMES BACK ON UNTIL I SPEED UP. OTHER ISSUES NOT SO FREQUENT. HAVE BEEN TO DEALERSHIP OVER 9 TIMES FOR A TOTAL OF 37 DAYS IT WAS IN THE SHOP. GMC CAC USELESS AND DO NOT KNOW THE PRODUCT. DEALERSHIP TECHNICIANS ARE NOT FAMILIAR WITH NEW PRODUCT OR HAVE THE COMPUTER SKILL SET TO FIX.

NHTSA complaint #11307106 — an unverified report by a vehicle owner.

at 480 miles Lake Ronkonkoma, NY

UNKNOWN OR OTHER

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 INTO DRIVE, FORWARD CAMERA WOULD COME ON AND THEN SWITCH TO NAV SCREEN WHEN I TOOK MY FOOT OFF THE BRAKE. TO RESOLVE WOULD GO IN REVERSE THEN BACK TO DRIVE AND THE FRONT CAMERA WOULD STAY ON. AFTER VEHICLE START I GO INTO DRIVE AND FRONT CAMERA COMES ON. SOMETIMES IT DOES NOT IN THE EXACT SIMILAR CIRCUMSTANCES. NO INDICATION FROM FORWARD DETECTION SENSORS. AFTER BACKING OUT OF A PARKING SPOT, GOING INTO DRIVE FORWARD CAMERA COMES ON THEN THE WHOLE SCREEN GOES BRIGHT BLUE, AFTER A FEW SECONDS FORWARD CAMERA COMES BACK ON UNTIL I SPEED UP. OTHER ISSUES NOT SO FREQUENT. HAVE BEEN TO DEALERSHIP OVER 9 TIMES FOR A TOTAL OF 37 DAYS IT WAS IN THE SHOP. GMC CAC USELESS AND DO NOT KNOW THE PRODUCT. DEALERSHIP TECHNICIANS ARE NOT FAMILIAR WITH NEW PRODUCT OR HAVE THE COMPUTER SKILL SET TO FIX.

NHTSA complaint #11307106 — an unverified report by a vehicle owner.

at 480 miles Lake Ronkonkoma, NY

ELECTRICAL SYSTEM

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 INTO DRIVE, FORWARD CAMERA WOULD COME ON AND THEN SWITCH TO NAV SCREEN WHEN I TOOK MY FOOT OFF THE BRAKE. TO RESOLVE WOULD GO IN REVERSE THEN BACK TO DRIVE AND THE FRONT CAMERA WOULD STAY ON. AFTER VEHICLE START I GO INTO DRIVE AND FRONT CAMERA COMES ON. SOMETIMES IT DOES NOT IN THE EXACT SIMILAR CIRCUMSTANCES. NO INDICATION FROM FORWARD DETECTION SENSORS. AFTER BACKING OUT OF A PARKING SPOT, GOING INTO DRIVE FORWARD CAMERA COMES ON THEN THE WHOLE SCREEN GOES BRIGHT BLUE, AFTER A FEW SECONDS FORWARD CAMERA COMES BACK ON UNTIL I SPEED UP. OTHER ISSUES NOT SO FREQUENT. HAVE BEEN TO DEALERSHIP OVER 9 TIMES FOR A TOTAL OF 37 DAYS IT WAS IN THE SHOP. GMC CAC USELESS AND DO NOT KNOW THE PRODUCT. DEALERSHIP TECHNICIANS ARE NOT FAMILIAR WITH NEW PRODUCT OR HAVE THE COMPUTER SKILL SET TO FIX.

NHTSA complaint #11307106 — an unverified report by a vehicle owner.

at 2,000 miles Leclaire, IA

STEERING

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.

NHTSA complaint #11306648 — an unverified report by a vehicle owner.

at 4,500 miles Berkey, OH

STEERING

TL* THE CONTACT OWNS A 2019 GMC SIERRA DENALI. THE CONTACT STATED THAT WHILE DRIVING AT AN UNDISCLOSED SPEED, THE POWER FAILED TO OPERATE AS DESIGNED. THE BRAKE PEDAL WAS DEPRESSED HOWEVER, THE STOPPING DISTANCE WAS EXTENDED. THE VEHICLE WAS TAKEN TO (BALLAS BUICK GMC 5715 CENTRAL AVE, TOLEDO, OH 43615 (419) 464-7699) TO BE DIAGNOSED. THE TECHNICIAN STATED THAT THERE WAS A LOSS OF COMMUNICATION BETWEEN THE VEHICLE COMPUTERS TO THE POWER STEERING MODULE. THE VEHICLE REMAINED IN DEALER CUSTODY FOR SEVERAL WEEKS BUT WAS NOT REPAIRED. THE MANUFACTURER WAS INFORMED OF THE FAILURE. THE FAILURE MILEAGE WAS 4,500.

NHTSA complaint #11306722 — an unverified report by a vehicle owner.

at 2,000 miles Leclaire, IA

SERVICE BRAKES

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.

NHTSA complaint #11306648 — an unverified report by a vehicle owner.

at 4,500 miles Berkey, OH

SERVICE BRAKES

TL* THE CONTACT OWNS A 2019 GMC SIERRA DENALI. THE CONTACT STATED THAT WHILE DRIVING AT AN UNDISCLOSED SPEED, THE POWER FAILED TO OPERATE AS DESIGNED. THE BRAKE PEDAL WAS DEPRESSED HOWEVER, THE STOPPING DISTANCE WAS EXTENDED. THE VEHICLE WAS TAKEN TO (BALLAS BUICK GMC 5715 CENTRAL AVE, TOLEDO, OH 43615 (419) 464-7699) TO BE DIAGNOSED. THE TECHNICIAN STATED THAT THERE WAS A LOSS OF COMMUNICATION BETWEEN THE VEHICLE COMPUTERS TO THE POWER STEERING MODULE. THE VEHICLE REMAINED IN DEALER CUSTODY FOR SEVERAL WEEKS BUT WAS NOT REPAIRED. THE MANUFACTURER WAS INFORMED OF THE FAILURE. THE FAILURE MILEAGE WAS 4,500.

NHTSA complaint #11306722 — an unverified report by a vehicle owner.

at 2,000 miles Leclaire, IA

ELECTRONIC STABILITY CONTROL (ESC)

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.

NHTSA complaint #11306648 — an unverified report by a vehicle owner.

at 970 miles Alvord, TX

STEERING

ON JANUARY 23RD I STARTED THE GMC VIA THE GMC PHONE APP AND WHEN I GOT IN THE TRUCK PUSHED BRAKE AND START BUTTON AND THAT'S WILL GAUGES WENT CRAZY SAYING BRAKE MALFUNCTION .STEERING ,SPEED REDUCED TO 62 MPH AND BRAKE PEDAL WENT TO FLOOR WITH LITTLE TO NO BRAKES AND STOPPED THE TRUCK TURNED IT OFF AND ON TWICE BEFORE ALL CODES CLEARED EXCEPT NOW THE CHECK ENGINE LIGHT IS ON . BRAKES APPEARED TO WORK FINE AFTER TE SECOND TIME OF TURNING THE TRUCK OFF AND ON .970 MILES ON IT!

NHTSA complaint #11301754 — an unverified report by a vehicle owner.