2015 GMC Yukon Denali Problems

TAIL LIGHT CIRCUIT (LED INTERNAL TO HOUSING) CRACKS, CAUSING RAIL/BRAKE LIGHT OUTAGE WITH NO WARNINGS ON THE DASH FOR THE DRIVER. THIS IS A MATERIAL DEFECT IN THE METAL STAMPING USED FOR THE LED POWER CIRCUIT. EXACERBATED BY HEAT AND VIBRATION.

THE PASSENGER SIDE BRAKE/TAIL LIGHTS INTERMITTENTLY DO NOT WORK. THEY WORK ABOUT 60 PERCENT OF THE TIME AND THE OTHER 40 PERCENT THEY DO NOT. I HAVE READ MANY COMPLAINTS ONLINE ABOUT THIS ISSUE AND GM NEEDS TO STEP UP AND GET IT FIXED. IT IS A SAFETY ISSUE.

The contact owns a 2015 GMC Yukon Denali. The contact stated that while driving the air condition system was blowing hot air and then became inoperable. There were no warning lights illuminated. The vehicle was taken to the local dealer where it was diagnosed and determined that the A/C condenser and A/C control module needed to be repaired. The vehicle was not repaired. The manufacture was not notified of the failure. The approximate failure mileage was 75,000.

TAIL LIGHTS SOMETIMES WORK AND MOST OF THE TIME DOES NOT WORK. I SEE HUNDREDS OF COMPLAINTS ABOUT THIS AND NOTHING IS BEING DONE ABOUT IT! THIS WILL BE MY FIRST AND LAST TIME BUYING A GMC CAR. THIS IS VERY DANGEROUS AND A VERY EXPENSIVE PROBLEM TO HAVE!

The contact owns a 2015 GMC Yukon Denali. The contact stated that while driving at undisclosed speeds, the contact heard an abnormal grinding sound, and the transmission was shifting hard. While making a turn, there was an abnormal sound coming from the vehicle. There were unknown warning lights illuminated. The contact stated that the failure was related to NHTSA Campaign Number: 14V152000 (Power Train). The vehicle was taken to an independent mechanic, who informed the contact that the failure was due to the transmission. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was contacted and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 100,000. The VIN was not available.

The contact owns a 2015 GMC Yukon Denali. The contact stated that while driving at an undisclosed speed, the transmission was inoperable. The contact stated that when the gear shifter was shifted into reverse, the vehicle would drive forward. The contact also stated that when the gear shifter was in neutral, the vehicle would reverse instead. The vehicle was driven to the residence. The contact stated that the transmission fluid had leaked onto the ground. The vehicle was towed to an independent mechanic where it was diagnosed with a failed transmission. The contact was informed that the transmission needed to be replaced. The manufacturer was made aware of the failure and advised the contact to report the failure to the NHTSA Hotline. The failure mileage was approximately 102,000.

The contact owns a 2015 GMC Yukon Denali. The contact stated that while his mother was driving approximately 50 MPH, the brake service warning light illuminated and the vehicle started to decelerate as if the brakes were engaged. The contact's mother was able to pull over safely and turned the vehicle off and on and was able to continue driving to her destination. The brake failure persisted. The contact had not taken the vehicle to a local dealer. The vehicle was not diagnosed or repaired. The manufacturer had not been informed of the failure. The failure mileage was approximately 115,000.

TL* THE CONTACT OWNS A 2015 GMC YUKON DENALI. WHILE REVERSING THE VEHICLE, THE CONTACT WAS INFORMED THAT THE BRAKE LIGHTS WERE NOT ILLUMINATING. HOWEVER, WHEN THE VEHICLE WAS IN DRIVE, THE BRAKE LIGHTS ILLUMINATED. ALSO, WHEN THE CONTACT DEPRESSED THE BRAKE PEDAL TO SLOW OR STOP THE VEHICLE, THE BRAKE LIGHTS DID NOT ILLUMINATE. THE CONTACT CALLED COULTER BUICK GMC PHOENIX (1202 E CAMELBACK RD, PHOENIX, AZ 85014, (602) 396-5994) AND WAS INFORMED THAT THERE WERE NO RECALLS. THE DEALER REFERRED THE CONTACT TO THE MANUFACTURER. THE MANUFACTURER WAS NOT CONTACTED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE FAILURE MILEAGE WAS 64,000.

The contact owns a 2015 GMC Yukon Denali. The contact stated that while driving 80 MPH, the vehicle hesitated, and failed to accelerate as intended while depressing the accelerator pedal. In addition, there was an abnormal knocking sound coming from underneath the passenger’s side of the vehicle. The check engine warning light was illuminated. The contact arrived at the residence and used a personal diagnostic reader and retrieved information related to misfires in cylinder #2 and #4. The contact replaced the spark plugs and the ignition coils. The contact test drove the vehicle, and the check engine warning light later illuminated. The contact swapped the ignition coils; however, the failure persisted. The vehicle was taken to the dealer where it was diagnosed that Active Fuel Management (AFM) and Dynamic Fuel Management (DFM) had failed and caused the lifters to fail. The vehicle was not repaired due to the cost. The vehicle remained at the dealer unrepaired. The manufacturer was made aware of the failure but offered no assistance. The failure mileage was approximately 96,000.

The contact owns a 2015 GMC Yukon Denali. The contact stated while driving at approximately 20 MPH, the vehicle started decelerating with a slight clunking sound coming from underneath the front passenger’s side of the vehicle. The vehicle then lost motive power. The contact coasted to the side of the road and turned off the vehicle. After waiting for a while, the vehicle was started and the contact became aware that the instrument panel and all other electrical systems were activated as expected; however, the engine failed to start. The vehicle was towed to the dealer where it was diagnosed that there was a failure with the engine. The vehicle had not been repaired. The vehicle was then towed to an independent mechanic where it was confirmed that the engine had failed, and the starter needed to be replaced. The starter had been replaced; however, while starting the vehicle the engine emitted a loud rumbling noise which the dealer described as rocks being tossed around. The contact stated that the engine needed to be replaced. The vehicle was not repaired. The manufacturer had not been made aware of the failure. The failure mileage was 150,150.

TL* THE CONTACT OWNS 2015 GMC YUKON DENALI. THE CONTACT STATED THAT THE VEHICLE HAD AN AGGRESSIVE SHAKE AT 40 TO 60 MPH AS WELL AS AT 70 MPH. THE DEALER CHARLES BOYD CHEVROLET CADILLAC BUICK GMC (250 RUIN CREEK RD, HENDERSON, NC 27536, 1-(252) 654-4593) HAD BEEN NOTIFIED OF THE FAILURE SEVERAL TIMES BUT HAD BEEN UNABLE TO DUPLICATE AND DIAGNOSE THE FAILURE SO THE CONTACT WAS UNCERTAIN IF THE VEHICLE MAY BE REPAIRED. IN ADDITION, THE VEHICLE WAS SERVICED FOR NHTSA CAMPAIGN NUMBER: 18V586000 (STEERING); HOWEVER THE REMEDY FOR THE RECALL PROVIDED NO SPECIFIC SOLUTION TO PREVENT THE FAILURE THAT THE VEHICLE WAS EXHIBITING AS WELL CONCERNING THE STEERING AND SUSPENSION. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND THE CONTACT WAS WAITING TO DETERMINE IF THEY MAY BE ABLE TO PROVIDE A PERMANENT REMEDY. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 45,000.

FRONT RIGHT AND LEFT REAR SHOCK HAVE LEAK FLUID CAUSING THE VEHICLE HANDLING TO BE COME ERRATIC WHEN DRIVING OVER ROAD IMPERFECTIONS. 2015 WITH Z95 MAGNETIC RIDE SUSPENSION HAS APPROXIMATELY 60K MILES.

2015 YUKON DENALI. CONSUMER WRITES IN REGARDS TO ELECTRIC POWER STEERING SAFETY RECALL. *LD THE CONSUMER STATED THE VEHICLE HAD MULTIPLE FAILURES THE DEALER WAS SUPPOSED TO REPAIR, BUT DID NOT AND CHARGED THE CONSUMER ANYWAY. THE CONSUMER SOLD THE VEHICLE, BUT REQUESTED TO NOT HAVE TO PAY THE REPAIR BILL FOR THE VEHICLE. *JS

TL* THE CONTACT OWNS 2015 GMC YUKON DENALI. THE CONTACT STATED THAT THE VEHICLE HAD AN AGGRESSIVE SHAKE AT 40 TO 60 MPH AS WELL AS AT 70 MPH. THE DEALER CHARLES BOYD CHEVROLET CADILLAC BUICK GMC (250 RUIN CREEK RD, HENDERSON, NC 27536, 1-(252) 654-4593) HAD BEEN NOTIFIED OF THE FAILURE SEVERAL TIMES BUT HAD BEEN UNABLE TO DUPLICATE AND DIAGNOSE THE FAILURE SO THE CONTACT WAS UNCERTAIN IF THE VEHICLE MAY BE REPAIRED. IN ADDITION, THE VEHICLE WAS SERVICED FOR NHTSA CAMPAIGN NUMBER: 18V586000 (STEERING); HOWEVER THE REMEDY FOR THE RECALL PROVIDED NO SPECIFIC SOLUTION TO PREVENT THE FAILURE THAT THE VEHICLE WAS EXHIBITING AS WELL CONCERNING THE STEERING AND SUSPENSION. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND THE CONTACT WAS WAITING TO DETERMINE IF THEY MAY BE ABLE TO PROVIDE A PERMANENT REMEDY. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 45,000.

AIR CONDITIONING FAILURE, CONDENSER DEFECTIVE. REPAIR IMPOSSIBLE BECAUSE PART HAS BEEN ON BACKORDER FOR OVER A MONTH.

The contact owns a 2015 GMC Yukon Denali. The contact stated that the fuel tank was leaking fuel. The contact had not taken the vehicle to a certified mechanic or dealer to be diagnosed or repaired. The manufacturer was not made of the failure. The approximate failure mileage was 130,000.

VIBRATION THOUGH CAR AT HIGH SPEEDS SINCE CAR IS NEW. DEALER REPLACED ONE TIRE AND THAT CURED PROBLEM FOR A SHORT PERIOD. HAVE RETURNED VEHICLE TO DEALER SEVERAL TIMES FOR THE RECURRING PROBLEM AND IT HAS NOT BEEN ADDRESSED CORRECTLY RECEIVED RECALL LETTER FROM CONTINENTAL TIRE DUE TO VIBRATION ISSUES. MY VEHICLE IS NOT EQUIPPED WITH TIRES CONTAINING DATE CODE AFFECTED BY THE RECALL. THE MAKE, MODEL, AND SIZE OF TIRES DOES MATCH RECALL. I BELIEVE THERE IS A LARGER ISSUE COVERING A MUCH LARGER PERIOD OF TIME OF TIRE MANUFACTURE AND MY CAR SHOULD BE INCLUDED IN RECALL. FOR THE MOST PART HAVE STOPPED DRIVING THE CAR FOR FEAR OF A TIRE BLOWING OUT OR DAMAGING THE VEHICLE. *TR

TL* THE CONTACT OWNS A 2015 GMC YUKON DENALI. WHILE THE VEHICLE WAS STATIONARY, WATER ENTERED THE CABIN OF THE VEHICLE THROUGH THE HIGH FREQUENCY ANTENNA SEAL. IN ADDITION, THE CONTACT STATED THAT THE COMPUTER SYSTEM HAD AN ELECTRICAL MALFUNCTION AND THE VEHICLE'S BRAKES ENGAGED WITHOUT WARNING. DIXIE BUICK GMC IN FORT MYERS, FLORIDA WAS MADE AWARE OF THE FAILURE AND DIAGNOSED THAT THE HIGH FREQUENCY ANTENNA NEEDED TO BE REPLACED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 76,000. THE VIN WAS NOT AVAILABLE.