FaultScore

GMC Yukon Denali transmission problems

47 of the 1,173 complaints filed about the GMC Yukon Denali are about the transmission — 4% of everything owners reported. The worst model year for it is 2015.

47

Complaints

4%

Share of all complaints

2

Crashes

0

Fires

Transmission & Drivetrain complaints by model year

Median failure at 100,000 miles

Median failure at 75,841 miles

Median failure at 80,000 miles

Median failure at 135,000 miles

Median failure at 65,000 miles

Median failure at 9,506 miles

Median failure at 71,500 miles

Median failure at 94,000 miles

Median failure at 51,500 miles

Median failure at 60,000 miles

Median failure at 325 miles

Median failure at 33,000 miles

Median failure at 55,500 miles

Median failure at 65,000 miles

Median failure at 64,781 miles

What owners said

2017 GMC Yukon Denali at 89,400 miles Alliance, OH

POWER TRAIN

The contact owns a 2017 GMC Yukon Denali. The contact stated that while driving at undisclosed speeds, the vehicle started bouncing. The contact stated that the transmission also failed to shift properly. The service engine and suspension warning lights were illuminated. The vehicle was taken to the dealer, and the contact was informed that a bearing had detached, and the transmission had failed. The vehicle was repaired; however, the failure recurred. The manufacturer was contacted and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 89,400.

NHTSA complaint #11667072 — an unverified report by a vehicle owner.

2015 GMC Yukon Denali at 100,000 miles Danville, IL

POWER TRAIN

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.

NHTSA complaint #11622331 — an unverified report by a vehicle owner.

2016 GMC Yukon Denali at 65,000 miles Jesup, IA

POWER TRAIN

The contact owns a 2016 GMC Yukon Denali. The contact stated while driving at various speeds, the transmission was slipping between gear. The vehicle was taken to the dealer; however, the failure could not be duplicated. The dealer replaced the transmission fluid twice; however, the failure recurred. The vehicle was taken to the dealer, where it was determined that the transmission wiring harness had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 65,000.

NHTSA complaint #11621537 — an unverified report by a vehicle owner.

2015 GMC Yukon Denali at 102,000 miles Kyle, TX

POWER TRAIN

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.

NHTSA complaint #11572365 — an unverified report by a vehicle owner.

2016 GMC Yukon Denali Temecula, CA

POWER TRAIN

AT LESS THAN 3 YEARS OLD AND 60K MILES, THE FOLLOWING HAS OCCURRED AT DIFFERENT TIMES UP UNTIL NOW: OVERALL ELECTRICAL MALFUNCTION INCLUDING DISPLAY ILLUMINATION FAILURE (DISPLAY GOES COMPLETELY BLACK AND/OR DIM WHILE DRIVING - CANNOT SEE SPEEDOMETER ETC. THIS HAS HAPPENED MULTIPLE TIMES WHILE DRIVING ON BOTH THE HIGHWAY AND SURFACE STREETS, INCLUDING DAYTIME AND NIGHTTIME), AUDIO/ENTERTAINMENT SYSTEM GLITCHES (RADIO VOLUME CHANGES TO AND GETS STUCK RANDOMLY ON HIGHEST VOLUME SETTING (WAS NEVER EVEN SET TO THIS LEVEL) WHILE DRIVING, CAUSING SUDDEN DISTRACTION/DISRUPTION), TAIL LIGHT MALFUNCTION (INTERMITTENTLY STOPS WORKING BOTH LEFT AND RIGHT SIDES), AND NOW THE MOTOR TO THE SUNROOF HAS DIED (OCCURRED WHILE DRIVING AND AT A MOMENT WHEN IT WAS NECESSARY TO CLOSE FOR SAFETY ON THE HIGHWAY.) THE TRANSMISSION IS DEFECTIVE (FOR THE SECOND TIME - OFF SHIFTS AND DOWNSHIFTS UNEXPECTEDLY WHILE DRIVING AT BOTH LOWER AND HIGHER SPEEDS. HAS HAPPENED ON THE HIGHWAY REQUIRING ME TO PULL OVER AND RESTART THE VEHICLE.) THESE INCIDENTS HAVE BEEN OCCURRING FOR THE PAST SEVERAL MONTHS, BUT BECAUSE THEY HAVE BEEN INTERMITTENT IT HAS BEEN HARD TO PINPOINT WHEN TO BRING IN TO THE DEALERSHIP FOR INSPECTION.

NHTSA complaint #11230316 — an unverified report by a vehicle owner.

2016 GMC Yukon Denali at 80,100 miles Mooresville, NC

POWER TRAIN

I HAVE ONLY OWNED THIS CAR SINCE 3/29/19 AND SEVERAL TIMES NOW MY YUKON'S CHECK ENGINE LIGHT HAS CAME ON AFTER THE TRANSMISSION BUCKS, JUMPS OR JERKS HARD, NOT SURE WHAT TO CALL IT BUT IT BUCKED OR SHOVED MY CAR FORWARD WHEN TRYING TO SLOW DOWN OR STOP (NOT PRESSING GAS PEDAL). THIS COULD BE DANGEROUS AS IT INTERFERES WITH TRYING TO STOP THE VEHICLE. IT WAS SUCH A HARD JOLT THAT IT FOR A MINUTE I THOUGHT ANOTHER CAR REAR ENDED ME. THIS HAS HAPPENED AT LEAST TWICE AFTER I PRESSED THE BRAKE TO BEGIN SLOWING DOWN AS I WAS PREPARING TO PULL INTO A PARKING LOT, I WAS PROBABLY GOING AROUND 20MPH. IT ALSO HAPPENED TWICE WHILE ACCELERATING ONTO A ROAD, PROBABLY GOING 35 MPH AND JUST FELT A JOLT LIKE SOMETHING KICKED MY CAR FORWARD SUDDENLY. I'VE BEEN TOLD THAT THE JERKING PROBLEM IS RELATED TO ISSUES WITH THE TRANSMISSION, POSSIBLY THE TORQUE CONVERTER AND CAUSES GEARS NOT TO FUNCTION PROPERLY. I'M GOING TO PUT IN MY MOST RECENT DATE THAT THIS HAPPENED ON YOUR FORM BUT IT'S HAPPENED MORE THAN ONCE.

NHTSA complaint #11221979 — an unverified report by a vehicle owner.

2008 GMC Yukon Denali at 115,000 miles Grants Pass, OR

POWER TRAIN

INTERMITTENT ELECTRICAL ISSUES. DOORS LOCKS AND WINDOWS DON'T ALWAYS WORK. SOMETIMES WHEN I SHUT MY CAR OFF IT DIES. LIKE I CAN'T TURN IT BACK ON. RUNNING BOARDS DON'T GO UP, CAN'T LOCK IT, NOTHING. DEAD. THEN 15 MINUTES LATER IT'S FINE. SOMETIMES WHEN DRIVING, IT'S LIKE IT'S CUTTING OUT, NOT GETTING ENOUGH POWER OR DIFFERENT WARNING LIGHTS WILL RANDOMLY FLASH. I JUST NEVER KNOW WHEN IT'S GOING TO BE WORKING PROPERLY. I'M JUST AFRAID SOMETHING WILL HAPPEN WHILE WE ARE DRIVING. WE ALSO USE THE YUKON TO TOW A TRAILER. I NEED TO BE ABLE TO DEPEND ON IT. THE SHOP CAN NEVER DUPLICATE THE ISSUE AND THEY JUST LOOK AT ME LIKE I'M CRAZY.

NHTSA complaint #11206510 — an unverified report by a vehicle owner.

2017 GMC Yukon Denali at 40,162 miles Newport Coast, CA

POWER TRAIN

SHUDDER UNDER LIGHT, CONSTANT ACCELERATION AT 35MPH TO 55MPH, RPM UNDER 1,500. UPHILL GRADE IT IS ACCENTUATED. SHUDDER OCCURS FOR 1 SECOND ACROSS WHOLE VEHICLE, REOCCURS EVERY FEW SECONDS AT A CONSTANT INTERVAL. SEEMS TO BE SAME ISSUE WITH ALL 8L90 TRANSMISSIONS FROM GM/CHEVY/CADI.

NHTSA complaint #11130750 — an unverified report by a vehicle owner.

2015 GMC Yukon Denali Magnolia, TX

POWER TRAIN

I GIVE!!! NOW BREAK LIGHTS NOT WORKING!!! RIGHT BREAK LIGHT IS OUT AND LEFT DRIVER IS INTERMITTENT. VEHICLE HAS 37K ON IT AND WAS JUST PICKED UP FROM THE DEALER AFTER HAVING 1 OF MANY ISSUES THROUGH THE PAST YEAR RECTIFIED AND NOW THIS! THIS IS A SIGNIFICANT SAFETY HAZARD AND COULD TREMENDOUSLY INJURE SOMEONE. RIGHT NOW MY CAR CANNOT EVEN PASS INSPECTION DUE TO THE FAULTY EQUIPMENT INSTALLED BY THE MANUFACTURE THAT IS A DANGER TO MY SAFETY. I HAVE OWNED MANY GMC'S (6 TOTAL) THROUGH THE YEARS AND THIS BEING THE WORST!! THE LATEST, I HAVE HAD THE TORQUE CONVERTER REPLACED IN AUG 18 - DUE TO SHUDDERING AND VIBRATION. THEN THE STEERING COLUMN REPLACED DUE TO POPPING , BACK HATCH HINGE REPLACED DUE TO POPPING AND MALFUNCTION, BACK GLASS DOOR RUBBER GASKET REPLACED DUE TO LEAKING, SHARKFIN ANTENNA REPLACED DUE TO LEAKING, SUNROOF GASKET REPLACED DUE TO LEAKING, NEW TIRES AT 500 MILES DUE TO EXCESSIVE VIBRATION. BACK DOOR ADJUSTED DUE TO SLAMMING, AND ADDITIONAL SLIGHT ISSUES. THE RADIO HAS A CONSTANT GLITCH ON THE SCREEN SINCE DAY ONE THAT AFTER BEING TAKEN IN NUMEROUS TIMES, OF COURSE THE DEALER CANNOT REPLICATE THE PROBLEM AND KEEPS PERFORMING A FLASH UPDATE WHICH NEVER HELPS AND AS SOON AS I DRIVE OFF IT GLITCHES AGAIN. I HAVE CONTACTED GM REGARDING THE BRAKE LIGHTS, RADIO, AND NOW MY PASSENGER STEP IS MALFUNCTIONING NOT TO MENTION A RECALL WAS JUST RELEASED ON THE POWER STEERING. WILL THE REPAIRS EVER END? GUESS ONCE I TRADE IT IN ON ANOTHER MANUFACTURE AS THIS WILL MOST LIKELY BE THE LAST GMC I WILL EVER PURCHASE!! I DO NOT HAVE TIME TO LIVE MY LIFE AT THE DEALER FOR A HIGH END PURCHASE THAT IS THE WORST MISTAKE EVER!! NOT TO MENTION BEING A SAFETY HAZARD!!!

NHTSA complaint #11130057 — an unverified report by a vehicle owner.

2015 GMC Yukon Denali at 20 miles Vancleave, MS

POWER TRAIN

VEHICLE CLUNKS OR HARD SHIFT WHILE SHIFTING VEHICLE FROM PARK TO DRIVE, OR PARK TO REVERSE. HAPPENS EVERY MORNING OR WHILE TRANSMISSION HAS COOLED DOWN. DEALER INDICATES THERE'S NO FIX FOR THIS CONDITION, NOT EVEN A UPDATE TO TRANSMISSION SOFTWARE.

NHTSA complaint #11130274 — an unverified report by a vehicle owner.

2015 GMC Yukon Denali at 55,000 miles Winston-Salem, NC Crash

POWER TRAIN

I WAS RECENTLY IN AN ACCIDENT AT A STOPLIGHT. WHEN I ARRIVED AT THE STOPLIGHT SOMETHING FELL OUT OF PASSENGER SEAT ONTO FLOOR. I PUT THE TRUCK IN PARK, TOOK OFF MY SEATBELT, LEANED OVER TO PICK UP ITEM AND PUT IT BACK ON THE SEAT. I THEN PUT SEATBELT BACK ON AND PUT FOOT ON BRAKE AND PUT THE TRUCK INTO DRIVE. IT ALL HAPPENED PRETTY QUICKLY AND CAN'T SWEAR TO THE SPECIFICS BUT I THINK THE TRUCK MAY HAVE "JUMPED" A LITTLE WHEN I PUT THE TRUCK INTO DRIVE AND PROPELLED ME INTO THE CAR IN FRONT OF ME AT A VERY LOW SPEED. THE REASON WHY I BELIEVE THIS HAPPENED IS THAT I HAD PREVIOUSLY ASKED THE LOCAL GMC DEALER SERVICE CENTER IF THERE WERE ANY RECALLS OR OTHER REPORTS ON THIS TYPE OF THING HAPPENING BECAUSE IT HAPPENS WITH MY TRUCK. I HAD BEEN EXPERIENCING THIS "ENGINE JUMPING" UPON PUTTING IT INTO DRIVE ISSUE FOR SEVERAL MONTHS.

NHTSA complaint #11023490 — an unverified report by a vehicle owner.

2015 GMC Yukon Denali at 56,000 miles Lake Orion, MI

POWER TRAIN

WHEN SHIFTING INTO GEAR FROM A CHILD START, THE VEHICLE TAKES APPROXIMATELY 3 SECONDS TO SHIFT. DURING THAT TIME THE VEHICLE IS NOT IN GEAR AND CAN ROLL IN ANY DIRECTION. THERE IS A SOFTWARE FIX FOR THIS THAT I MUST PAY THE DEALER TO INSTALL. THIS HAPPENS EVERY COLD START.

NHTSA complaint #11000313 — an unverified report by a vehicle owner.

2015 GMC Yukon Denali Coulmbia, SC

POWER TRAIN

VEHICLE DRIVE TRAIN OPERATES ERRATICALLY IN VARIOUS OPERATING SITUATIONS AND HAS EXTENSIVE VIBRATIONS BETWEEN 25-40MPH; VIBRATIONS ARE WORSE IN CERTAIN GEARS. SIGNIFICANT LUNGEING AND JERKING OF SHIFTING GEARS ON ACCELERATION, PARTICULARLY WHEN NOT ACCELERATING INTENSELY. VEHICLE MAKES A CLUNK/KNOCK SOUND WHEN DECELERATING RAPEDLY. TAKEN IN FOR SERVICE 2X AT 2 DIFFERENT GMC DEALERS. TRANSMISSION HAS BEEN REPROGRAMMED 1X. NITHER DEALER PROVIDED GMC TECHNICAL SERVICE BULLETIN "#99-04-20-002I: INFORMATION ON DRIVE TRAIN CLUNK NOISE - (NOV 18, 2014)" AFTER MY VEHICLE WAS TAKEN ON AN UNAUTHERIZED 30 MILE 'TEST DRIVE' I WAS TOLD 'IT'S NORMAL OPERATION' AND "CUSTOMER CONCERN NOT DUPLICATED AT THIS TIME". SIMPLY FIND THIS HARD TO BELIEVE AS THE OPERATIONS AS DESCRIBED ARE BEING ACKNOWLEDGED BY A GMC BULLETIN. THIS IS SERIOUS: (1) THE SUDDEN JERKING/SLAMMING OF GEARS WILL HAVE A LONG TERM EFFECT ON THE TRANSMISSION (2) THE ACCELERATION ON DOWNSHIFTING IS A HUGE LIABILITY AS THE INCREASED POSSIBILITY OF COLLISION IS SIGNIFICANT AND (3) DIFFINETLY NOT 'NORMAL' OPERATION.

NHTSA complaint #10971782 — an unverified report by a vehicle owner.

2015 GMC Yukon Denali at 15,000 miles Timmonsville, SC

POWER TRAIN

IN MOTION VEHICLE SHUTTERS, CLUNKING IN BETWEEN GEARS, CLUNKS GOING INTO REVERSE, SHUTTERS BETWEEN 30-40 MPH AND OVER 65 MPH. BOUGHT VEHICLE BRAND NEW OFF SHOW ROOM FLOOR, VEHICLE WAS OUT OF ALIGNMENT WHEN I PURCHASED IT. AROUND 12,000 MILES NOTICED IT WAS SHUTTERING AND AS TIME HAS CONTINUED IT HAS PROGRESSIVELY GOTTEN WORSE. AT 17,000 MILES 11/16 TORQUE CONVERTOR WENT OUT AND WAS REPLACED. 1/17 BACK IN SHOP NOW WITH SAME PROBLEMS BUT MUCH WORSE.

NHTSA complaint #10947079 — an unverified report by a vehicle owner.

2016 GMC Yukon Denali at 100 miles Naperville, IL

POWER TRAIN

SINCE THE DAY I PURCHASED THIS 2016 GMC YUKON XL DENALI THERE HAS BEEN A VIBRATION IN WHAT I THINK IS THE PASSENGER REAR END. I'VE TAKEN IT IN 3 TIMES AND EACH TIME THE DEALER AND THE GM REPRESENTATIVE SAY IT IS "WITHIN SPEC." THIS PROBLEM HAS PERSISTED. THE VEHICLE IS NOW ALMOST UN-DRIVABLE DUE TO THE SHAKING. IT AFFECTS THE STEERING WHEEL AT ALL SPEEDS. THIS HAPPENS AT ALL SPEEDS ON ALL TERRAINS. THIS HAPPENS WHEN THE VEHICLE IS COLD AS WELL AS WARM/HOT. THE VEHICLE WILL SOMETIMES JERK TO THE LEFT OR RIGHT WHEN THE SHAKING GETS REAL BAD. THIS VEHICLE IS BECOMING DANGEROUS TO DRIVE BUT I HAVE TO USE IT. I AM NOT THE ONLY ONE WITH THIS ISSUE AND WOULD APPRECIATE SOME HELP.

NHTSA complaint #10919298 — an unverified report by a vehicle owner.

2008 GMC Yukon Denali at 102,000 miles Carrollton, TX

POWER TRAIN

TL* THE CONTACT OWNS A 2008 GMC YUKON DENALI. WHILE DRIVING APPROXIMATELY 30 MPH, THE VEHICLE IDLED, BUT FAILED TO ACCELERATE. THE CONTACT HAD TO PULL OVER TO THE SIDE OF THE ROAD AND SHUT THE ENGINE OFF. AFTER A FEW MINUTES, THE VEHICLE RESTARTED AND WAS DRIVEN HOME. THE VEHICLE WAS TOWED TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE TRANSMISSION NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 102,000.

NHTSA complaint #10904703 — an unverified report by a vehicle owner.

2005 GMC Yukon Denali Clifton, VA

POWER TRAIN

SINCE 2009, I HAVE BEEN TAKING MY 2005 YUKON DENALI TO BOTH DEALERSHIPS AND OTHER MECHANIC SHOPS TO FIX A VERY HAZARDOUS PROBLEM. TO DATE, NO ONE HAS BEEN ABLE TO FIX THE PROBLEM. WHEN ACCELERATING FROM A STOP OR ANYTIME WHEN TRAVELING BETWEEN 1- 2-3RD GEARS, THE ACCELERATOR WILL SUDDENLY STOP WORKING AND THE "TRACTION ACTIVE" LIGHT WILL COME ON. FOR APPROXIMATELY 10 SECONDS, THE CAR WILL NOT ACCELERATE. THIS STARTED HAPPENING INFREQUENTLY - 1 PER MONTH - AND OVER THE YEARS HAS BECOME MUCH MORE FREQUENT - 2-3 TIMES A WEEK. THIS DOES NOT HAPPEN WHEN THE ROAD CONDITIONS CHANGE. IT CAN HAPPEN AT ANY TIME UNDER ANY CONDITION. THE SCARY THING ABOUT THIS IS THAT WHEN YOU ARE ACCELERATING FROM A STOP AND OTHER CARS ARE ACCELERATING BEHIND YOU, THEY DON'T ANTICIPATE THAT YOU WILL STOP ACCELERATING (THE BRAKE LIGHTS DO NOT COME ON), THEREFORE, THEY ALMOST REAR END ME. IT IS A VERY DANGEROUS SITUATION. MY DEALERSHIP DOES NOT KNOW HOW TO FIX IT, YET THERE ARE COMPLAINTS ALL OVER THE INTERNET ABOUT THIS SAME PROBLEM. I HAVE JUST FILED A CASE WITH GM FOR ASSISTANCE. WE WILL SEE WHAT THEY DO. I BELIEVE A RECALL IS LONG OVERDUE. WHILE WE HAVE NOT GOTTEN IN AN ACCIDENT, THAT IS SIMPLY BECAUSE WE HAVE BEEN LUCKY.

NHTSA complaint #10854530 — an unverified report by a vehicle owner.

2012 GMC Yukon Denali at 33,000 miles Mcminnville, OR

POWER TRAIN

TL* THE CONTACT OWNS A 2012 GMC YUKON DENALI. WHILE ATTEMPTING TO ACCELERATE FROM A STOP, THE VEHICLE BEGAN TO HESITATE AND LOSE POWER, BUT THE ENGINE CONTINUED TO REV. THE FAILURE OCCURRED RANDOMLY WITHOUT WARNING. THE VEHICLE WAS AT THE DEALER FOR DIAGNOSTIC TESTING. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VIN WAS UNKNOWN. THE FAILURE MILEAGE WAS APPROXIMATELY 33,000. UPDATED 05/11/16*LJ

NHTSA complaint #10852175 — an unverified report by a vehicle owner.

2007 GMC Yukon Denali at 102,000 miles Wilmerding, PA 1 injured

POWER TRAIN

TL* THE CONTACT OWNS A 2007 GMC YUKON DENALI. THE CONTACT STATED THAT THE CHROME PLATING ON ALL THE INTERIOR DOOR HANDLES WERE PEELING CAUSING THE CONTACT TO SUSTAIN MINOR CUTS ON THE HAND. THE CONTACT MENTIONED THAT MEDICAL ATTENTION WAS NOT REQUIRED. IN ADDITION, THE CONTACT STATED THAT WHILE DRIVING AT 40 MPH, THE ENGINE POWER DOWN WARNING INDICATOR ILLUMINATED AND THE VEHICLE DECELERATED TO 20 MPH. THE ACCELERATOR PEDAL WAS DEPRESSED BUT FAILED TO RESPOND AND THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE VEHICLE WAS RESTARTED AND THE FAILURE PERSISTED. ON ANOTHER OCCASION, THE AIR BAG WARNING LIGHT ILLUMINATED. THE FAILURES OCCURRED ON SEVERAL OCCASIONS. THE VEHICLE WAS NOT DIAGNOSED FOR THE INTIAL FAILURE.THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE THROTTLE BODY NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 102,000.

NHTSA complaint #10735132 — an unverified report by a vehicle owner.

2010 GMC Yukon Denali at 60,000 miles Oklahoma City, OK

POWER TRAIN

WE HAVE OWNED THE CAR SINCE SEPT. 2013. ON MORE THAN 15 OCCASIONS IT FEELS LIKE THE TRANSMISSION DOES NOT ENGAGE THE NEXT GEAR. WHEN IT MISSES THE NEXT GEAR WHILE DRIVING THE RPMS SHOOT WAY UP, NOSE OF THE CAR DIPS, WE DECELERATE OR COAST, AND OCCUPANTS GET JERKED AND THRUSTED FORWARD TRIGGERING THE SEATBELT TO HARNESS YOU IN PLACE. THIS HAS HAPPENED ON MOST OF THE OCCASIONS. AT TIMES WHEN I AM PULLING OUT OF A PARKING SPOT IN REVERSE THE TRANSMISSION DOES NOT ENGAGE. NORMALLY WHEN VEHICLES ARE PUT INTO GEAR YOU CAN FEEL THE CAR IT, NOT ON THESE INSTANCES. I WOULD SHIFT THE CAR IN GEAR BUT NOT FEEL IT ACTUALLY GET INTO GEAR, PRESS THE PEDAL AND WATCH/FEEL THE RPMS INCREASE, AND THE VEHICLE DOES NOTHING - STAYS IN THE SAME PLACE. ACCELERATING ON A GREEN-LIGHT IS ANOTHER SITUATION WHERE THE VEHICLE HAS MISSED THE NEXT GEAR. SIMILAR TO THE DRIVING DESCRIPTION ABOVE, ONLY THIS IS FROM A DEAD STOP. THE CAR WILL MOVE FORWARD THEN TRY TO SHIFT INTO 2ND GEAR AND MISS. AGAIN THE NOSE DIVES, RPM'S SHOOT WAY UP, WE ARE JOLTED INTO OUR SEATBELTS. I GUESS THAT IT'S THE TRANSMISSION BUT I AM NOT A CAR GUY AT ALL, SUPPOSEDLY THE 2 DEALERSHIPS (EVEN LONGER STORY) THAT I TOOK THE VEHICLE TO REBUILT IT (TWICE) UNDER WARRANTY. THE VEHICLE HAS BEEN IN THE SHOP AT LEAST 4 TIMES FOR LONG PERIODS, WEEKS EACH TIME, DUE TO WHATEVER THE ISSUE IS. EACH TIME THEY SAY THEY HAVE FIXED THE PROBLEM AND THAT THEY ARE SORRY THAT THEY DIDN'T FIX IT THE PREVIOUS TIME. IT HAD BEEN A MONTHS SINCE IT HAPPENED LAST, UNTIL 2 WEEKS AGO WHILE ON MY WAY TO WORK DOING ABOUT 10MPH EXITING A ROUND-A-BOUT. I ONLY HEARD ABOUT THIS SITE TODAY (3/19/15) ON THE NEWS SO I AM REPORTING AS SOON AS I HEARD. I DID GET VIDEO OF SOME OF THE PROBLEMS AND SHOWED IT THE DEALERS (UNIMPRESSED), ONLY PROBLEM IS THEY COULD NOT GET THE CAR TO MISS GEARS, JERK, JOLT, OR NOSE DIVE WHILE IN THEIR POSSESSION TO EXPERIENCE IT HAPPEN.

NHTSA complaint #10695501 — an unverified report by a vehicle owner.

Other GMC Yukon Denali problems