ONE OF THE OWNERS OF THE CAR WAS DRIVING IT TO WORK WHEN THE CAR STOPPED PULLING AND WOULD NOT SHIFT GEARS. BEFORE THIS HAPPENED, ON A FEW OCCASIONS THE CAR HAD TO GET A JUMP FROM ANOTHER CAR TO START. LAST, THE LIGHTER DID NOT WORK. WHEN THE OWNER GOT OFF WORK IN THE MORNING HE HAD THE CAR TOWED TO THE DEALERSHIP TO BE CHECKED. LATER THAT DAY THE OWNER WAS TOLD THAT THE TRANSMISSION WENT OUT AND…
2006 gmc Yukon powertrain problems
moderate 7 complaints filed with NHTSA · avg repair $2,500
What owners are reporting 4 most recent
TL* THE CONTACT OWNS A 2006 GMC YUKON DENALI XL. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 30 MPH, THE BRAKE PEDAL TRAVELED TO THE FLOORBOARD ABNORMALLY UPON ENGAGING. THE VEHICLE FAILED TO DECELERATE UNTIL AFTER THE GEAR LEVER WAS SHIFTED INTO NEUTRAL. THE CONTACT ALSO NOTICED BRAKE FLUID LEAKING ON THE GROUND. THE VEHICLE WAS TOWED TO AN AUTHORIZED DEALER WHERE THE DRIVER'S SIDE BRAKE …
TL* THE CONTACT OWNS A 2006 GMC YUKON XL. WHILE AT A STOP, THE VEHICLE LOST POWER AND THE TRACTION CONTROL WARNING INDICATOR ILLUMINATED. THE VEHICLE ACCELERATED EVENTUALLY. THE FAILURE RECURRED SEVERAL TIMES. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO PERFORMED AN ON-SCREEN DRIVING TEST, BUT WAS UNABLE TO FIND THE FAILURE CODES. THE DEALER WAS CONTACTED (JOHN PAUL'S GMC, GREENFIELD, WI…
2006 GMC YUKON XL - PURCHASED IN JAN. 2006, THE VEHICLE WAS TAKEN IN FOR SERVICE 1 MONTH AFTER TAKING DELIVERY FOR FOUL SMELL EMITTING FROM VEHICLE WHILE MOVING. IT WAS DIAGNOSED AS THE REAR DIFFERENTIAL PRODUCING THE ODOR, THEY CHANGED THE FLUID TO THE OLD SYNTHETIC TYPE, AND CLAIMED IT WAS THE SMELL OF THE GRAPE SEED EXTRACT USED IN THE ORGANIC NEW TYPE FLUID. THIS DID NOT SOLVE THE PROBLEM, THE…
Common questions
How serious is the powertrain problem on the 2006 gmc Yukon?
It's a documented issue but not catastrophic. 7 complaints have been filed. Repairs average $2,500 and most owners catch it before it causes a breakdown.
At what mileage does the powertrain typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.