What 399 owners told NHTSA about the 2011 GMC Yukon Denali Xl 1500

Recurring System Problems: My vehicle continues to exhibit intermittent system failures, causing unpredictable and potentially dangerous driving conditions. These issues have included: engine stalling, braking issues, electronic system malfunctions].

NHTSA ODI 11638185

There are several incidents reported regarding ongoing assessment with GMC interplay activity I have noticed this have become a dangerous drive ability inside acceleration controls Governor sets whiling driving engine play transmission shifts this have gone beyond everyday practices during drive times this have been very noticeable during anyone time RPM gauges constantly disrupted radio functions remote controls are at play many problems are being serious illegal assessed during drive compulsive fuel guagement.I have been placed at dangerous risk by interplay noticability. Now slight tick sounds after full services sparkplug and wire as tuneup oil changes fuel services and coolant same recurring problems continued after serviced alignment services.controls are very strong

NHTSA ODI 11610673

Numerous difficulties have arisen during the process of driving on multiple occasions. The tablet/Radio continues to reset, and the traction control sensor light continues to illuminate. I have communicated with the GMC service center on several occasions, and each time, no issues were found. During an oil change at another dealership, no service recommendations were mentioned, yet a list of offset services was listed on Mopar. As I continued to drive, I noticed that the speed controls were limiting speeds, necessitating self-serviced accelerated drives. This has been ongoing for some time while driving and has required ongoing fuel adjustments. I have received tune-up services, coolant services, fuel services, wheel balancing, and several alignments, which have recently caused significant inconvenience. Routine maintenance has been performed, and the RPM gauge remains constant during operation. Make a unsafe drive.

NHTSA ODI 11606013

I am writing to express my concerns and frustrations regarding the recurring issues with my vehicle despite multiple service appointments at Classic GMC Arlington. Despite numerous attempts to address these problems, I continue to experience issues with Continuity of service and performance Fueling system and coolant system problems (twice in six months) Stabilizer link light illumination during startup RPM acceleration while slowing down or stopping Ticking sound from the engine. Each time I bring my vehicle in for service, I am told that there are no issues with the performance, idle, or spark plugs, despite having recently received a full service tune-up. I suspect that there may be intentional damage or tampering with my vehicle, which is causing these persistent problems.I have not had any prior issues or service lights illuminated before, and there were no incidents reported by the previous owners. I believe there may be fraudulent activity involving the manufacturer and service providers. schedule a thorough inspection and diagnosis to address these recurring issues.

NHTSA ODI 11599554

GMC shuts down while driving. Almost caused 2 accidents. Then it starts back up. Very dangerous!!!

NHTSA ODI 11569513

Engine coolant is usually water–based, and may also be oil. A three–valve–per–cylinder was originally slated for the LS7, and was abandoned imputable to design complexities. E85 ethanol should is an understatement to the ‘war on fossil fuels.’ The L98 is a modified version of the L76, with increased power and reduced redundant hardware. A Vee engine is common configurations of internal combustion consisting of two cylinder banks connected to a common crankshaft.

NHTSA ODI 11555752

MUTIPLE REDISTRIBUTING OF VECHICLE BY FRAMED POLICE RETALIATION AND TERRIFFS CONTROLING SIGNAL AND CUMMUNICATIONS THROUGH THE NEGLIGENT USE OF PARTS FROM MY TRUCKS BUILD BASED OFF OF SALES MEN CLAIMING TO PROTECT THE FINANCING DEPARTMENTS AND TRANSFER OF TITLES OF INCORPORATED DEALS DEALERS RIGHTS TO INVESTIGATING HIGH CACULATORY VARIABLES

NHTSA ODI 11291149

WITH THE CAR IS STOPPED, IGNITION OFF, KEY OUT, THE CAR WILL PERIODICALLY LUNGE FORWARD WHILE IN PARK. THE LUNGE IS ALWAYS FORWARD AND WITHIN 5 MINUTES OF TURNING CAR OFF. WHEN I NOTIFIED THE DEALER, THEY FLASHED NEW CODE TO THE ON-BOARD COMPUTER. THE NEXT TIME I INFORMED THE SERVICE DEPARTMENT THAT IT WAS STILL DOING LUNGING, THEY STATED THIS IS "NORMAL". ABOUT 3 MONTHS AGO, I WAS KNOCKED TO THE GROUND WHEN THE VEHICLE LUNGED FORWARD. I WAS CHECKING THE OIL AT THE TIME. *TR

NHTSA ODI 10510626