2019 GMC Yukon Denali Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2019 GMC Yukon Denali, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Engine250.0%
- Driver assistance125.0%
- Tires & wheels125.0%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
The contact owns a 2019 GMC Yukon Denali. The contact stated that while driving at an undisclosed speed, there was an abnormal sound coming from under the vehicle. No warning light was illuminated. Additionally, the vehicle had an oil change approximately 50 miles prior to the failure. The contact stated that the vehicle lost automotive power and the contact was able to pull into a nearby gas station. The vehicle failed to restart. The message "Battery System failure" was displayed on the instrument panel. The contact stated that the GMC App diagnosed the vehicle with Stabili-trak Stability Control System Failure. The vehicle was towed to a local dealer where it was diagnosed with metal shaving in the engine which caused the noise. The contact was informed that the engine needed to be replaced. The vehicle was not repaired due to the cost and remained at the local dealer. Upon further investigation, the contact related the failure to an undisclosed NHTSA Investigation. The manufacturer was made aware of the failure. The failure mileage was approximately 115,000.
The contact owns a 2019 GMC Yukon Denali. The contact stated that while driving at an undisclosed speed, the engine made loud knocking sounds, and the vehicle lost motive power. The check engine warning light was illuminated. The vehicle went into LIMP Mode but was able to drive to the residence. The vehicle was towed to the dealer, where it was diagnosed that the lifters had failed, and that the engine needed to be disassembled for further inspection. The vehicle was not repaired. The manufacturer was made aware of the failure and a case was opened. The failure mileage was approximately 72,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Driver assistance
Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.
From owner reports, verbatim
The contact owns a 2019 GMC Yukon Denali. The contact stated that while driving at an undisclosed speed, there was an abnormal sound coming from under the vehicle. No warning light was illuminated. Additionally, the vehicle had an oil change approximately 50 miles prior to the failure. The contact stated that the vehicle lost automotive power and the contact was able to pull into a nearby gas station. The vehicle failed to restart. The message "Battery System failure" was displayed on the instrument panel. The contact stated that the GMC App diagnosed the vehicle with Stabili-trak Stability Control System Failure. The vehicle was towed to a local dealer where it was diagnosed with metal shaving in the engine which caused the noise. The contact was informed that the engine needed to be replaced. The vehicle was not repaired due to the cost and remained at the local dealer. Upon further investigation, the contact related the failure to an undisclosed NHTSA Investigation. The manufacturer was made aware of the failure. The failure mileage was approximately 115,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Tires & wheels
Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.
From owner reports, verbatim
TL* THE CONTACT OWNS A 2019 GMC YUKON DENALI EQUIPPED WITH FOUR BRIDGESTONE ALLIANZ TIRES, SIZE: 275/50/R22 (NA). WHILE DRIVING ABOVE 50 MPH, THE VEHICLE VIBRATED WITHOUT WARNING. THE VEHICLE WAS TAKEN TO COURTESY BUICK GMC (1857 EDWARDS LAKE RD, BIRMINGHAM, AL 35235, (205) 718-7565) WHERE IT WAS DIAGNOSED THAT THE TIRES FAILED TO BALANCE. THE VEHICLE WAS REPAIRED; HOWEVER, THE FAILURE RECURRED. THE MANUFACTURER WAS CONTACTED AND REPLACED THE TIRES. THE TIRE AND VEHICLE FAILURE MILEAGE WAS 6,300. THE DOT NUMBER WAS UNKNOWN.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .