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What 66 owners told NHTSA about the 2014 GMC Yukon Denali

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (66)Crash / fire / injury (3)Airbags (13)Body & structure (11)Engine (9)Electrical system (6)Speed control (4)Brakes (3)Electronic Stability Control (esc) (3)Steering (3)Transmission & drivetrain (3)Driver assistance (1)

3 of 66 complaints match · Electronic Stability Control (esc) · clear filters

Sep 15, 2020Electronic Stability Control (esc)

THE STABILITY CONTROL LIGHT CAME ON AND IT WOULD NOT LET ME DRIVE IT JUST STOP IN THE ROAD

NHTSA ODI 11355111

Jun 24, 2020SteeringSpeed controlElectronic Stability Control (esc)

WHILE DRIVING AT APPROXIMATELY 65 MPH ON A HIGHWAY, THE LOCKS ENGAGED, THE RADIO SHUT DOWN, POWER STEERING WAS LOST, AND THE VEHICLE SLOWED DOWN/BRAKED ON IT'S OWN. THANKFULLY WE WERE ABLE TO MOVE TO THE SIDE OF THE ROAD WITHOUT GETTING HIT. THE ONLY MESSAGE ON THE DASH WAS "SERVICE STABILITRACK." THE DEALER AND AN INDEPENDENT MECHANIC HAVE BEEN UNABLE TO REPLICATE THE ERROR MESSAGE. *TR

NHTSA ODI 11330577

Nov 12, 2019Transmission & drivetrainElectronic Stability Control (esc)Engine

UNDER NORMAL DRIVING THE VEHICLE WILL GO INTO "REDUCED ENGINE POWER" MODE WHILE SAYING SERVICE STABILITRAK AND STABILITRAK OFF. GIVE THE CODE REFERENCING A 5A REFERENCE. I HAVE REPLACED THE ECM 2X, THE ACCELERATOR PEDAL ASSEMBLY, THROTTLE BODY ENTIRE, HIGH PRESSURE FUEL SENSOR PROBLEM CONTINUES WITHOUT REMEDY. HAS HAPPENED TO MANY TIMES TO COUNT STARTING IN DEC 2008 TO PRESENT

NHTSA ODI 11279693

Working with the data? Download all 66 complaints as CSV · fetched from NHTSA July 22, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2014 GMC Yukon Denali verdict →