2006 Gmc Yukon Denali Xl problems, complaints & recalls
Most-reported problem areas: Service Brakes (5) · Vehicle Speed Control (1) · Structure (1)
🧭 Reliability snapshot
Compared against other Gmc Yukon Denali Xl model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (685)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2025-07-18 · PIP5601C · Service Bulletin/Repair Instructions
this pi communicates the requirement to provide a pico file to receive diagnostic assistance from tac.
Unknown Or Other 2025-05-30 · PIT5074R · Service Bulletin/Repair Instructions
this preliminary information communication provides information to the technician about the use of j-35616-64b and mini 50 terminal test probe, replacement terminals, and terminated leads.
Unknown Or Other 2025-05-30 · PIT5074R · Service Bulletin/Repair Instructions
this preliminary information communication provides information to the technician about the use of j-35616-64b and mini 50 terminal test probe, replacement terminals, and terminated leads.
Unknown Or Other 2025-05-30 · PIT5074R · Service Bulletin/Repair Instructions
this preliminary information communication provides information to the technician about the use of j-35616-64b and mini 50 terminal test probe, replacement terminals, and terminated leads.
Unknown Or Other 2025-03-28 · 23-NA-001 · Service Bulletin/Repair Instructions
this service bulletin provides information for dealers/technicians on onstar module 2g sunset information.
Engine 2024-12-18 · 03-06-01-023I · Service Bulletin/Repair Instructions
this service bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
Showing the 6 most recent of 685 bulletins. Search all of them free at nhtsa.gov.
What owners report
2018-12-29 · Service Brakes · 101,000 mi“brakes failed with no warning lights or and kind of indication . fluid dripping out rear of vehicle. i was almost in a bad accident because of this ,also went into a panic attack. had other people and my life in danger.…”
2017-10-25 · Engine · 158,080 mi“exhaust leak. bolt broken on driver side…”
2017-09-06 · Electronic Stability Control (Esc) · 201,856 mi“traction control is coming on when i take off from a complete stop causing the vehicle to lose speed. i was almost in an accident because of this!…”
2016-04-26 · Structure“roof has constant leak when it rains. it leaks through the front side on dashboard/radio, and through dvd player located on roof. we have to cover vehicle each time we hear it is going to rain. i have seen there are millions of other drivers with yukons with this same problem. checking to see if this would be an issue gmc would resolve for o…”
2015-11-04 · Service Brakes · 125,000 mi“again, i am writing. i implore you to reinvestigation gmc for rusted brake lines. we replaced ours after they were so rusted, being a camping family, towing a trailer we could have all died. i understand that your office has investigated this and for whatever reason determined it was normal wear and tear but i think that your department is on overl…”
2015-09-21 · Fuel/Propulsion System · 57,200 mi“when taking off from a stop or at a slow speed the car stalls like its running out of gas, when that happens on the diagnostic center on the car reads "traction active", and then car behind me blows their horn telling me to move, then the car takes off. its really scary when i'm in the middle of traffic in the intersection or trying to make a left…”
2015-01-27 · Service Brakes · 31,585 mi · 💥 crash“on january 21, 2014 i had wreck in my 2006 gmc yukon that only had 31k on it hitting a 2011 chevy cruze that was stopped at a red traffic signal; i tried to brake at speed of 45 however the brake pedal went to straight to the floor, due to complete brake line failure due to corroded brake lines. on december 13, 2013 i had just gotten a virginia st…”
2014-07-01 · Service Brakes · 132,000 mi“after a full day of driving with my child in the car i went out on my own to get him medicine. while attempting to stop at the end of my block the brake pedal felt funny. i went to the next stop sign and attempted to stop and my vehicle wouldn't stop. i ended up rolling right into the middle of the intersection. i realized there was a big problem s…”
2013-12-02 · Service Brakes“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 a…”
2011-11-15 · Engine And Engine Cooling · 102,000 mi“recently, my check engine light came on in my 2006 yukon denali xl w/ a 6.0 engine. the diagnostic test showed a gas cap problem. however, this did not fix the issue. several weeks later, the engine started making what sounded like a clicking sound. upon further investigation, it was discovered that there was a leak in the driver's side exhaust…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.