2006 GMC Yukon Denali: common problems

Owners of the 2006 GMC Yukon Denali filed 21 complaints with NHTSA, most often about engine and latches, locks, linkages. Details by component below, with sources.

Key figures

Owner complaints: 21
involving a crash: 2

What fails most often

1 Engine 19% of all complaints
2 Latches, locks, linkages 19% of all complaints
3 Electronic stability control 10% of all complaints
4 Powertrain 10% of all complaints
5 Service brakes 10% of all complaints
6 Structure 10% of all complaints
7 Air bags 5% of all complaints
8 Electrical system 5% of all complaints

Circle size and colour show each component’s share of NHTSA complaints. Schematic only, not a drawing of the exact model.

Engine: 4 complaints (19% of all).
Latches, locks, linkages: 4 complaints (19% of all).
Electronic stability control: 2 complaints (10% of all).
Powertrain: 2 complaints (10% of all).
Service brakes: 2 complaints (10% of all), 1 of them with a crash reported by the owner.

Symptoms owners describe

How many of the 21 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).

rust, corrosion2 · 10%
airbag warning light1 · 5%
brake failure1 · 5%
door locks, latches, handles1 · 5%
smoke, burning smell, fire1 · 5%
unintended acceleration1 · 5%
windows, sunroof1 · 5%

Components owners complain about

Component	Owner complaints	involving a crash
Engine	4	0
Latches, locks, linkages	4	0
Electronic stability control	2	0
Powertrain	2	0
Service brakes	2	1
Structure	2	1
Air bags	1	0
Electrical system	1	0
Equipment	1	0
Exterior lighting	1	0
Tires	1	0
Visibility	1	0
Other	2	0

What owners report

Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.

Severe brake line corrosion and corrosion at wheel speed sensors causes abs to activate at low speeds. I had 2 near miss crashes and then car would not stop and I hit a fence in my yard yesterday. I have 4 other vehicles , a dodge, bmw, and 2 honda, all older than this one, and do not have the.
Service brakes · crash · 2017-09-08 · NHTSA complaint #11022280
Tl contact owns a 2006 gmc yukon denali. While driving approximately 35 mph, the contact crashed into a telephone pole, it broke and fell on the roof of the vehicle.
Structure · crash · 2010-01-22 · NHTSA complaint #10301872
The passenger side under dash bored caught on fire. Wile driving down the street it started to smoke and I saw flam. I was able to put flam out and lucky was a block from home.
Electrical system · 2018-09-05 · NHTSA complaint #11124654
Rear lift glass hinges are defective and gm has known about the issues for years and has not issued any recall to replace. Poor design is the problem. Glass flew off while driving in normal conditions. Safelite auto [phone]) replaced glass on 6/16/18. Defective hinge broke again, on 7/3/18.
Structure · 2018-07-15 · NHTSA complaint #11111440
When accelerating from a stop the electronic control system kick in bringing the vehicle to a stop! This is very dangerous while in traffic and is a huge safety concern. Dealer suggest replacing the brake sensor or disabling it. First occurrence of this event the vehicle had 35k miles.
Electronic stability control · 2015-10-10 · NHTSA complaint #10781222
It seems to me that it shorted out or may have had wires that became corroded. Just one of a multitude of continuing electrical problems with this vehicle.
Exterior lighting · 2014-05-17 · NHTSA complaint #10592169
When accelerating from a red light and turning right, the powertrain suddenly disengaged, nearly causing an accident from unsuspecting drivers behind my yukon. The engine remains on, the shifter (automatic) has not moved and indicates "drive". Moving the shifter to other gears did not help either.
Powertrain · 2014-05-17 · NHTSA complaint #10592168
The contact stated that she started the vehicle and the service air bag light illuminated. The vehicle was taken to the dealer for inspection and they stated that the impact air bag sensors needed to be repaired. The vehicle was not repaired. The manufacturer was not notified of the failure.
Air bags · 2014-03-28 · NHTSA complaint #10575382

When owners complained

NHTSA complaints by filing year. The peak shows at what age the problems show up most.

20081
20092
20103
20112
20123
20132
20143
20151
20172
20182

Comparison

By complaint count this model year ranks 8,077 of 36,659 model years in the NHTSA data (top 22% most complained about).

On average one model year of the Yukon Denali has 45 complaints (20 years in the data). This year has 21, below average.

What to check before buying

Engine. Cold start, unusual noises, oil leaks and engine codes.
Latches, locks, linkages. Door, hood and tailgate latches, especially near the impact.
Electronic stability control. ABS/ESC sensors, steering angle, codes after suspension repair.
Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.

Other years of this model

Questions and answers

What are the most common problems with the 2006 GMC Yukon Denali?

Owner complaints to NHTSA most often mention: engine, latches, locks, linkages, electronic stability control. Total complaints: 21. The most frequent symptoms in complaint texts: rust, corrosion (10%), airbag warning light (5%), brake failure (5%).

How many service bulletins (TSB) were issued for the 2006 GMC Yukon Denali?

NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.

Should I buy a 2006 GMC Yukon Denali from a US auction?

Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.

Other 2006 models

Read also

Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-06.