2012 GMC Yukon Denali: common problems

Owners of the 2012 GMC Yukon Denali filed 28 complaints with NHTSA, most often about air bags and structure. Details by component below, with sources.

Key figures

Owner complaints: 28

What fails most often

1 Air bags 29% of all complaints
2 Structure 29% of all complaints
3 Electrical system 7% of all complaints
4 Engine 7% of all complaints
5 Powertrain 4% of all complaints

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

Air bags: 8 complaints (29% of all).
Structure: 8 complaints (29% of all).
Electrical system: 2 complaints (7% of all).
Engine: 2 complaints (7% of all).
Powertrain: 1 complaints (4% of all).

Symptoms owners describe

How many of the 28 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).

knocking, grinding or other noise4 · 14%
airbag warning light2 · 7%
door locks, latches, handles1 · 4%
hesitation when accelerating1 · 4%
smoke, burning smell, fire1 · 4%
vibration1 · 4%
warning lights, check engine1 · 4%

Components owners complain about

Component	Owner complaints	involving a crash	Technical service bulletins (TSB)
Air bags	8	0	0
Structure	8	0	0
Electrical system	2	0	0
Engine	2	0	0
Powertrain	1	0	0
Other	11	0	0

What owners report

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

Dash is cracked and compromised in 2 places:. Middle clip is broken behind center speaker, and dash is cracked at the front left side of the passenger side airbag. Concerned about flying shards of broken dash plastic in the event the airbags deployed.
Air bags · 2019-07-06 · NHTSA complaint #11229750
The contact stated that the air bag warning indicator illuminated. The dealer (laroche chevrolet buick gmc cadillac, 900 us-290, brenham, [ZIP], [phone]) was contacted. The vehicle was not diagnosed or repaired. The vehicle was not included in a recall. The manufacturer was notified of the failure.
Air bags · 2018-12-10 · NHTSA complaint #11160573
Key gets stuck in the ignition all the time. The truck goes into complete shut down of all electrical components, I mean absolutely no power. I can't even call on the blue on star button. I took it to walker gmc in alexandria, la on january 15, 2018 because the engine light was on.
Electrical system · 2018-01-31 · NHTSA complaint #11066061
The contact stated that the failure occurred on eight separate occasions, and all four door handles failed and were replaced at some point since 2013. The cause of the failures was not determined. The manufacturer was notified, but no assistance was offered. The failure mileage was 30,000.
Structure · 2018-01-09 · NHTSA complaint #11061375
I have a 2012 gmc yukon denali. I've had several occasions where I'm driving and the truck turns off/or experiences a "short" for a few seconds. I have checked all electrical cables and have exchanged batteries twice (as they "drained").
Structure · 2017-09-20 · NHTSA complaint #11024611
@ 97,000 miles, getting cylinder #4 miss fire codes, replaced all plugs and affected coils packs. Now motor is making a ticking sound form lifters. Dealer said it needs new engine due to the afm system problems.
Engine · 2017-06-12 · NHTSA complaint #10994452
The contact stated that while operating the vehicle, the air bag warning light illuminated. The vehicle was taken to the dealer where it was diagnosed that the air bag control module needed to be replaced. The module was replaced and reprogrammed and the failure was remedied.
Air bags · 2017-01-19 · NHTSA complaint #10946300
Makes a terrible rattling sound when its hot outside; but no noise when it is cold outside.
Structure · 2016-05-09 · NHTSA complaint #10863971

When owners complained

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

201610
201712
20185
20191

Comparison

By complaint count this model year ranks 7,081 of 36,656 model years in the NHTSA data (top 19% most complained about).

On average one model year of the Yukon Denali has 45 complaints (20 years in the data). This year has 28, below average.

What to check before buying

Air bags. Check the SRS light, stored codes and airbag/curtain status after any impact.
Structure. Rails, pillars, panel gaps, signs of pulling or welding.
Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
Engine. Cold start, unusual noises, oil leaks and engine codes.

Other years of this model

Questions and answers

What are the most common problems with the 2012 GMC Yukon Denali?

Owner complaints to NHTSA most often mention: air bags, structure, electrical system. Total complaints: 28. The most frequent symptoms in complaint texts: knocking, grinding or other noise (14%), airbag warning light (7%), door locks, latches, handles (4%).

How many service bulletins (TSB) were issued for the 2012 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 2012 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 2012 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 2026-11-05.