2009 GMC Sierra Denali: common problems

Owners of the 2009 GMC Sierra Denali filed 7 complaints with NHTSA, most often about air bags and structure. Details by component below, with sources.

Key figures

Owner complaints: 7

What fails most often

1 Air bags 29% of all complaints
2 Structure 29% of all complaints
3 Fuel system 14% 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: 2 complaints (29% of all).
Structure: 2 complaints (29% of all).
Fuel system: 1 complaints (14% of all).

Components owners complain about

Component	Owner complaints	involving a crash	Technical service bulletins (TSB)
Air bags	2	0	0
Structure	2	0	0
Fuel system	1	0	0
Other	3	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.

Severely cracked oem dashboard. If the airbags go off I'm very afraid of catching plastic shards in my face.
Structure · 2019-04-30 · NHTSA complaint #11204858
Tl* takata recall. The contact owns a 2009 gmc sierra denali. The contact received notification of nhtsa campaign number: 16v381000 (air bags); however, the parts to do the repair were unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair.
Air bags · 2018-02-12 · NHTSA complaint #11072250
The vehicle check engine light came on and the engine stopped running while in motion. No injuries or accident accorded at the time, but we were stranded on the side of the road. According to the recall bulletin, this recall was vin specific and my vehicle's vin was not a part of this recall.
Fuel system · 2017-08-18 · NHTSA complaint #11016149
The dash is cracked in the airbag area and I am concerned about it flying off and possibly causing an injury in the event of an airbag deployment.
Air bags · 2014-07-07 · NHTSA complaint #10608796

When owners complained

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

20141
20161
20171
20182
20191
20211

Comparison

By complaint count this model year ranks 12,538 of 36,656 model years in the NHTSA data (top 34% most complained about).

On average one model year of the Sierra Denali has 14 complaints (18 years in the data). This year has 7, 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.
Fuel system. Fuel smell, leaks, rough running, fuel-system codes.

Other years of this model

Questions and answers

What are the most common problems with the 2009 GMC Sierra Denali?

Owner complaints to NHTSA most often mention: air bags, structure, fuel system. Total complaints: 7. The most frequent symptoms in complaint texts: warning lights, check engine (14%).

How many service bulletins (TSB) were issued for the 2009 GMC Sierra 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 2009 GMC Sierra 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 2009 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.