2012 Gmc Denali problems, complaints & recalls
Most-reported problem areas: Structure:body (1) · Fuel/Propulsion System (1) · Air Bags (1)
🧭 Reliability snapshot
Compared against other Gmc Denali 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 (103)
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.
Structure 2023-06-30 · 99-08-51-001F · Service Bulletin/Repair Instructions
this service bulletin provides information on paintless dent repair process.
Engine And Engine Cooling 2023-06-30 · 01-06-01-011N · Service Bulletin/Repair Instructions
this service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
Power Train 2023-06-29 · 17-NA-066 · Service Bulletin/Repair Instructions
this service bulletin provides information for automatic transmission oil cooler flush and flow test.
Electrical System 2023-06-29 · 13-08-116-001I · Service Bulletin/Repair Instructions
the intent of this service bulletin is to identify aftermarket aldl or dlc interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
Equipment 2023-06-14 · 16-NA-158 · Service Bulletin/Repair Instructions
this service bulletin describes the u.s. dealer special tool loan program process.
Equipment:other:owners/Service/Other Manual 2023-06-08 · 23-NA-103 · Service Bulletin/Repair Instructions
this service bulletin provides information on submitting quality photos of various vehicle concerns to the gm technical assistance center (tac).
Showing the 6 most recent of 103 bulletins. Search all of them free at nhtsa.gov.
What owners report
2021-02-11 · Unknown Or Other“dash cracks everywhere, all attachment points are cracking. no apparent reason other than using a un u.v protected plastic.…”
2019-02-19 · Unknown Or Other“the dash has cracked above the instrument panel and by the air bag. unsure when it accorded. noticed it was making a sound and in 2 weeks has gotten much worse…”
2018-09-06 · Unknown Or Other · 60,000 mi“crack in passenger side of dashboard....vehicle was statioary…”
2018-04-04 · Structure:body“my dash is cracking for no apparent reason. it's to a point now of needing replaced and has raised my safety concern for myself and passenger if i was to come involved in a crash by broken large plastic fragments.…”
2017-09-11 · Fuel/Propulsion System · 100,000 mi“when the vehicle is at 50 60 or any speed - the tachometer jumps and the car surges feels like it going to stop…”
2017-06-25 · Air Bags · 82,000 mi“dash board has cracked around airbag. concerned that if there was a collision that tye airbag would explode and entire dash would explode with it…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.