2014 Gmc Denali problems, complaints & recalls
Most-reported problem areas: Service Brakes (1) · Fuel/Propulsion System (1) · Engine (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 (105)
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.
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).
Power Train 2023-06-07 · 04-07-30-013E · Service Bulletin/Repair Instructions
this service bulletin provides information to dealership personnel on automatic transmission shift and engine driveability concerns and/or mil on due to aftermarket oil bath air filter use.
Showing the 6 most recent of 105 bulletins. Search all of them free at nhtsa.gov.
What owners report
2020-09-15 · Electronic Stability Control (Esc) · 68,000 mi“the stability control light came on and it would not let me drive it just stop in the road…”
2019-12-29 · Engine · 57,000 mi“while driving on a city street the 2014 gmc sierra 6.2 l v8 lost power and started running rough as approaching an intersection. i was able to stop, and reverse the vehicle away from the intersection, to get out of traffic. the engine light was flashing and the truck shut down, it was unable to restart. the truck had under 60,000 miles on it at …”
2019-04-22 · Service Brakes · 75,138 mi“brake failure. the brake vacuum pump failed. i marked the failure as today as the dealership confirmed the failure. the failure occurred a month or so ago. it does not happen all of time.…”
2019-01-10 · Electrical System · 67,000 mi“blind spot sensors in the morrors are always lighting up with nothing to set them off.gm says there is no fix and they know of this problem with the acadia…”
2018-02-24 · Fuel/Propulsion System · 37,500 mi“check engine light code for def heater failure. possible limp mode effect in traffic.…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.