Model year record
2017 GMC Sierra Denali recalls & problems
The 2017 GMC Sierra Denali has no safety recalls on file with NHTSA, and 15 owner complaints. The most-reported problem area is unknown or other (3 complaints).
Safety recalls
No safety recalls have been filed for the 2017 GMC Sierra Denali.
Recall repairs are free at any authorised dealer. A recall listed here may already have been fixed on a particular car: enter its 17-character VIN at nhtsa.gov/recalls to see open recalls.
What owners report
| Problem area | Complaints | Typical mileage* |
|---|---|---|
| Unknown or other | 3 | — |
| Power trainAutomatic transmission | 3 | 42,300 mi |
| Engine | 2 | — |
| Wheels | 1 | — |
| Suspension | 1 | — |
| Exterior lightingTail lights | 1 | — |
| Equipment | 1 | — |
| Air bags | 1 | — |
| Seat belts | 1 | — |
| Engine and engine cooling | 1 | — |
| Electrical systemIntegrated trailer brake control | 1 | — |
*Median odometer reading when the problem happened, where owners gave one. One complaint can name several problem areas.
Recent owner complaints
- Electrical system › Integrated trailer brake control
The contact owns a 2017 GMC Sierra Denali 2500. The contact stated that while driving 25 MPH downhill, the message âReduced Engine Powerâ was displayed. While the message was displayed, the trailer brakes and exhaust brake became inoperable, and the braking distance increased. The failure mileage was approximately 186,000.
- Engine
The contact owns a 2017 GMC Sierra 2500 Denali. The contact stated that while driving at an undisclosed speed, the vehicle went into LIMP Mode. There was no warning light illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed and determined that the knock sensor had failed and needed to be replaced. The vehicle was not repaired. The dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 209,000.
- Power train › Automatic transmission
The contact owns a 2017 GMC Sierra Denali. The contact stated that while driving on the highway at an undisclosed speed, the vehicle jerked, failed to accelerate, and stalled. The vehicle was unable to shift into third gear. The check engine warning light was illuminated. The vehicle was drivable and was taken to the dealer. The vehicle was diagnosed with a wiring harness failure on the transmission. The vehicle was repaired based on the diagnostic test but failed to fix the vehicle. The vehicle was parked at the residence and was undrivable. The failure mileage was approximately 103,000.
- Engine and engine cooling
The contact owns a 2017 GMC Sierra Denali. The contact stated that while driving approximately 40 MPH, the check engine warning light illuminated. The contact stated that the vehicle was shuddering and vibrating. The contact pulled over and opened the hood with the engine running. The contact stated that there was an abnormal ticking sound coming from the engine. The vehicle was driven to an independent mechanic, who diagnosed the vehicle and determined that the fuel injectors needed to be replaced. The vehicle was repaired; however, the vehicle was still running rough. The contact was advised by the mechanic that the fuel injectors needed to be reprogrammed, and the vehicle was taken to a…
- Air bagsCrash1 injury
The contact owned a 2017 GMC Sierra Denali. The contact stated that while driving at 65 MPH, he briefly fell asleep. As a result, the vehicle left the roadway and collided with the exit median, coming to a complete stop after careening into a side ditch. The air bags did not deploy, and the seat belt failed to properly retrain, resulting in head and neck injuries. No warning lights were illuminated. A police report was filed, and injuries were reported. The contact was transported to an area hospital by EMT and treated for various lacerations to his head and arms and an unstable fracture of the C7 in his lower neck, later requiring surgery. The vehicle was towed to a tow yard and deemed a…
- Equipment
The contact owns a 2017 GMC Sierra Denali. The contact was notified by her state inspection office that her vehicle was included in NHTSA Campaign Number: 21V496000 (Equipment). The dealer was notified about the recall and informed her that parts for the recall repair were not yet available. The manufacturer had been notified of the recall and contacted several dealers in her area; however, the dealers also did not have part available for the recall. The contact stated that the manufacturer had exceeded a reasonable amount of time for the repair. The contact had not experienced a failure. Parts distribution disconnect.
- Exterior lighting › Tail lights
2017 GMC DENALI. CONSUMER WRITES REGARDING AN INOPERATIVE PASSENGER TAIL LIGHT. *LD THE CONSUMER STATED THE AFTER REMOVING THE FIXTURE, HE DISCOVERED THERE WAS NO BULB. THE ONLY WAY TO REPAIR THE FAILURE WAS TO REMOVE THE ENTIRE FIXTURE. *JS
- Unknown or other
MY AIR CONDITIONING STOPPED WORKING AT ONLY 51,800MI AND JUST OVER 3 YEARS OLD ON MY 2017 GMC SIERRA 1500 DENALI. MY MECHANIC SAID MY AC CONDENSER IS LEAKING AND NEEDS TO BE REPLACED. HE SAID IT IS A WIDELY KNOWN ISSUE BUT NOT A RECALL.
Owner complaints are submitted to NHTSA by the public and are not verified. Shown as filed (NHTSA removes personal details); long reports are shortened.