2017 Gmc Sierra Denali problems, complaints & recalls
Most-reported problem areas: Power Train (2) · Engine (2) · Wheels (1)
🧭 Reliability snapshot
Compared against other Gmc Sierra 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 (606)
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.
Unknown Or Other 2026-09-26 · PIT5698F · Service Bulletin/Repair Instructions
this pi provides diagnostics tips on how the lin bus works and how to diagnosis it.
Unknown Or Other 2026-09-04 · PIP4902W · Service Bulletin/Repair Instructions
this preliminary information advises a dealer on how to email gds2 session logs into technical assistance.
Unknown Or Other 2026-07-21 · PIT5099J · Service Bulletin/Repair Instructions
pi to help diagnose a/c concern
Unknown Or Other 2026-04-01 · PIT3271Q · Service Bulletin/Repair Instructions
this preliminary information communicates information about how to determine if a wheel and tires size change is available.
Unknown Or Other 2026-03-09 · PIP6104 · Service Bulletin/Repair Instructions
this preliminary information communicates the steps on how to save a gds2 session log and upload to a technical assistance case in cx connect.
Unknown Or Other 2026-03-09 · PIP4902V · Service Bulletin/Repair Instructions
this preliminary information advises a dealer on how to email gds2 session logs into technical assistance.
Showing the 6 most recent of 606 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-10-02 · Electrical System: Integrated Trailer Brake Control · 186,000 mi“the contact owns a 2017 gmc sierra denali 2500. the contact stated that while driving 25 mph downhill, the message “reduced engine power” 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. …”
2026-03-30 · Engine · 209,000 mi“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 n…”
2026-03-09 · Power Train:automatic Transmission · 103,000 mi“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 diagnos…”
2025-11-10 · Engine And Engine Cooling · 105,000 mi“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 f…”
2024-02-29 · Seat Belts · 32,000 mi · 💥 crash“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 an…”
2022-03-09 · 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 cont…”
2021-04-14 · 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…”
2021-03-07 · Unknown Or Other · 51,800 mi“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.…”
2021-03-04 · Suspension · 84,000 mi“front struts with electronic control went out while driving.…”
2020-11-27 · Wheels“my bridgestone tires have dry rotted all 4 tire manufacturing date is 2017 same as my truck new i have 28 thousand miles on the truck took it to the dealership they took pictures of all tires and told me they were very bad the tires show little wear on the tires all of the dry rot in on the sidewalls only the dealership said there has been problems…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.