2019 Gmc Sierra Denali problems, complaints & recalls
Most-reported problem areas: Steering (6) · Power Train (3) · Service Brakes (2)
🧭 Reliability snapshot
Compared against other Gmc Sierra Denali model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
24 NHTSA complaints that reported an odometer reading.
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (647)
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 647 bulletins. Search all of them free at nhtsa.gov.
What owners report
2024-12-26 · Engine And Engine Cooling · 77,000 mi“the contact owns a 2019 gmc sierra denali. the contact stated that while driving at 30 mph, a "turn off engine, no oil pressure" message appeared and was accompanied by a warning chime alert. the vehicle was steered to the side of the road and turned off. the contact then observed condensation leaking under the front of the vehicle and condensation…”
2023-05-03 · Back Over Prevention: Sensing System: Camera · 9,000 mi“the contact's husband owns a 2019 gmc 1500 denali. the contact stated that the rear camera failed to operate as intended while engaged and attempting to park the vehicle. the contact added that while shifted to reverse, the camera screen remained completely black. the vehicle was taken to a dealer where it was diagnosed and determined that the rear…”
2022-10-17 · Tires“the contact owns a 2019 gmc sierra ld equipped with 22” gmc tires but the spare tires are 17”. the contact stated that general motors (gm) was recalling certain 2019-2021 gmc sierra 1500 and silverado 1500 vehicles equipped with certain accessory road tires and a 17" spare tire. the 17" spare tire provided with the vehicle was not compatible for us…”
2022-07-20 · Power Train · 91,000 mi“the contact owns a 2019 gmc sierra denali. the contact stated while parking the vehicle, the vehicle inadvertently stalled without warning. the contact attempted several times to restart the vehicle however, the vehicle would not restart. the contact attempted to jump start the vehicle and the failed to start. the vehicle was towed to the dealer wh…”
2020-09-18 · Visibility:windshield · 1,000 mi“tl* the contact owns a 2019 gmc sierra denali. the contact stated that upon purchase of the vehicle, water began to leak into the vehicle through the windshield. the contact took the vehicle to fahrney buick gmc (3105 highland ave, selma, ca 93662) where they had to order a certain part to repair vehicle which was still pending. due to the failure,…”
2020-04-27 · Exterior Lighting · 12,000 mi“hid headlights flicker/shake when driving over any size bump, or when you close the vehicle door.…”
2020-04-21 · Unknown Or Other · 9,500 mi“while truck was parked (engine was not running at all), i used the key fab remote to unlock the truck and then open the tailgate. at this time, the tailgate slammed open (very forcefully and quickly) and hit my son in the chest. this has also happened while the truck was running and in park. at that time, i (the driver) pushed the button on the …”
2020-02-25 · Engine · 1,000 mi“i received a recall notice may 2019 from maryann l. combs, vice president global vehicle safety. the local dealership said parts were not available at that time. a few months later, still not available and today, february 25,2020 they are still not available and it seems they may never be available to vehicles in the "southern" states. my truck t…”
2020-02-19 · Unknown Or Other · 10,366 mi“the first issue is a bluetooth issue. the phone volume goes silent when i get in my vehicle. if i connect to car play, it works. i have missed important calls due to this issue. this started in july of 2019 and its not fixed yet. gm says it apple. apple says its gm i do not care just fix it. second see below images. you know the issue. this …”
2020-02-14 · Unknown Or Other · 26,000 mi“engine light keeps coming on take it to the dealer i guess they reset it and now this is the 3rd time it's now back on, back up camera goes out from time to time,…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.