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NHTSA vehicle safety data

2015 GMC Sierra Denali Recalls & Complaints

We couldn't confirm the NHTSA recall list for the 2015 GMC Sierra Denali right now, so this page doesn't state a recall count — check the VIN at nhtsa.gov/recalls for current campaigns. 22 owner complaints are on file.

NHTSA recall and complaint data for the 2015 GMC Sierra Denali.

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2015 GMC Sierra Denali owner complaints

Owners have filed 22 complaints with NHTSA about the 2015 GMC Sierra Denali, describing incidents dated July 1, 2016 to December 1, 2025.

Most-cited components

  • Service Brakes 7 complaints
  • Power Train 5 complaints
  • Electrical System 3 complaints
  • Engine 2 complaints
  • Unknown or Other 2 complaints
  • Air Bags 1 complaint

Of the 22 complaints on file, 1 reports a crash (owner-reported, not verified by NHTSA).

Newest complaints

  • ODI #11702330 · Filed

    The contact owns a 2015 GMC Sierra 2500 Denali. The contact stated that while driving at 65 MPH, the vehicle lost motive power with the “Engine Power Failure” warning light illuminated. The vehicle was towed to the residence. The vehicle was later towed to an independent mechanic, where it was…

  • ODI #11662568 · Filed

    See attached document for complaint.

  • ODI #11576241 · Filed

    The contact owns a 2015 GMC Sierra 1500 Denali. The contact stated that while shifting the vehicle from park(P) to drive(D), the vehicle hesitated and then jerked into gear. The contact stated that the entire vehicle was shaking when it jerked into gear. The contact stated that the failure was also…

Read all 22 complaints

NHTSA defect investigations

NHTSA's investigations file lists the 2015 GMC Sierra Denali in 1 investigation. A listed model year means only that an investigation names it; it says nothing about any particular vehicle. An open investigation is not a finding that a safety defect exists, and NHTSA can close one without a recall.

Open and recently closed NHTSA defect investigations
We couldn't confirm the NHTSA recall list for the 2015 GMC Sierra Denali right now — this is not a confirmed "no recalls". Check the VIN at NHTSA.gov/recalls for the official status.

Other GMC Sierra Denali model years

Check your 2015 GMC Sierra Denali VIN

Not every recall applies to every VIN in a given year. Enter the 17-character VIN from your GMC Sierra Denali at nhtsa.gov/recalls to see whether your specific vehicle has an unrepaired recall.

Check a GMC VIN