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NHTSA-Verified · Common Problems

2015 GMC Acadia Denali
Common Problems

Ranked from 88 federal NHTSA complaints. Every problem links to the complaint IDs behind it.

2
Safety
2
High severity
4
Medium
1
Low
2 problems on this vehicle involve a crash, fire, or injury risk. If you are experiencing one, stop driving and have it inspected.

9 Common Problems

Ordered by how often owners reported each one to NHTSA. The bar shows how common a problem is relative to the most-reported on this vehicle. Expand any problem to see the federal complaint IDs.

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  1. 1

    Air Bag System Failure

    40complaints
    Safety riskOther

    The air bag system has failed to deploy properly or the warning light illuminates without an actual collision.

  2. 2

    Airbag System Failure

    35complaints
    Safety riskElectrical

    The airbag system may fail to deploy or malfunction, posing a risk of injury or death.

  3. 3

    Power Steering Pump Failure

    8complaints
    High severitySteering

    The power steering pump frequently fails, causing difficulty in turning the steering wheel and potentially leading to loss of steering control.

    $200–$1,500est. power-steering / eps repair · 1–6 hrs labor
    Get local quotes
  4. 4

    Electrical Wiring Short Circuits

    5complaints
    High severityElectrical

    Water ingress leading to short circuits and electrical system failures, potentially causing fires.

  5. 5

    Exterior Lighting Problems

    5complaints
    Low severityOther

    Headlights failing intermittently, causing low visibility and safety concerns.

    $100–$900est. lighting assembly repair · 0.5–2 hrs labor
    Get local quotes
  6. 6

    Tire issues

    5complaints
    Medium severityOther

    Tires develop cracks, tread separation, or air leakage, leading to potential unsafe driving conditions.

  7. 7

    Headlight malfunction

    4complaints
    Medium severityOther

    Headlights fail to work properly, reducing visibility during nighttime driving.

    $100–$900est. lighting assembly repair · 0.5–2 hrs labor
    Get local quotes
  8. 8

    Lane Departure System Failures

    4complaints
    Medium severityOther

    Lane departure system malfunctions causing distraction and potential accidents.

  9. 9

    Engine stalling and unexpected acceleration

    2complaints
    Medium severityEngine

    The engine unexpectedly stalls or accelerates without warning, potentially causing loss of control.

    $150–$1,200est. stalling / shutdown diagnosis + repair · 1–5 hrs labor
    Get local quotes

Other years & sources

2016 GMC Acadia Denali2017 GMC Acadia DenaliAll NHTSA complaints for this vehicle →

Data source: U.S. National Highway Traffic Safety Administration (NHTSA) owner complaints and recalls. Problems are clustered and ranked from the complaint record; occurrence counts reflect corroborating complaints, not total incidence. Vehicle image is illustrative. Repair-cost figures are typical U.S. independent-shop ranges (parts + labor) for the class of repair shown — actual quotes vary by region, engine, and diagnosis; always confirm with a local shop.