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NHTSA-Verified · Common Problems

2024 GMC Sierra 2500
Common Problems

Ranked from 41 federal NHTSA complaints. Every problem links to the complaint IDs behind it.

3
High severity
2
Medium
1
Low

6 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

    Transmission issues leading to loss of power and erratic behavior

    12complaints
    High severityTransmission

    Transmission issues cause loss of power, erratic shifting, and high RPMs, leading to dangerous situations.

    $200–$2,500est. drivetrain diagnosis + repair · 1–8 hrs labor
    Get local quotes
  2. 2

    Electrical system failures causing unexpected behavior

    10complaints
    Medium severityElectrical

    Various electrical system failures cause unexpected behavior such as automatic tailgate opening and malfunctioning lights.

  3. 3

    Tailgate opens unexpectedly while in park

    9complaints
    Medium severityOther

    The tailgate opens on its own while the vehicle is in park, potentially leading to cargo falling out.

  4. 4

    Trailer brake control module disconnects trailer brakes

    7complaints
    High severityBrakes

    The integrated trailer brake controller intermittently disconnects the trailer brakes, posing a safety risk during towing.

    $150–$1,000est. brake system diagnosis + repair · 1–4 hrs labor
    Get local quotes
  5. 5

    Engine Stall at Idle Due to Stop-Start System Failure

    4complaints
    High severityEngine

    The engine stalls at idle, possibly due to a malfunctioning stop-start system.

    $150–$900est. stop-start system diagnosis · 1–4 hrs labor
    Get local quotes
  6. 6

    Loss of Audio Feedback

    2complaints
    Low severityElectrical

    Audio feedback is lost, including warning chimes and tones, reducing safety alerts.

Other years & sources

2015 GMC Sierra 2500All 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.