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2015 GMC Yukon Xl 1500
Common Problems

Ranked from 382 federal NHTSA complaints. Every problem links to the complaint IDs behind it.

4
Safety
5
High severity
6
Medium
4 problems on this vehicle involve a crash, fire, or injury risk. If you are experiencing one, stop driving and have it inspected.

15 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

    rear tail lights fail intermittently

    302complaints
    Safety riskElectrical

    The rear tail lights on the vehicle fail to work consistently, sometimes working and other times not.

    $100–$900est. lighting assembly repair · 0.52 hrs labor
    Get local quotes
  2. 2

    Tail Light Assembly Failure

    107complaints
    High severityOther

    The tail light assembly intermittently or completely fails, leading to potential safety hazards.

    $100–$900est. lighting assembly repair · 0.52 hrs labor
    Get local quotes
  3. 3

    Trailer Brake System Malfunction

    29complaints
    High severityBrakes

    The trailer brake system alerts persist despite not towing, causing confusion and potential safety concerns.

    $150–$1,000est. brake system diagnosis + repair · 14 hrs labor
    Get local quotes
  4. 4

    Service Brake Performance Issues

    22complaints
    High severityBrakes

    Service brakes experience reduced stopping power and pulsing in the brake pedal, indicating an underlying mechanical issue.

    $150–$1,000est. brake system diagnosis + repair · 14 hrs labor
    Get local quotes
  5. 5

    Electrical System Errors

    10complaints
    Medium severityElectrical

    Frequent electrical system errors such as trailer brake system warnings and engine stalling.

  6. 6

    Transmission Problems

    4complaints
    Medium severityTransmission

    Transmission issues, including poor shifting and abrupt failures, require frequent repairs and replacements.

    $200–$2,500est. drivetrain diagnosis + repair · 18 hrs labor
    Get local quotes
  7. 7

    Brake Light Failure Due to Poorly Designed Circuit Board

    2complaints
    High severityElectrical

    Driver-side brake lights fail due to a poorly designed circuit board that fractures under vibration, leading to brake light failure.

    $150–$1,000est. brake system diagnosis + repair · 14 hrs labor
    Get local quotes
  8. 8

    Brake System Malfunction Causing Stopping Issues

    2complaints
    Medium severityBrakes

    The brake system malfunctions, requiring excessive force to stop the vehicle and causing it to hesitate or jump before stopping.

    $150–$1,000est. brake system diagnosis + repair · 14 hrs labor
    Get local quotes
  9. 9

    Engine Failure Leading to Complete Shutdown

    2complaints
    Safety riskEngine

    The engine fails completely, causing the vehicle to stop unexpectedly, posing a significant safety risk.

    $4,000–$8,000est. engine replacement · 1220 hrs labor
    Get local quotes
  10. 10

    Engine Misfire and Power Loss During Acceleration

    2complaints
    High severityEngine

    The engine misfires and loses power during acceleration, posing a safety risk by reducing the vehicle's ability to maintain speed.

    $200–$900est. ignition service (coils/plugs) · 14 hrs labor
    Get local quotes
  11. 11

    Engine Stall at Idle Due to Stop-Start System Failure

    2complaints
    Medium severityEngine

    The engine stalls at idle when the stop-start system malfunctions, causing the vehicle to stop unexpectedly.

    $150–$900est. stop-start system diagnosis · 14 hrs labor
    Get local quotes
  12. 12

    Fuel Line Issues Causing Fire Risk

    2complaints
    Safety riskFuel system

    Fuel lines develop holes, causing fuel leakage and a potential fire hazard while driving.

    $300–$1,200est. fuel line/tank repair · 26 hrs labor
    Get local quotes
  13. 13

    Rocker Arm Spring Breakage Causing Vehicle Disablement

    2complaints
    Safety riskEngine

    Rocker arm springs break under normal driving conditions, disabling the vehicle in heavy traffic, posing a safety risk.

  14. 14

    Transmission Shifting Hard in Low Gears

    2complaints
    Medium severityTransmission

    The transmission shifts hard in low gears, leading to a jerky and uncomfortable ride.

    $200–$2,500est. drivetrain diagnosis + repair · 18 hrs labor
    Get local quotes
  15. 15

    Transmission Slipping and Constant Shifting

    2complaints
    Medium severityTransmission

    The transmission slips and shifts constantly, leading to a loss of control and potential accidents.

    $2,500–$5,500est. transmission rebuild/replacement · 816 hrs labor
    Get local quotes

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.