2015 GMC Yukon Denali
Common Problems
Ranked from 313 federal NHTSA complaints. Every problem links to the complaint IDs behind it.
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.
- 1
Tail Light Assembly Failure
275complaintsHigh severityElectricalThe tail light assembly intermittently fails or completely stops working, requiring replacement.
$100–$900est. lighting assembly repair · 0.5–2 hrs laborGet local quotes - 2
Braking issues at low speeds
38complaintsHigh severityBrakesBrakes become hard to push and lose power at low speeds, requiring replacement of the brake vacuum pump.
- 3
Electrical system actuator failure
2complaintsLow severityElectricalDoor lock actuators malfunction, preventing the door from locking or unlocking with the key fob.
- 4
Electrical system failures leading to intermittent vehicle shutdowns
2complaintsHigh severityElectricalElectrical system failures cause the vehicle to shut down unexpectedly, especially during reversing, posing a significant safety risk.
$150–$1,200est. stalling / shutdown diagnosis + repair · 1–5 hrs laborGet local quotes - 5
Seating heating system malfunctions
2complaintsLow severityOtherHeated seats do not work properly, with intermittent heating and sensor faults, causing discomfort but no immediate safety concerns.
- 6
Steering Wheel Stiffness and Difficulty Maneuvering
2complaintsMedium severitySteeringThe steering wheel becomes stiff and difficult to maneuver, especially during sharp turns or at higher speeds.
- 7
Sunroof defects leading to potential injury
2complaintsSafety riskOtherThe sunroof has exploded, causing glass to scatter and potentially injuring occupants, indicating a serious structural defect.
- 8
Transmission issues leading to erratic shifting and jerking
2complaintsHigh severityTransmissionThe transmission experiences clunking, jerking, and lurching during acceleration and deceleration, affecting vehicle stability and safety.
$200–$2,500est. drivetrain diagnosis + repair · 1–8 hrs laborGet local quotes - 9
Water leaks in roof
2complaintsMedium severityOtherWater leaks have occurred in the roof, particularly during heavy rainstorms.
Other years & sources
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.