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Electrical systemPart report

2008 GMC Yukon Denali XL Electrical system Problems

Complaints
4about this part
Share
10%of 42 total for the year
Median mileage
60,500miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the electrical system of the 2008 GMC Yukon Denali XL, 10% of the 42 complaints for this model year. Where a mileage was given, the median is 60,500 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“The 2008 Gmc yukon and 2008 GM suburbans have a widespread well-documented, repeated failure of the door lock actuators as a result of a defect which GM will not address via recall. I have had two separate incidents of failed door locks in my 2008 Gmc yukon. When the actuator fails, my children are able to open the car door while the car is in motion. …”

NHTSA complaint #10442354, filed 2012-01, 41,000 miles

“Driver side power door locks work intermittently. Horn sounds indicating door is locked however it doesn't lock. Also remote start does work leaving vehicle a target for theft. Also three of four of the exterior door handles broke and had to be replaced.”

NHTSA complaint #10521045, filed 2013-06, 80,000 miles

“Driving at 70 MPH on highway. Vehicle gauges begin to act erratically, vehicle heaves and lurches, then 100% power failure. Nothing worked, even hazzard lights. Airbag light flashing on and off. Was able to put vehicle in neutral and move to the side of the road where the vehicle stopped. There was no power at all, had to manually open door locks. After 10-15 minutes, the power came back on and I was able to restart the vehicle and drive home. Happened again on 3/23/14. …”

NHTSA complaint #10576129, filed 2014-04, 115,000 miles

“The contact owns a 2008 Gmc Yukon Denali Xl. When starting the vehicle, the check engine warning light illuminated on the dashboard. The vehicle was taken to an authorized dealer where the computer was reset. Approximately one week later, the check engine light re-illuminated and the dealer informed the contact to continue driving the vehicle and the light would shut off. Approximately 30 miles later, the check engine light shut off. Three months later when starting the vehicle, the traction control, ABS, brake and check engine warning lights illuminated on the dashboard. …”

NHTSA complaint #10336584, filed 2010-06, 14,000 miles

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2016414%
20151625%
201318%
201146%
2009314%
2008410%
2007813%
20051029%
20041939%
2003722%

Other parts of the 2008 GMC Yukon Denali XL

Air bags
17 complaints
Other or unknown
8 complaints
Body and structure
6 complaints
Engine
4 complaints
Electronic stability control
3 complaints
Latches, locks and linkages
3 complaints
Fuel system
2 complaints
Transmission and drivetrain
2 complaints
Wheels
2 complaints
Brakes
1 complaints
Engine cooling
1 complaints
Exterior lighting
1 complaints

← All problems reported for the 2008 GMC Yukon Denali XL

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology