Skip to content
Electrical systemPart report

2014 GMC Denali Electrical system Problems

Complaints
1about this part
Share
20%of 5 total for the year
Median mileage
67,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the electrical system of the 2014 GMC Denali, 20% of the 5 complaints for this model year. Where a mileage was given, the median is 67,000 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.

“Blind spot sensors in the morrors are always lighting up with nothing to set them off.GM says there is no fix and they know of this problem with the acadia”

NHTSA complaint #11166355, filed 2019-01, 67,000 miles

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2015422%
2014120%
2013120%
2012117%
2003619%
200129%
200015%
1999429%

Other parts of the 2014 GMC Denali

Brakes
1 complaints
Electronic stability control
1 complaints
Engine
1 complaints
Fuel system
1 complaints

← All problems reported for the 2014 GMC Denali

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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