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Vehicle speed controlPart report

2014 GMC Sierra 3500 Vehicle speed control Problems

Complaints
2about this part
Share
29%of 7 total for the year
Median mileage
14,638miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the vehicle speed control of the 2014 GMC Sierra 3500, 29% of the 7 complaints for this model year. Where a mileage was given, the median is 14,638 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 contact owns a 2014 Gmc SIERRA 3500. While driving approximately 60 MPH, the vehicle unintentionally accelerated without warning. In addition, while driving 25 MPH, the vehicle accelerated unintentionally when the brake pedal was depressed. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was 14,638.”

NHTSA complaint #10721668, filed 2015-05, 14,638 miles

“Transmission control module failed. Reduced power to vehicle to first gear. Blinkers, speedometer door locks, and other Safety and driving devices did not work. Check engine turned on. Device is held at some gmc dealerships nationally however they will not sell the part to have the truck repaired.”

NHTSA complaint #11492176, filed 2022-11

Related service bulletins

Vehicle speed control: other model years

YearComplaintsShare of year
202424%
202314%
201918%
201526%
2014229%
2009120%
200215%
199818%

Other parts of the 2014 GMC Sierra 3500

Fuel system
2 complaints
Brakes
1 complaints
Electrical system
1 complaints
Engine
1 complaints
Exterior lighting
1 complaints
Steering
1 complaints
Transmission and drivetrain
1 complaints

← All problems reported for the 2014 GMC Sierra 3500

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