Vehicle Speed Control Related Problems of the 2012 GMC Sierra

Table 1 shows two common vehicle speed control related problems of the 2012 GMC Sierra.

Table 1. Vehicle Speed Control related problems of GMC Sierra

Problem Category Number of Problems
Car Throttle Stuck problems
1
Vehicle Speed Control problems
1

Car Throttle Stuck problem #1

Tl- the contact owns a 2012 GMC Sierra. The contact stated that the throttle on the vehicle got stuck. The contact was going up an hill and getting ready to slow down when the pedeal stuck and the vehicle accelrated. The contact had to hit the break again in order to get the vehicle to stop. The contact stated the engine made a loud thump when it disengaged. The contact took the vehicle to the dealer, but they were unable to duplicate the problem. The failure mileage and current mileages were 5,545. Rl.

Vehicle Speed Control problem #2

The contact owns a 2012 GMC Sierra k-1500. The contact stated that while driving 75 mph, the vehicle began to decelerate as the warning lights in the instrument panel illuminated. The vehicle would not accelerate beyond 35 mph. The failure was resolved momentarily after the vehicle was restarted but soon recurred. The vehicle was taken to the dealer, but they where unable to duplicate the failure. The failure was not reported to the manufacturer. The failure mileage was 7,000. The current mileage was 20,000. Kmj.


Vehicle Speed Control related problems in other GMC Sierra model year vehicles:



Fuel Economy of Sierra Vehicles
Sierra Service Bulletins
Sierra Safety Recalls
Sierra Defect Investigations