Table 1 shows two common vehicle speed control related problems of the 2009 GMC Sierra.
| Problem Category | Number of Problems |
|---|---|
| Car Accelerates On Its Own problems | |
| Vehicle Speed Control problems |
The contact owns a 2009 GMC Sierra. The contact stated that there was a delay whenever he attempted to accelerate, once it engaged the vehicle accelerated unexpectedly. As a result he had to use both feet to engage the brakes in order to slow down the vehicle. The failure recurred causing the vehicle to crash into another vehicle. The vehicle was taken to a dealer but they offered no assistance. The vehicle was not repaired. The failure mileage was 2,000 and the current mileage was 22,000.
Tl-the contact owns a 2009 GMC Sierra. The contact stated that while driving at 60 mph, the vehicle engine power suddenly reduced to 40 mph and the engine completely shut off. The engine restarted with slow acceleration and unknown warning indicators illuminated. The vehicle was taken to an independent mechanic. The technician diagnosed that the throttle position sensor was faulty. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate mileage was 62,000. Pam.