GMC Envoy owners have reported 123 vehicle speed control related problems since 1996. Table 1 shows the 7 most common vehicle speed control problems. The number one most common problem is related to the vehicle's vehicle speed control (95 problems). The second most common problem is related to the vehicle's cruise control (15 problems). For details of each of the problem category, use the links in the table.
The contact owns a 2004 GMC Envoy. The contact stated while driving at various speeds, the vehicle would independently accelerate without warning. The vehicle was taken to a local dealer where it was not diagnosed but continued to experience the failure. Read details...
My Envoy's cruise control will not engage at any speed above 60 mph. When the cruise control button is pressed the cruise control light will come on and go off again, without engaging the cruise control setting. However, at anything 55 and under the cruise control will engage fine. Read details...
: the contact stated that the vehicle does not accelerate smoothly and makes a loud noise during the first 3 minutes of driving. The accelerator pedal must be depressed all the way to the floor for the vehicle to move, and then normal acceleration begins after driving 3 minutes. Read details...
Vehicle was stationary and in drive when it had a uncontrolled acceleration resulting in a collision with a garage where it was being parked. Extensive damage resulted to the home and vehicle. No injuries. Read details...
The speedometer fails to represent true vehicle speed. Using a gps we can monitor the inaccuracy in the gauge reading. The speedometer reflects a speed of 25 when actual speed is 45. This becomes worse as the vehicle is driven as the speedometer completely fails to register speed. Read details...