Vehicle Speed Control Related Problems of the 2019 GMC Terrain

Table 1 shows three common vehicle speed control related problems of the 2019 GMC Terrain. The number one most common problem is related to the vehicle speed control (seven problems). The second most common problem is related to the cruise control (one problem).

Table 1. Vehicle Speed Control related problems of GMC Terrain


Recently reported Vehicle Speed Control problems of the 2019 GMC Terrain

The Vehicle Speed Control problem

Vehicle struggles to shift from low gears; seems to completely miss 3rd gear. Codes from maintenance indicate tcc slip   Read details...

The Cruise Control problem

On July 4th, 2019 at 11:15 am, this vehicle (lane assist and adaptive cruise control operating) applied its brakes somewhat aggressively without reason. This was on a highway. I have blackvue cameras that recorded the event.   Read details...

The Accelerator Pedal problem

The contact owns a 2019 GMC Terrain. The contact stated while driving approximately 40 mph, the accelerator was depressed to overtake a vehicle; however, the vehicle hesitated, and rpm revved to 4,000 rpm. The vehicle then shifted into gear with a jerk, causing the vehicle to shake abnormally.   Read details...


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



Terrain Service Bulletins
Terrain Safety Recalls
Terrain Defect Investigations