Table 1 shows six common equipment related problems of the 2012 GMC Acadia. The number one most common problem is related to the equipment (39 problems). The second most common problem is related to the air conditioner (three problems).
Vehicle producing code p2138 then goes into limp mode stating to service stability, traction control off and engine reduced power. Replaced throttle body and acceleration pedal position sensor and error was still present. Read details...
The contact owns a 2012 GMC Acadia. While driving 40 mph, the air conditioner light failed to illuminate initially, but later illuminated intermittently. The air conditioner failed to turn on afterwards. Read details...
Either I got a lemon, which is definitely a possibility, or there are significant issues w/ GMC as a manufacturer which is evident. The american car industry just won't do business differently but then again, they don't have to- they get bailed out by the government repeatedly. Read details...