What does code p2138 mean on the 2016 chevy malibu?

When the 2016 Chevy Malibu throws the P2138 OBD-II trouble code, it means the throttle pedal position has experienced a voltage related problem. To fix this issue, You can have the throttle body motor or the throttle body assembly checked out by a professional. If a severe issue is detected in those parts, it might be necessary to have the whole part replaced. However, in many cases, this can be resolved by tracking down the problem to the connecting cables. The sensors are also sometimes responsible for the trouble codes coming up, in which case replacing them would be the way to go. Once these parts are either fixed or replaced, the code should no longer come up as an issue in the car.