OBD-II Trouble Code Description for P0638 Dodge

Throttle Actuator Control Range/Performance

What does this mean?

OBD2 Code P0638 Dodge definition:
The Powertrain Control Module (PCM) compares the actual Throttle Possition (TP) with the target TP when the engine is running. If the difference is more than the specification, the PCM determines that there is a throttle actuator control circuit range/performance problem.

Symptoms

Possible sumptoms of OBD code P0638 Dodge
– Engine Light ON (or Service Engine Soon Warning Light)

Causes

Possible causes of OBD code P0638 Dodge
– Drive-by-wire control system malfunction – Throttle actuator malfunction – Throttle valve malfunction – PCM malfunction

Possible Solutions