P0638 Ford

Ford P0638 OBD-II Trouble Code Definition:

P0638 Throttle Actuator Control Range/Performance

P0638 Ford OBD-II Trouble CodeDescription:

OBD Trouble Code P0638
Throttle Actuator Control Range/Performance
What does the code mean? OBD-ii Code P0638 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 Sumptoms of OBD code P0638
– Engine Light ON (or Service Engine Soon Warning Light)
Causes Causes of the OBD-II code P0638
– Drive-by-wire control system malfunction – Throttle actuator malfunction – Throttle valve malfunction – PCM malfunction