Technical Definition:
Throttle Actuator Control Range / Performance (Bank 1)
Trouble Code: P0638
Address: 0x0638
System: Powertrain
Subsystem: Computer and Auxiliary Output Circuits
Address: 0x0638
System: Powertrain
Subsystem: Computer and Auxiliary Output Circuits
Technical Description:
Possible Causes:
Possible Symptoms:
Throttle Actuator Control Range/Performance Bank 1
Possible Solutions:
OBD-II Trouble Code Type:
Diagnostic Step:
Tech Notes:
– Drive-by-wire control system malfunction
– Throttle actuator malfunction
– Throttle valve malfunction
– PCM malfunction