P0639 Kia Throttle Actuator Control Range/Performance
Possible causes
– Drive-by-wire control system malfunction
– Throttle actuator malfunction
– Throttle valve malfunction
– PCM malfunction
– Throttle actuator malfunction
– Throttle valve malfunction
– PCM malfunction
Tech description
Dirty or clogged throttle body can triggered the P0639 Kia code. Before replacing any parts try cleaning the throttle body and reset the engine light.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0639 Kia Description
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.
Kia Vehicle:Kia Amanti,Kia Borrego,Kia Forte,Kia Optima,Kia Rio,Kia Rondo,Kia Sedona,Kia Sorento,Kia Spectra,Kia Sportage,Kia Sorento,Kia KM420,Kia Cadenza,Kia Picanto,Kia Borrego,Kia Forte