DTC P1559 Audi
Idle Speed Control Throttle Position Adaptation Malfunction
Idle Speed Control Throttle Position Adaptation Malfunction
Description
Engine started, battery voltage at least 11.5v, all electrical components off, ground connections between engine and chassis well connected, coolant temperature at least 80-degrees Celicius and the throttle valve must not be damaged or dirty; and the ECM detected the signal from the Throttle Position Valve Module to the ECM detected was erratic, non existent or unreliable (too high or too low).
Cause and Solution
Throttle valve control module has failed
Throttle valve control module’s circuit has shorted or is open
Video Guide
Diagnostic Info
- DTC Code: P1559
- Brand: Audi