P1504 AUDI – Intake Air System Bypass Leak Detected

P1504 AUDI Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1504 AUDI Possible Causes

Faulty Throttle Air Bypass,Throttle Air Bypass harness is open or shorted,Throttle Air Bypass poor electrical connection

P1504 AUDI Description

Intake Air System Bypass Leak Detected is the generic description for the P1504 Audi code, but the manufacturer may have a different description. Currently we have no further information abouth the P1504 Audi OBDII code.