P1504 Fault Code
You can find information about the P1504 fault code on this page.
BE WARNED! This particular code can mean a different thing depending on what make the car is, check below.
Manufacturer-Specific Meanings
Audi P1504
"Intake Air Sys.Bypass"
BMW P1504
"Idle Speed Control Valve Closing Solenoid Control Open Circuit"
Ford P1504
"Intake Air Control circuit malfunction"
Hyundai P1504
"Cruise control switch, CANCEL – circuit malfunction"
Chrysler P1504
"Idle Air Control Solenoid Circuit Intermittent"
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