P0505 Explained The Ultimate Resource for Throttle Position Sensor Resolution

P0505. Idle Control System Malfunction. CIRCUIT DESCRIPTION. The rotary solenoid type IAC valve is located on the throttle body and intake air bypassing the ... You made multiple changes to the motor that all change the cylnder fill rate. That would require a new map. The code might be from an IAC issue ... VSC/OFF, engine light, three lights come on together. kinda scare to me. after i got home, i used the code reader, it's P0505,, idle air control ... The check engine light is getting triggered when the PCM is in a closed loop operation. It also means that it is starting to monitor the OS2 sensor input. I've replaced the IAC valve, thoroughly cleaned the throttle body and can't find any vacuum leaks. Idles very high and can't figure this out. A CEL popped up with code P0505 "Idle Air Control Motor Circuit," and it started idling much higher than usual (probably 1500 RPM). Detailed information on troubleshooting and repairing a P0505 DTC code which refers to a malfunction of the IAC (Idle Air Control) system. A P0505 trouble code will generally trigger the check engine light on. Depending on your vehicle's make, the check engine light may be referred to as the CEL. The P0505 code is a diagnostic trouble code related to the idle control system of a vehicle. Specifically, it indicates a malfunction in the Idle Air Control ( ... P0505. IDLE CONTROL SYSTEM MALFUNCTION. CIRCUIT DESCRIPTION. The rotary solenoid type ISC valve is located under the throttle body and intake air bypassing the ...