Understanding P0505 Decoding the Throttle Position Sensor Fault Code

Detailed information on troubleshooting and repairing a P0505 DTC code which refers to a malfunction of the IAC (Idle Air Control) system. Also ... Ignition/Tuner/ECM/Fuel Injection - DTC code P0505 (loss of idle speed control) - Ok so my bike is a 2010 forty-eight. This code comes on for two conditions. When the idle speed isn't the specified amount or a learned value of the idle speed control remains the maximum or ... P0505. Idle Control System Malfunction. CIRCUIT DESCRIPTION. The rotary solenoid type IAC valve is located on the throttle body and intake air bypassing the ... LS - 1st and 2nd Gen (1990-2000) - P0505 Idle control malfunction - Got a CEL this weekend on my '98 LS. I pulled a P0505 code out of it ... This code which states IAC fault, there is no idle air control valve, no idle speed controller, or EGR system. Scion xA/xB 1st-Gen Drivetrain & Power - P0505 woes - Hello all, I have a 2005 xB with 190k miles on it and its been running great besides ... 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. P0505 = Adaptive Air Idle Trim (Upper/Lower) Volvo DTC Code EFI-233 Possible source(s) Upper limit:[*]Clogged air cleaner or air intake.[*]Contact resistance ... P0505 can be caused by not only a bad IACV but also a vacuum leak, misadjusted idle speed, bad ECT sensor/circuit, or bad TPS sensor/circuit.