Understanding P0505 A Comprehensive Guide to Throttle Position Sensor Diagnostics

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 ... The IACV valve is operated by a step motor. This motor has winding phases and is actuated by the output signals of ECM. Ignition/Tuner/ECM/Fuel Injection - DTC code P0505 (loss of idle speed control) - Ok so my bike is a 2010 forty-eight. Customer: I have a code p0505 and I changed the idle control valve twice. Mechanic's Assistant: Have you seen this error before with the same vehicle? 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. In this thread, the poster mentioned that he discovered the electrical connectors to the IACV and the power steering pressure sensor were ... 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 ... 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 ... How to fix a P0505 engine code: Idle Control System. A P0505 code is set when the computer detects the engine RPMs at Idle are erratic. The error seems to happen before the Jeep ever starts, or the code does not get logged until the jeep is turned off.