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P0505 Diagnostic Trouble Code Discussion for December 2004

Idle Air Control Motor Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0505
Help Request Posted
2000 Dodge Ram 3500 Van 5.9L MIL Lamp on VIN: B5WB35Z0YK
P0505: Idle Air Control Motor Circuit Malfunction. ... light is on. The only code that is has is P0505, which is a IAC circuit problem. Has no idle problems. I can use the DRB III to control the IAC valve. Ckd TSB's and IATN. Performed the flow chart for P0505, cking for shorts, ckd for opens and it all showed...
December 02, 2004
1995 Mercury Grand Marquis LS 4.6L Poor Idle Quality VIN: 2MELM75W8S
P0505: IAC problem. I have this Merc. that likes to surge the idle speed up and down about 100-150 RPM's at stop sign's sometimes.Makes no difference if engine cold or hot.Sometimes it will idle just fine.Looked into throttle plate not much sludge buildup. I did replace IAC motor...
December 07, 2004
2004 Toyota Corolla CE 1.8L MIL Lamp on VIN: JTDBR32E14
P0505: Idle Control System Malfunction. ... works at a Toyota dealer. He has helped me out lots of times. He is working on a 2004 Toyota corolla that will idle up to 1100 RPM in drive and set a P0505 code for a open or shorted iac. It only happens with the lady owner driving. The throttle body has b...
December 23, 2004
1996 Subaru Legacy Outback 2.5L Stall, MIL Lamp on VIN: 4S3BG6853T
P0505: Idle Speed Control System Malfunction. ... first came in it had only the Idle Speed code. Which we cleared and checked out the controllor and from something I found in the archives, we replaced the pcv valve, looked pretty bad. Customer tried car and it died on her a couple of times and set the MIL...
December 30, 2004