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P0505 Diagnostic Trouble Code Discussion for March 2013

Idle Air Control Motor Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0505
Help Request Posted
2001 Infiniti I30 3.0L Poor Idle Quality VIN: JNKCA31A31
P0505: Idle Air Control, Auxiliary Air Control Valve. This Infinity had a shorted IAC motor and burned the driver and circuit board in the ECU so bad it can't be repaired. The customer doesn't want to spend 1K+ for a new ECU. The question is, must we use one wth the same mfg. part #? We have an A56-P70-Z62, soft ...
March 25, 2013
2002 BMW 530i 3.0L Poor Idle Quality, MIL Lamp on VIN: WBADT63432
P0505: Idle rpm plausibility leakage. Hello fellow iatn members, i am at a dead end and need some help. This vehicle idles at about 950-1000 rpm at idle whether in [...] or drive. I know there is no vacuum leaks for i have checked with my smoke tester. I even had a guy come out and do a reflash to...
March 28, 2013
2001 Infiniti I30 3.0L Poor Idle Quality VIN: JNKCA31A31
P0505: Idle Air Control, Auxiliary Air Control Valve. This Infinity had a shorted IAC motor and burned the driver and circuit board in the ECU so bad it can't be repaired. The customer doesn't want to spend 1K+ for a new ECU. The question is, must we use one wth the same mfg. part #? We have an A56-P70-Z62, soft ...
March 25, 2013
2002 BMW 530i 3.0L Poor Idle Quality, MIL Lamp on VIN: WBADT63432
P0505: Idle rpm plausibility leakage. Hello fellow iatn members, i am at a dead end and need some help. This vehicle idles at about 950-1000 rpm at idle whether in [...] or drive. I know there is no vacuum leaks for i have checked with my smoke tester. I even had a guy come out and do a reflash to...
March 28, 2013