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P0505 Diagnostic Trouble Code Discussion for May 2006

Idle Air Control Motor Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0505
Help Request Posted
1998 Jeep Wrangler SE 2.5L MIL Lamp on VIN: 1J4FY29P5W
P0505: Idle Air Control Motor Circuit Malfunction. MIL comes on immediately after start up hot or cold after clearing. No driveability problems. Voltage drop test grounds and sensor grounds at PCM. Pass. Clean out TBI. Smoke test for vacuum leaks. Pass. Check wiring between IAC and PCM. Continuity tested, chec...
May 08, 2006
2001 Nissan Maxima GLE 3.0L Surge, MIL Lamp on, high idle VIN: JN1CA31A01
P0505: Idle Air Control, Auxiliary Air Control Valve Circuit Malfunction. car came in with very high idle speed . with iac removed idle speed could be controled by blocking off passage port.valve was replaced , now idle surges from 1600 to 2100rpm. idle relearn procedure was attempted with no change. suspect faulty pcm ?
May 08, 2006
1999 Mitsubishi Mirage DE 1.5L Poor Idle Quality VIN: JA3AY26A7X
P0505: Idle Speed Control System Malfunction. ... again...lol...customer came in for very low idle/almost stalling...so i adjust the idle up to about 750rpm..customer leaves happy..NO CHARGE..one of those tickets to heaven...so i thought...about 1 week later...calls me up...check engine lite on & now ...
May 10, 2006
2003 Jeep Grand Cherokee Laredo 4.0L No Start, Cuts out, Stall, MIL Lamp on VIN: 1J4GW48S33
P0505: Idle Air Control Motor Circuit Malfunction. this time vehicle was towed in as a no start, but started right up check engine light poped on with code po505 again, this vehicle seems like it has two problems bad crank sensor or bad driver circuit in the ecm for stepper motor controll, thank you to all who...
May 12, 2006
2003 Jeep Grand Cherokee Laredo 4.0L No Start, Cuts out, Stall, MIL Lamp on VIN: 1J4GW48S33
P0505: Idle Air Control Motor Circuit Malfunction. this time vehicle was towed in as a no start, but started right up check engine light poped on with code po505 again, this vehicle seems like it has two problems bad crank sensor or bad driver circuit in the ecm for stepper motor controll, thank you to all who...
May 16, 2006
1998 Jeep Wrangler SE 2.5L MIL Lamp on VIN: 1J4FY29P5W
P0505: Idle Air Control Motor Circuit Malfunction. MIL comes on immediately after start up hot or cold after clearing. No driveability problems. Voltage drop test grounds and sensor grounds at PCM. Pass. Clean out TBI. Smoke test for vacuum leaks. Pass. Check wiring between IAC and PCM. Continuity tested, chec...
May 08, 2006
2001 Nissan Maxima GLE 3.0L Surge, MIL Lamp on, high idle VIN: JN1CA31A01
P0505: Idle Air Control, Auxiliary Air Control Valve Circuit Malfunction. car came in with very high idle speed . with iac removed idle speed could be controled by blocking off passage port.valve was replaced , now idle surges from 1600 to 2100rpm. idle relearn procedure was attempted with no change. suspect faulty pcm ?
May 08, 2006
1999 Mitsubishi Mirage DE 1.5L Poor Idle Quality VIN: JA3AY26A7X
P0505: Idle Speed Control System Malfunction. ... again...lol...customer came in for very low idle/almost stalling...so i adjust the idle up to about 750rpm..customer leaves happy..NO CHARGE..one of those tickets to heaven...so i thought...about 1 week later...calls me up...check engine lite on & now ...
May 10, 2006
2003 Jeep Grand Cherokee Laredo 4.0L No Start, Cuts out, Stall, MIL Lamp on VIN: 1J4GW48S33
P0505: Idle Air Control Motor Circuit Malfunction. this time vehicle was towed in as a no start, but started right up check engine light poped on with code po505 again, this vehicle seems like it has two problems bad crank sensor or bad driver circuit in the ecm for stepper motor controll, thank you to all who...
May 12, 2006
2003 Jeep Grand Cherokee Laredo 4.0L No Start, Cuts out, Stall, MIL Lamp on VIN: 1J4GW48S33
P0505: Idle Air Control Motor Circuit Malfunction. this time vehicle was towed in as a no start, but started right up check engine light poped on with code po505 again, this vehicle seems like it has two problems bad crank sensor or bad driver circuit in the ecm for stepper motor controll, thank you to all who...
May 16, 2006