DTC P0505 Cadillac
Idle Air Control Valve Circuit Malfunction
Idle Air Control Valve Circuit Malfunction
Description
Engine started, and the PCM detected an unexpected voltage condition on the IAC motor control circuit during the CCM test period
Cause and Solution
IAC motor open circuit is open, shorted to ground or to power
IAC motor closed circuit is open, shorted to ground or to power
IAC motor power circuit is open (test for power from main relay)
IAC motor is damaged or has failed
Video Guide
Diagnostic Info
- DTC Code: P0505
- Brand: Cadillac