DTC P1504: - Idle Air Control (IAC) Circuit
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2009 Mercury Mountaineer, 2009 Mercury Milan, 2009 Mercury Mariner, 2009 Mercury Grand Marquis, and 2009 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
DTC P1504: - IDLE AIR CONTROL (IAC) CIRCUIT
| Description: | This DTC is set when the powertrain control module (PCM) detects an electrical load failure on the IAC output circuit. | ||
| Possible Causes: |
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| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test KE . | ||