P1504 - Idle Air Control (IAC) Circuit
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2008 Mercury Sable, 2008 Mercury Mountaineer, 2008 Mercury Milan, 2008 Mercury Mariner, and 2008 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
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 | refer to PINPOINT TEST KE . | |||