P1549 - Intake Manifold Communication Control Circuit Malfunction
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2004 Mercury Sable, 2004 Mercury Mountaineer, 2004 Mercury Monterey, 2004 Mercury Marauder, and 2004 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
P1549 - INTAKE MANIFOLD COMMUNICATION CONTROL CIRCUIT MALFUNCTION
| Description: | The IMCC or intake manifold tuning (IMT) valve system is monitored for failure during continuous or KOEO self-test. The test fails when the PCM detects a concern with the IMT valve output circuit. | ||
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| Diagnostic Aids: |
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| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to HU: Intake Air Systems STEP 42 | - | GO to HU: Intake Air Systems STEP 42 |