DTC P1549: Intake Manifold Communication Control (IMCC) Circuit (Bank 1)
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P1549 - INTAKE MANIFOLD COMMUNICATION CONTROL (IMCC) CIRCUIT (BANK 1)
| Description: | The IMCC or intake manifold tuning (IMTV) system is monitored for failure during continuous or key on engine off (KOEO) self-test. The test fails when the powertrain control module (PCM) detects a concern with the IMTV output circuit. | ||
| Possible Causes: |
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| Diagnostic Aids: | An IMTV fault PID (IMTVF) displaying YES may indicate a fault. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test HU . | - | GO to Pinpoint Test HU . |