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Home >> Dodge and Ram >> 2003 >> Durango Base, 5.9 Z, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 105 (Body Diagnostic Procedures) >> Diagnostic Information And Procedure >> Heating & A/C >> Symptom: Engine Gauge RX Failure (Active); Pcm Communication Failure (Active); Refrigerant Pressure RX Failure (Active); VIN RX Failure (Active) >> When Monitored and Set Condition: >> Pcm Communication Failure (Active)

Pcm Communication Failure (Active)

WARNING: This page is about a different car, the 2004 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.

When Monitored: With the ignition on.

Set Condition: This DTC will set if the A/C - Heater Control Module does not receive the message from the PCM for more than 5 seconds. This message provides Engine RPM and Vehicle Speed.

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