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Home >> Dodge and Ram >> 2003 >> Durango Base, 5.9 Z, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 76 (Body Diagnostic Procedures) >> Diagnostic Information And Procedures >> Heating & A/C - Symptoms >> Symptom List: ENGINE GAUGE RX FAILURE (ACTIVE), PCM COMMUNICATION FAILURE (ACTIVE), REFRIGERANT PRESSURE RX FAILURE (ACTIVE), VIN RX FAILURE (ACTIVE) >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2003 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR ADDITIONAL HVAC DTCS

CHECK FOR PCM DTCS

A/C - HEATER CONTROL MODULE

PCM - NO MESSAGE TO A/C - HEATER CONTROL MODULE

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