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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 >> Communication - Symptoms >> Symptom: *NO RESPONSE FROM HVAC >> 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.

ATTEMPT TO COMMUNICATE WITH THE CTM

REPLACE FUSE #25

A/C HEATER CONTROL SHORTED TO GROUND

FUSED IGNITION SWITCH OUTPUT CIRCUIT SHORTED TO GROUND

JUNCTION BLOCK SHORTED TO GROUND

GROUND CIRCUIT(S) OPEN

FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN

OPEN PCI BUS CIRCUIT

A/C HEATER CONTROL

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