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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 120 ((HVAC Systems - Electrical Diagnostics)) >> Electrical Diagnostics >> DTC Troubleshooting >> B1002-A/C Switch Request Input Circuit High (CCN) >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2006 Chrysler PT Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
(C105) HVAC MUX CONTROL CIRCUIT SHORTED TO VOLTAGE
(C105) HVAC MUX CONTROL CIRCUIT OPEN
(C955) HVAC MUX RETURN CIRCUIT OPEN
A/C HEATER CONTROL
INSTRUMENT CLUSTER (CCN)
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