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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 >> B1083-HVAC MUX Switch High (Gateway) >> 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 
(C18) A/C SELECT CIRCUIT SHORTED TO OTHER CIRCUITS
GATEWAY MODULE
POWERTRAIN CONTROL MODULE (PCM)