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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 ((HVAC Systems - Electrical Diagnostics)) >> Electrical Diagnostics >> DTC Troubleshooting >> DTC 33: A/C Mode Switch Stuck (MTC) >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2006 Dodge Magnum, 2006 Dodge Charger, and 2006 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
OBJECT HOLDING A/C MODE SWITCH IN A PUSHED POSITION
SUBSTANCE CAUSING A/C MODE SWITCH TO GET STUCK IN A PUSHED POSITION
(C850) BLOWER SWITCH POSITION SIGNAL CIRCUIT SHORTED TO VOLTAGE
(C850) BLOWER SWITCH POSITION SIGNAL CIRCUIT SHORTED TO (Z908) GROUND CIRCUIT
(C850) BLOWER SWITCH POSITION SIGNAL CIRCUIT SHORTED TO (Z909) GROUND CIRCUIT
(C850) BLOWER SWITCH POSITION SIGNAL CIRCUIT SHORTED TO GROUND
(C850) BLOWER SWITCH POSITION SIGNAL CIRCUIT OPEN
A/C STATUS INDICATOR INOPERATIVE
A/C HEATER CONTROL