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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 12: Mode Pot Shorted (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 
A/C HEATER CONTROL
NOTE: This DTC must be active for the results of this test to be valid. Do not perform this test if this DTC is stored. Refer to *HVAC SYSTEM TEST (MTC)  for stored DTC test procedures.
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