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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 248 ((HVAC Systems - Electrical Diagnostics)) >> HVAC - Electrical Diagnostics >> DTC Troubleshooting >> B106B-Rear Defrost Control Circuit Low (ATC) >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2008 Dodge Magnum, 2008 Dodge Charger, and 2008 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
(C115) REAR WINDOW DEFOGGER RELAY CONTROL CIRCUIT SHORTED TO GROUND
(C115) REAR WINDOW DEFOGGER RELAY CONTROL CIRCUIT OPEN
REAR WINDOW DEFOGGER RELAY
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 (ATC) for stored DTC test procedures.
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