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Home >> Chrysler >> 2011 >> 300 Base, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 181 ((Heating & Air Conditioning (MTC) - Electrical Diagnostics - 1500, 2500 & 3500)) >> DTC Troubleshooting >> B1015-12-Rear Defrost Switch Request Input Circuit/Performance >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2012 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
OBJECT HOLDING SWITCH IN AN ON POSITION
A/C HEATER CONTROL

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .