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Home >> Chrysler >> 2011 >> 300 Base, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 182 (Heating & Air Conditioning (ATC) - Electrical Diagnostics - 3500 Cab & Chassis, 4500 & 5500) >> DTC Troubleshooting >> B10EA-Blower Motor Control Circuit High >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2012 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

The A/C Heater Control constantly monitors the Blower Control circuit to the Blower Module for proper operation. If the voltage on that circuit drops below or rises above a predetermined value, a DTC will set.