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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 315 (Body Control Module (BCM) - DTCS B1815-11 To U1433-24 - 1500) >> Diagnosis And Testing >> B2119-15-Ignition Run/Acc/SPAD Control - Circuit Short To Battery Or Open >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2013 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.

The Body Control Module (BCM) receives the network communication message from the Radio Frequency (RF) Hub indicating run or accessory operation is requested. The BCM provides a voltage output through the accessory delay relay control circuit, which connects to the coil side of the Run/Acc 2 Relay.

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