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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 69 (Body Control Module (BCM) - DTCS B1830-11 To U1433-24) >> Diagnosis And Testing >> B2103-15-Ignition Run/Start 1 Control - Circuit Short To Battery Or Open >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2014 Dodge Journey. 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/start operation is requested. The BCM provides a voltage output through the run/start relay control circuit, which connects to the coil side of the Run/Start Relay.

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