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Home >> Dodge and Ram >> 2023 >> ProMaster 2500 >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Radio Frequency Module (RF Hub) - DTCS B1001-21 To B1045-01 >> DTC Troubleshooting >> B1036-12 Ignition Start - Circuit Short To Battery >> Theory Of Operation

Theory Of Operation

The Keyless Ignition Node (KIN) communicates with the RF Hub over a dedicated Security K Line Communication circuit. The K Line circuit is a one wire, low speed network operating similarly to a LIN bus system. The RF Hub compares the information on the dedicated Security K Line communication circuit to the Ignition Switch Position Signal circuit, when the ignition switch position is changed.