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Home >> Dodge and Ram >> 2024 >> ProMaster 2500 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Body Control Module (BCM) - DTCS B1000-44 To B101E-11) >> DTC Troubleshooting >> B1012-11 License Plate Led Lights - Circuit Short To Ground >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2024 RAM ProMaster EV. However, it is still accessible from the selected car via links, so may be relevant.

When the Body Control Module (BCM) receives an input from the Headlamp Switch, requesting Park Lamp illumination, the BCM provides a voltage output to the License Plate Lamp Driver circuit. A ground path is provided to the Lamp Assemblies through the wiring harness to the body sheet metal.

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