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Home >> Dodge and Ram >> 2015 >> Durango SXT, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 126 (Body Control Module (BCM) - DTCS B1208-11 To B2119-11) >> DTC Troubleshooting >> B16BF-11-Front Left SIDEMARKER Lamp Control - Circuit Short To Ground >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2016 Dodge Durango. 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 Pulse Width Modulated (PWM) voltage output to the Side Marker Lamps. A ground path for the lamps is present through the harness to the body.

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