B1640 JEEP – Front Right Turn Control Circuit High

B1640 JEEP Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

B1640 JEEP Possible Causes

Blown Front Right Park and Turn Signal Bulb,Faulty Front Right Turn Lamp,Front Right Turn Lamp harness is open or shorted,Front Right Turn Lamp circuit poor electrical connection,Faulty Body Control Module (BCM)

B1640 JEEP Description

The Body Control Module (BCM) receives a communication network message from the Steering Column Control Module (SCCM) requesting turn signal lamp illumination. When this bus message is received, the BCM provides a pulsed voltage output through the front turn signal control circuit. The front turn signal control circuit connects to the dual filament Park and Turn Signal Lamp. The same ground circuit is used for both the Park and Turn Signal filaments in a dual filament lamp.