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Home >> Jeep >> 2019 >> Renegade High Altitude, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1349 (Body Control Module (BCM) - DTCS U1411-09 To U1990-83) >> DTC Troubleshooting >> U1804-08-Lin 4-Bus Signal/Message Failure >> Possible Causes

Possible Causes

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Possible Causes
LIN BUS 4 CIRCUIT SHORTED TO GROUND
LIN BUS 4 CIRCUIT SHORTED TO VOLTAGE
LEFT STEERING WHEEL SWITCH (SWS)
BODY CONTROL MODULE (BCM)

Perform the COMMUNICATION DIAGNOSTIC PROCEDURE. Refer to COMMUNICATION DIAGNOSTIC PROCEDURE .