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Home >> Dodge and Ram >> 2024 >> ProMaster 2500 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Body Control Module (BCM) - DTCS U1750-86 To U191A-86) >> DTC Troubleshooting >> U1802-08 Lin 2 - Bus Signal/Message Failures >> Possible Causes

Possible Causes

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.
Possible Causes
LIN BUS 2 CIRCUIT SHORTED TO GROUND
LIN BUS 2 CIRCUIT SHORTED TO VOLTAGE
LEFT STEERING WHEEL SWITCH (SWS)
ELECTRONIC PEDESTRIAN PROTECTION MODULE (IF EQUIPPED)
CLOCKSPRING
BODY CONTROL MODULE (BCM)

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