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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> (Instrument Cluster - Electrical Diagnostics) >> DTC Troubleshooting >> U1801-08 - Lin IPC Instrument Panel Cluster - Bus Signal - Message Failure >> Possible Causes

Possible Causes

Possible Causes
LIN BUS CIRCUIT SHORTED TO GROUND
LIN BUS CIRCUIT OPEN
LIN BUS CIRCUIT SHORTED TO VOLTAGE
COMPASS MODULE (IF EQUIPPED)
INSTRUMENT PANEL CLUSTER (IPC)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  STANDARD PROCEDURE  .