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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Body Control Module (BCM) - DTCS U1703-86 To U1A56-87 >> DTC Troubleshooting >> U1A16-83-Message BCM CRC MCFAILSTS CRC Plausibility Error-Value Of Signal Protection Calculation Incorrect >> Possible Causes

Possible Causes

Possible Causes
LIN BUS LIGHTING SIG RT CIRCUIT OPEN OR HIGH RESISTANCE
STEERING COLUMN CONTROL MODULE (SCCM)
BODY CONTROL MODULE (BCM)

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