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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Steering >> Electronic Steering >> (Electronic Power Steering (EPS) Module - Electrical Diagnostics) >> DTC Troubleshooting >> C1003-86-Vehicle Speed VSO Signal - Signal Invalid >> Possible Causes

Possible Causes

Possible Causes
CAN C BUS CIRCUIT SHORTED
CAN C BUS CIRCUIT OPEN
ANTI-LOCK BRAKE SYSTEM (ABS) MODULE
ELECTRIC POWER STEERING (EPS) MODULE

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