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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> (Active Cruise Control Module (Acc) - Electrical Diagnostics) >> DTC Troubleshooting >> C1403-86-Electrical Power Steering Failure - Signal Invalid >> Possible Causes

Possible Causes

Possible Causes
DTCS SET IN THE ELECTRIC POWER STEERING (EPS) MODULE
ELECTRIC POWER STEERING (EPS) MODULE
ADAPTIVE CRUISE CONTROL (ACC) MODULE

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

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