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Home >> Alfa Romeo >> 2017 >> Giulia Base, AWD >> Repair and Diagnosis >> General Information >> OEM General Information >> (Drive Style Control Module (DSCM) - Electrical Diagnostics) >> DTC Troubleshooting >> B1603-68-Rotary Knob Failure-Event Information >> Possible Causes

Possible Causes

Possible Causes
DRIVING MODE SELECTOR SWITCH STICKING OR STUCK
DEBRIS OR OBJECTS INTERFERING WITH DRIVING MODE SELECTOR SWITCH OPERATION
DRIVE STYLE CONTROL MODULE (DSCM)

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