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Home >> Jeep >> 2021 >> Grand Cherokee L Laredo, AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake System Control Module (BSCM) - DTCS C0558-00 To P05DC-00 >> DTC Troubleshooting >> C121A-00-Steering Angle Sensor Not Initialized >> Possible Causes

Possible Causes

Possible Causes
STEERING COLUMN CONTROL MODULE (SCCM) DTCS
STEERING COLUMN CONTROL MODULE (SCCM)
BRAKE SYSTEM CONTROL MODULE (BSCM)

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