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Home >> Dodge and Ram >> 2017 >> Challenger SXT Plus >> Repair and Diagnosis >> Steering >> Steering Control Systems >> (Steering Column Control Module (SCCM) - Electrical Diagnostics) >> Diagnosis And Testing >> U121E-00-Lost Communication With Steering Wheel Cruise Control Switch >> Possible Causes

Possible Causes

Possible Causes
RIGHT STEERING WHEEL SWITCH (SPEED CONTROL SWITCH) UNPLUGGED, POOR CONNECTION OR WIRING HARNESS
RIGHT STEERING WHEEL SWITCH (SPEED CONTROL SWITCH)
STEERING COLUMN CONTROL MODULE (SCCM)

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

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