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Home >> Dodge and Ram >> 2024 >> 2500 HD Power Wagon >> Repair and Diagnosis >> Steering >> Steering Control Systems >> (Steering Column Control Module (SCCM) - Electrical Diagnostics) >> DTC Troubleshooting >> P0579-00 - Upshift Downshift Switch Performance >> Possible Causes

Possible Causes

Possible Causes
SPEED CONTROL SWITCH SIGNAL 1 CIRCUIT HIGH RESISTANCE
SPEED CONTROL SWITCH GROUND CIRCUIT HIGH RESISTANCE
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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