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Possible Causes

Possible Causes
LIN BUS CIRCUIT OPEN
LIN BUS CIRCUIT SHORTED TO ANOTHER CIRCUIT
LIN BUS CIRCUIT SHORTED TO GROUND
SPEED CONTROL SWITCH FUSED B(+) CIRCUIT OPEN OR HIGH RESISTANCE
SPEED CONTROL SWITCH GROUND CIRCUIT OPEN OR HIGH RESISTANCE
SPEED CONTROL SWITCH
STEERING COLUMN CONTROL SWITCH (SCCM)

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