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Home >> Jeep >> 2008 >> Commander Base, 4.7 N, AWD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P050B To P0601 >> P0581-Speed Control Switch 1 Circuit High >> Possible Causes
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Possible Causes

Possible Causes 
(V371) S/C SWITCH NO.1 SIGNAL CIRCUIT SHORTED TO VOLTAGE
(V371) S/C SWITCH NO.1 SIGNAL CIRCUIT OPEN
(V71) S/C SWITCH SENSE 1 CIRCUIT OPEN
(V397) S/C SWITCH RETURN CIRCUIT OPEN
(V937) S/C SWITCH RETURN CIRCUIT OPEN
STEERING COLUMN CONTROL MODULE (SCCM)
SPEED CONTROL SWITCH
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.