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Home >> Jeep >> 2007 >> Commander Base, 4.7 P, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> DTCS P0503 To P0580 >> P0580-Speed Control Switch 1 Circuit Low >> Possible Causes
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Possible Causes

Possible Causes 
(V371) S/C SWITCH NO. 1 SIGNAL CIRCUIT SHORTED TO THE (V397) S/C SWITCH RETURN
(V71) S/C SWITCH NO. 1 SIGNAL CIRCUIT SHORTED TO THE (V937) S/C SWITCH RETURN
(V371) S/C SWITCH NO. 1 SIGNAL CIRCUIT SHORTED TO GROUND
(V71) S/C SWITCH NO. 1 SIGNAL CIRCUIT SHORTED TO GROUND
STEERING COLUMN CONTROL MODULE
SPEED CONTROL ON/OFF SWITCH
SPEED CONTROL RESUME/ACCEL SWITCH
PCM

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .