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Home >> Jeep >> 2007 >> Wrangler X, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0572 To P063A >> P0591-Speed Control Switch 2 Performance >> Possible Causes

Possible Causes

Possible Causes 
(V72) S/C SIGNAL 2 CIRCUIT OPEN
(V72) S/C SIGNAL 2 CIRCUIT SHORTED TO VOLTAGE
(V937) S/C SWITCH GROUND CIRCUIT OPEN
(V72) S/C SIGNAL 2 CIRCUIT SHORTED TO GROUND
(V72) S/C SIGNAL 2 CIRCUIT SHORTED TO THE (V937) S/C SWITCH GROUND CIRCUIT
SPEED CONTROL SWITCH
POWERTRAIN CONTROL MODULE (PCM)

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