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Home >> Dodge and Ram >> 2011 >> Nitro Detonator, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0585 To P2110 >> Diagnosis And Testing >> P0591-Speed Control Switch 2 Performance >> Possible Causes
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Possible Causes

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

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