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Home >> Jeep >> 2011 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> Engine Performance >> System >> 3.8L - DTCS P0205 To P0579 >> Diagnosis And Testing >> P0579-Speed Control Switch 1 Performance >> Possible Causes

Possible Causes

Possible Causes 
(V71) S/C SIGNAL 1 CIRCUIT SHORTED TO VOLTAGE
(V71) S/C SIGNAL 1 CIRCUIT OPEN
(V937) S/C SWITCH GROUND CIRCUIT OPEN
(V71) S/C SIGNAL 1 CIRCUIT SHORTED TO GROUND
(V71) S/C SIGNAL 1 CIRCUIT SHORTED TO THE (V937) S/C SWITCH GROUND CIRCUIT
CLOCKSPRING
SPEED CONTROL SWITCH
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  . 

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