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Home >> Chrysler >> 2008 >> Pacifica Limited, FWD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0573 To P0642 >> P0591-Speed Control Switch 2 Performance >> Possible Causes
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Possible Causes

Possible Causes 
INTERMITTENT DTC
(V38) S/C SIGNAL 2 CIRCUIT SHORTED TO VOLTAGE
(V38) S/C SIGNAL 2 CIRCUIT SHORTED TO GROUND
(V38) S/C SIGNAL 2 CIRCUIT SHORTED TO THE (K975) S/C SWITCH GROUND CIRCUIT
(V38) S/C SIGNAL 2 CIRCUIT OPEN OR HIGH RESISTANCE
(K975) S/C SWITCH GROUND CIRCUIT OPEN OR HIGH RESISTANCE
LEFT SPEED CONTROL SWITCH
RIGHT SPEED CONTROL SWITCH
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding.