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Home >> Jeep >> 2010 >> Grand Cherokee Laredo, 5.7 T, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Gas - DTCS P0507 To P0601 >> P0591-Speed Control Switch 2 Performance >> Possible Causes

Possible Causes

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

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.  See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .