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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0579 To P0643 >> P0592-Speed Control Switch 2 Circuit Low (Except Police Package) >> Possible Causes

Possible Causes

Possible Causes 
(V72) S/C SIGNAL 2 CIRCUIT SHORTED TO GROUND
(V72) S/C SIGNAL 2 CIRCUIT SHORTED TO THE (V937) S/C SWITCH GROUND CIRCUIT
EXCESSIVE RESISTANCE IN THE (V72) S/C SIGNAL 2 CIRCUIT
EXCESSIVE RESISTANCE IN THE (V937) S/C SWITCH GROUND CIRCUIT
SPEED CONTROL SWITCH
STEERING COLUMN MODULE (SCM)
POWERTRAIN CONTROL MODULE (PCM)

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