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Home >> Dodge and Ram >> 2018 >> ProMaster 1500 >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L - DTCS P0579 To P1239 >> DTC Troubleshooting >> P0579-Speed Control Switch 1 Performance >> Possible Causes
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Possible Causes

Possible Causes
SPEED CONTROL SWITCH WIRING
SPEED CONTROL SWITCH
BODY CONTROL MODULE (BCM)

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

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