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2021
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ProMaster 2500
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Repair and Diagnosis
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Engine Performance
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System
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3.6L - DTCS P1300 To P2173
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DTC Troubleshooting
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P1593-Speed Control Switch 1/2 Stuck
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Set Condition
Set Condition
The Powertrain Control Module (PCM) has received a message from the Body Control Module (BCM) that a non-permissable switch input combination has occurred in the Speed Control Switch