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Home >> Dodge and Ram >> 2020 >> ProMaster 1500 >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> (Automatic Transmission - Electrical Diagnostics) >> DTC Troubleshooting >> P0602-Control Module Programming Error/Not Programmed >> Possible Causes

Possible Causes

Possible Causes
PCM - PROGRAMMING ERROR

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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