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Home >> Dodge and Ram >> 2022 >> ProMaster 2500 >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L - DTCS P027B To P0627 >> Diagnosis And Testing >> P0602-Control Module Programming Error/Not Programmed >> Possible Causes

Possible Causes

Possible Causes
INVALID SOFTWARE OR INTERNAL ERROR
POWERTRAIN CONTROL MODULE (PCM)

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

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