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Home >> Jeep >> 2006 >> Commander Limited, 5.7 2, RWD >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> 545RFE Automatic Transmission- Electrical Diagnostics >> 545RFE - Electrical Diagnostics >> DTC Troubleshooting >> P0602-Control Module Programming Error/Not Programmed >> Possible Causes
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Possible Causes

Possible Causes 
PCM - PROGRAMMING ERROR

Always perform the  45RFE/545RFE PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE   before proceeding. 

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