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Home >> Jeep >> 2007 >> Commander Overland, 4WD >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> 545RFE Automatic Transmission - Electrical Diagnostics >> Automatic Transmission 545RFE - Electrical Diagnostics >> DTC Troubleshooting >> P0602-Control Module Programming Error/Not Programmed >> Diagnostic Test
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Diagnostic Test

  1. 1) CONTROL MODULE PROGRAMMING ERROR 
    NOTE: Controller is programmed with generic software and will not allow the correct vehicle Powertrain management.

    With the scan tool.

    Record the vehicles controller part number.

    Select Use Controller Part Number under the Flash Tab.

    Flash the controller with the correct software.

    Verify the controller flashed successfully. 

    Test Complete 

    1. Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST .
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