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  • P0602 Control Module Programming Error

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    Mopar1973Man

    P0602 CONTROL MODULE PROGRAMMING ERROR

    When Monitored and Set Condition:

    When Monitored: Continuously
    Set Condition: The DTC will always light the MIL, and is designed to signal the technician that the controller still has generic software installed.

    POSSIBLE CAUSES

    • ENGINE AND TRANSMISSION NEED TO BE PROGRAMMED
    • PCM

    DIAGNOSTIC PROCEDURE

    NOTE: Controller is programmed with generic software and will not allow proper Powertrain operation.

    NOTE: This DTC can cause a no start condition in some vehicles.

    NOTE: Check controller power and grounds before proceeding.

    1. Ignition on, engine not running. With the DRBIII(R), erase DTCs. With the DRBIII(R) program the engine and transmission software. Start the engine. Allow the engine to reach normal operating temperature. With the DRBIII(R), read DTCs. Does the DTC reset?
      Yes --> Replace the Powertrain Control Module and perform STANDARD PROCEDURE - TCM QUICK LEARN . Refer to ELECTRONIC CONTROL MODULES . Note: Program both the engine and transmission software. Perform (NGC) 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1 .
      No --> The PCM has been successfully programmed. Test is complete. Perform (NGC) 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1 .

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