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  • P0613 Internal TCM

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    P0613 INTERNAL TCM

    When Monitored and Set Condition:

    When Monitored: Continuously with the ignition on.
    Set Condition: Whenever the PCM detects an internal controller problem,

    POSSIBLE CAUSES

    • POWER OR GROUND CIRCUIT
    • POWERTRAIN CONTROL MODULE

    DIAGNOSTIC PROCEDURE

    1. Using the schematics as a guide, inspect the wiring and connectors specific to the PCM and Transmission Control Relay circuits.
      NOTE: Pay particular attention to all power and ground circuits pertaining to the PCM. Due to the integration of the Powertrain and Transmission Control Modules, the transmission part of the PCM has its own specific power and ground circuits. Wiggle the wires while checking for shorted and open circuits. Check for any applicable TSB's that may apply.
      CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMINALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
      Were there any problems found?
      Yes --> Repair the power and/or ground circuits to the PCM and Transmission Control Relay as necessary. Perform (NGC) 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1 .
      No --> Go To 2
    2. Using the schematics as a guide, inspect the wiring and connectors. Repair as necessary. Pay particular attention to all power and ground circuits. If there are no possible causes remaining, view repair.

    Repair

    Replace the Powertrain Control Module and perform STANDARD PROCEDURE - TCM QUICK LEARN . Refer to ELECTRONIC CONTROL MODULES . Perform (NGC) 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1 .


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