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Diagnostic Test

  1. 1) TRANSMISSION CONTROL MODULE 

    View repair 

    Repair 

    1. Using the schematics as a guide, check the Transmission Control Module (TCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace the TCM per the Service Information. Refer to MODULE-TRANSMISSION CONTROL for the appropriate service procedures.
    2. Perform NAG1 TRANSMISSION VERIFICATION TEST .