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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 272 (Nag1 Automatic Transmission - Electrical Diagnostics) >> Nag1 - Electrical Diagnostics >> DTC Troubleshooting >> P0604-Internal Control Module Ram >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2008 Dodge Magnum, 2008 Dodge Charger, and 2008 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
  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 DESCRIPTION .
    2. Perform NAG1 TRANSMISSION VERIFICATION TEST .
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