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Home >> Chrysler >> 2005 >> 300 Base >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> 42RLE Automatic Transmission - Electrical Diagnostics >> DTC Troubleshooting >> P0604 - Internal Control Module Ram >> Diagnostic Test
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Diagnostic Test

  1. 1)  PCM - INTERNAL ERROR 

    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 

    1. Replace the Powertrain Control Module. With the scan tool perform QUICK LEARN, then program Pinion Factor in the Front Control Module.
    2. Perform 42RLE TRANSMISSION VERIFICATION TEST - VER 1  .
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