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Home >> Chrysler >> 2007 >> 300 Base >> Repair and Diagnosis (Single Page) >> 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 

    View repair. 

    Repair 

    1. Using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace the PCM per the Service Information. With the scan tool PERFORM QUICK LEARN, then program Pinion Factor in the Front Control Module. Refer to REMOVAL .
    2. Perform 42RLE TRANSMISSION VERIFICATION TEST .