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Home >> Jeep >> 2013 >> Compass Limited, AWD, Trans Mfr CD CVT2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 196 (Powertrain Control Module (Pcm) - Electrical Diagnostics - 42RLE Automatic Transmission) >> DTC Troubleshooting >> P0604-Internal Control Module Ram >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2012 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
  1. PCM - INTERNAL ERROR 

    Repair 

    • 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. Check for Service Information Tune-ups or Service Bulletins for any possible causes that may apply. If no problems are found, replace and program the PCM in accordance with the Service Information. With the scan tool, perform Quick Learn.
    • Perform the 42RLE TRANSMISSION VERIFICATION TEST. Refer to 42RLE TRANSMISSION VERIFICATION TEST .
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