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Home >> Jeep >> 2011 >> Liberty Renegade, Part Time >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> P1637-TCM Internal-EEPROM Performance >> Diagnostic Test

Diagnostic Test

  1. TRANSMISSION CONTROL MODULE 

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    Repair 

    • 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 , Description .
    • Perform NAG1 TRANSMISSION VERIFICATION TEST. Refer to Standard Procedure .
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