LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Fiat >> 2013 >> 500c Pop, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> (Transmission Control Module (TCM) - Electrical Diagnostics >> Diagnosis And Testing >> P0604-Internal Control Module Random Access Memory (Ram) Error >> Diagnostic Test
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Test

  1. CHECK THE TRANSMISSION CONTROL MODULE (TCM) 

    Repair 

    • Using the schematics as a guide, check the Transmission Control Module (TCM) terminals and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Information Tune-ups or Service Bulletins for possible causes that may apply. If no problems are found, replace and program the Transmission Control Module Assembly (TCM) in accordance with the Service Information. Refer to MODULE, TRANSMISSION CONTROL [EAJ], REMOVAL or MODULE, TRANSMISSION CONTROL [EAB], REMOVAL .
    • Perform the AW60T VERIFICATION TEST. Refer to STANDARD PROCEDURE  .