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Home >> Fiat >> 2019 >> 124 Spider Classica, Automatic Trans >> Repair and Diagnosis >> Transmission >> Automatic Trans >> (Aw6R31 Automatic Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> P0601-00 Internal Control Module Memory Checksum Error >> Diagnostic Test

Diagnostic Test

  1. CHECK FOR THE PRESENCE OF ERROR IN THE TRANSMISSION CONTROL MODULE 
    1. Go to Key-OFF condition, then ON (engine off or on).
    2. Connect the diagnosis equipment and check for errors.

      Are there errors?

      Yes 

      • Proceed as indicated by the diagnosis equipment, then Go to  2.

      No 

      • Go to  2.
  2. CHECK CORRECT OPERATION OF TRANSMISSION CONTROL MODULE 
    1. Perform the Transmission Control Module error deletion procedure.
    2. Start the engine.
    3. Heat engine and gearbox.
    4. Drive the vehicle in D position and ensure the gears from 1st to 6th easily engage.
    5. Check whether there is a fault.

      Is the error still present?

      Yes 

      No 

      • End of diagnosis.
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