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Home >> Fiat >> 2017 >> 500 Abarth, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 38 ((Transmission Control Module (TCM) - Electrical Diagnostics - 500)) >> DTC Troubleshooting >> P0604-00 Internal Control Module Random Access Memory (Ram) Error >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different variant/trim than selected.

The Transmission Control Module (TCM) performs basic system checks to ensure proper controller operation. This Diagnostic Trouble Code (DTC) sets when the TCM cannot correctly write to, or read from the RAM.

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