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Home >> Fiat >> 2016 >> 500 Turbo, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 123 ((Transmission Control Module (TCM) - Electrical Diagnostics - 500 - 1.4L 16-Valve)) >> DTC Troubleshooting >> P0603-00-Internal Control Module Keep Alive Memory (KAM) Error >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2015 Fiat 500. However, it is still accessible from the selected car via links, so may be relevant.

The Transmission Control Module (TCM) performs basic system checks to ensure proper controller operation. This Diagnostic Trouble Code (DTC) sets if the calculated check sum in RAM is different from check sum value in EEPROM.

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