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Home >> Fiat >> 2012 >> 500 Pop, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 ((Transmission Control Module (TCM) - Electrical Diagnostics)) >> Diagnosis And Testing >> P0603-Internal Control Module Keep Alive Memory (KAM) 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 if the calculated check sum in RAM is different from check sum value in EEPROM.

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