Theory Of Operation
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.
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.