October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

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 value of check sum calculated after Ignition ON is different from the correct check sum value stored in flash ROM.