July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC U0100 Can-Time Out Ecu: General Description

The TCM can either receive data from the Engine Control Module or ABS control module, or it can send data to the ECM and ABSCM by using CAN communication. The CAN communication is one of the vehicle communication methods, which is now widely used to transfer the vehicle data.