The document enumerates a comprehensive list of OBD-II codes related to various types of communication buses in vehicles, including high-speed, medium-speed, and low-speed CAN communication buses, as well as vehicle-specific communication buses labeled A through E. It also details numerous lost communication errors involving various control modules across different systems, including the engine control module (ECM), transmission control module (TCM), and numerous other modules related to safety, body control, and HVAC. Additionally, the document outlines software incompatibility codes and invalid data reception errors associated with these modules.