This 373 page diagnostic manual from ATG will help you understand how components work together in system operation and utilize your test equipment so you can improve your accuracy and efficiency at diagnosing and repairing 2001-2007 Duramax diesel engines.  It begins with an introduction to the Duramax and its system and components for each generation.

It provides a thorough explanation of the components and system operation of the LB7 and explains the changes and differences of the LLY, LLY G Van, LBZ and LMM.  It also covers the GMLAN and controller area network, GMLAN speeds, gateway modules, scan tool communication, GMLAN wiring repair, GMLAN network testing and wiring diagrams.

373 Pages