The Automotive Training Group released its Chrysler OBDII Trouble Code Quick-Reference guide for Chrysler, Dodge and Jeep trucks, vans and SUVs (gas and diesel, 2003-2010). This 532-page guide helps quickly identify a fault, determine what conditions were present when the trouble code set, identify possible causes and determine how to drive the vehicle to validate the repair. Each Trouble Code also includes enable criteria. The handbook contains an overview of OBDII theory, including OBDII Monitor explanations and Drive Cycle graphics.