The Automotive Training Group released the Chrysler OBD II Trouble Code Quick-Reference guide. This 550-page guide covers all gas engine Chrysler and Dodge cars from 2003-2010, including the Concorde and Intrepid, 3.5L Avenger, Charger and Magnum, Caliber, Viper, PT Cruiser, Sebring and Stratus (coupe and sedan) as well as the Neon and Pacifica. The handbook also contains an overview of OBD II theory.