Some of the topics covered in this text include CAN bus training for $10, steps for diagnosing faults in a vehicle's CAN bus, checking for proper plug connections and resistance settings, testing bus wiring and measuring physical parameters, communication issues caused by data bus errors, diagnostic devices for CAN bus communication, the purpose of the CAN bus in a car, the use of Bitstuffing to prevent distortion in the signal, and the limitations of self-diagnosis for identifying and isolating CAN bus system errors.