Can you diagnose OBDII DTC’s in less than 10 minutes? Take this four question quiz to test your diagnostic strategies when tackling the most common OBD II codes.
Get to know your GM electronic throttle control (ETC) systems a little better. Test your knowledge of this system, including theory of operation, design variations, and ETC default codes, in our 5 question quick quiz.
Can every tech in your shop analyze and diagnose vehicles in 15 minutes or less? Do you know how to analyze amperage waveforms captured with your DSO and low-amp current probe to monitor electrical current through wires? Take our quick quiz to improve your accuracy and help cut your diagnostic time.
If things don’t match the book’s description of problems, where do you go? The customer, of course! This class explains why questions are the answer. Find out as Dave Hobbs goes under the hood with some off-the-wall diagnostic troubleshooting of GM’s recent powertrain innovations.