I would like to buy a scan tool for my 1997 U270 with Cummins 8.3 in the $100 range. I read a three-year-old thread on this, but due to the low-cost (Chinese) electronics revolution, it may be worth the risk buying a low-priced scan tool on eBay. The following tool is from a reputable seller who advertises Cummins compatibility and the following protocols:<br/><br/>CAN, J1850...