What kind of Scan software does GM use?
What kind of Scan software does GM use? The GM MDI when coupled up with the software application 'GDS-2' allows your shop to be 'dealer level' capable on all the above listed GM cars. Scan, pull codes, graph data and have all bi-directional controls available for all vehicle systems including Powertrain, Body, Chassis and Network. How does a PCM scan tool work on a car? A scan tool plugs into the vehicles diagnostic port. Once plugged in, it acts like another module on the network, communicating back and forth. If the PCM does not respond to the scan tool, the...