I am attempting to run the ABS auto bleed sequence. My vehicle is a 1999 Olds Bravada. When I am in the ABS module, it does not contain the 4th (D) or 5th (T) VIN digit (Letter). Where can I update my scanner for this vehicle? I did receive the accompanying cd, but unfortunately my laptop does not have a cd drive. Please tell me this investment supports my vehicle.