Dec 2002 Version 1.21 Adds: 1) Adds PE Delay for the 01-02 trucks, and scales to seconds 2) Added scaling to the Graph edit page, so you can now resize it. 3) Fixed a bug in the gear scale routine that was accidentally changing the P0153 Diagnostic test. 4) Completely rewrote the Diagnostic Test Code section. All years now have all codes, and labels. 5) Added a decimal place to the Ignition tables 6) Adds the secondary VE tables. They seem to be used in Speed Density Mode. Used in the Holden Speed Density cars. 7) Adds A table that defines the Gms/Cyl change in Airflow to initiate Burst knock, More commonly called Tip-in 8) Adds a table that defines the retard vs RPM that is used for Burst Knock. 9) Correctly Identifies Tire size for the Escalade, actually now understands that Cadillac makes a truck. 10) Fixes The Trans Diagnostic tests for the 97-2000 years. Will add 2001-2003 in next update. 11) Now updates all values on the Speedometer display when new gear or tire is entered. 12) Checks for Segment 1 ID match on compare file. 13) Adds support for 2003 14) New Rev Limit Table for 2001 and Up 15) New Torque limit by Gear Table 16) New Delta Torque limit table for 2001 and Up 17) New Table for Knock energy at Tip-in 18) Allows changing Fan Types in the PCM. 19) Fixed the labels on the Fuel Air Modifier Table; They were reversed.