Version 1.5 Adds: 1) Corrects the A/C parameters RPM Disable location, this only applies to 01-03 F bodies and Holdens, and 04 Holdens 2) Return of DTC 101 Table 3) Adds Axle Torque Limits, 4) Adds Driveshaft TQ limits 5) Adds Transmission Torque Limits 6) Allows Enabling/Disabling the Axle TQ limits 7) For 2004 only, fixes data entry problem for Speedo PPM value. 8) Allow changing the BLM Min and Max. temperatures 9) Added Speedometer Output, and ABS Output scaling to the corvette. 10) Adds Coolant Temperature Modifier for the IAT temperature Timing Table. 11) Adds Support for over a half dozen new GM releases since March 2004. All year corvettes, and some trucks and F-bodies had new releases that included a new Segment 1. 12) New DTC list for 2004 Only 13) Added DTC 0106 RPM's for 97-00 and 03-04, They were only good in 01-04 in the last release. 14) Shift Light Toggle enabled 15) Added new 2003 Calibration for Trucks. 16) Corrected Label on DTC P0128 17) Fixed CAT Test Frame Count for 02 Flex fuel and 03-04 trucks. 18) Added the Before Cat and After Cat O2 thresholds for 99-04 vehicles. THese can be used to fine tune the Cat convertor Diagnostic test. See the Factory service manual. 19) New Table for Throttle follower - Airflow vs RPM THis table is used in the CTS-V, and the 01-04 trucks, but is set to 1 for most Cars. 20) Minor updates to Table edit. Reset Background Color if cell not changed, and allowed "Edit Whole Table" to work for cell 1,1 as a single cell. 21) Added AC based Fan Parameters to System page. THese are only needed to set up electric Fans with AC in a truck, or in a Truck engine transplant. 22) Support changes in Transmission tables for new Truck build 23) New Air Conditioning values. These values on the idle tab are the airflow values added when you turn on the AC 24) New Airflow Decay Table, used with throttle cracker. 25) Replaces the True/False boxes for Option selection with Check boxes. 26) Adds another Boolean for the Shift light 27) New Version of Ls1prog ( 0.68) It prevents you from loading a file with the wrong Segment 1 ID.