The following is the change history log for Mini Maxx Tuners that was previously hosted by H&S Performance before they closed down. The information listed is for tune file versions used by the 6.6L Duramax LML / LGH.
Current Version: 6.6.43
6.6.43 May 20, 2013 – Calibration family 12644970 recognized
6.6.42 May 13, 2013 – Calibration 12655930 recognized
6.6.41 April 18, 2013 – Calibration family 12645069 recognized
6.6.40 April 11, 2013 – Street series tuners firmware updated (1031)
6.6.39 March 20, 2013 – Additional 2012 Van calibrations recognized
6.6.38 March 8, 2013 – Turbo vane modifications to remedy exhaust “hiss” during idle on all emissions removed tunes, Fuel pressure deviation thresholds modified to combat low fuel pressure limp, Urea system messages modified for emissions removed tunes, Additional 2013 Van calibrations recognized
6.6.37 Feb. 14, 2013 – Additional 2013 calibrations recognized
6.6.36 Feb. 4, 2013 – Additional 2013 calibrations recognized
6.6.35 Jan.22, 2013 – Street tuner compatible (1030 Firmware), 12654731 system calibration recognized
6.6.34 Jan. 7, 2013 – Firmware 1023, DPF delete modified to High Sulfur text, Log files added, Auto detect firmware update added, SD card communications updated, Power level names changed – Stock, Tow, Street, Performance
6.6.33 Dec. 14, 2012 – Calibration family 12645012 recognized, Backlight adjustment fixed
6.6.32 Nov. 27, 2012 – Additional 2012 and 2013 calibrations recognized
6.6.31 Nov. 13, 2012 – Show Settings T.V. text fixed
6.6.30 Nov. 10, 2012 – SD Communications adjusted, Warning levels bug fixed, Firmware 1.02.2
6.6.29 Oct. 22, 2012 – P249D fixed for 2013 DPF Present Tuning
6.6.28 Aug. 23, 2012 – 2013 models supported
6.6.27 July 24, 2012 – Additional 2012 calibrations recognized, Firmware adjustments for PCH2.0
6.6.26 June 27, 2012 – P111D DTC fixed for 2012 DPF Present calibrations
6.6.25 June 14, 2012 – New GM system section 12644991 family recognized
6.6.24 June 11, 2012 – New GM system section calibrations recognized
6.6.23 May 30, 2012 – Calibration families 12625016 and 12649782 supported
6.6.22 May 29, 2012 – 1021 Firmware capable, PCH 2.0 capable, Install download text changed
6.6.21 Apr. 13, 2012 – LGH DPF Present bug fixed
6.6.20 Apr. 5, 2012 – Additional factory calibrations recognized, Key seed bug fixed
6.6.19 Mar. 27, 2012 – Additional factory calibrations recognized
6.6.18 Feb. 13, 2012 – Limp mode caused by low fuel rail pressure fixed
6.6.17 Feb. 8, 2012 – Injection Timing and Throttle Percent PIDs added
6.6.16 Dec. 3, 2012 – 12644995 calibration family supported, P0188 2012 LGH addressed
6.6.15 Dec. 1, 2012 – 12646362 calibration family supported
6.6.14 Oct. 31, 2012 – 12645001 calibration family supported
6.6.13 Oct. 24, 2011 – 2012 calibrations supported
6.6.12 P0188 LGH DTC, 2012 LML calibrations defined
6.6.11 New GM Calibrations recognized 12644998 12645002 12645003 12645015, LGH capable, Performance Testing software added
6.6.10 New Calibrations recognized
6.6.9 New Calibrations recognized 12625020…
6.6.8 New Calibrations recognized 12625007…
6.6.7 New Calibrations recognized 12639568, 12640320, 12641462, 12645014, 12646350
6.6.6 New Calibrations recognized
6.6.5 P10CE DTC addressed
6.6.4 New GM calibrations defined for System
6.6.3 Additional calibration sections defined
6.6.2 P0606 DTC addressed for Race Tuning
6.6.1 Initial LML release software