The following is the change history log for Black 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 Duramaxx LML / LGH.


Current Version: 6.6.30


6.6.30 Aug. 23, 2012 – 2013 models supported


6.6.29 July 24, 2012 – Additional 2012 calibrations recognized, Firmware adjustments for PCH2.0


6.6.28 June 27, 2012 – P111D DTC addressed for 2012 DPF Present calibrations


6.6.27 June 14, 2012 – New GM system section 12644991 family recognized


6.6.26 June 11, 2012 – New GM system section calibrations recognized


6.6.25 May 30, 2012 – Calibration families 12645016 and 12649782 supported


6.6.24 May 29, 2012 – 1021 Firmware capable, PCH 2.0 capable, Install download text changed


6.6.23 Apr. 13, 2012 – LGH DPF Present bug fixed


6.6.22 Apr. 5, 2012 – Additional factory calibrations recognized, Key seed bug addressed


6.6.21 Mar. 27, 2012 – Additional factory calibrations recognized


6.6.20 Feb. 13, 2012 – Limp condition caused by low fuel rail pressure fixed


6.6.19 Feb. 8, 2012 – Injection Timing and Throttle Percent PIDs added


6.6.18 Dec. 3, 2012 – 12644995 calibration family supported, P0188 2012 LGH addressed


6.6.17 Dec. 1, 2012 – 12646362 calibration family supported


6.6.16 Oct. 31, 2012 – 12645001 calibration family supported


6.6.15 Oct. 24, 2011 – 2012 calibrations supported


6.6.14 Oct. 10, 2011 – Blank Screen boot-up fixed


6.6.13 P0188 LGH DTC addressed, 2012 calibrations defined


6.6.12 New GM Calibrations recognized 12644998 12645002 12645003 12645015, LGH capable, Performance Testing software added


6.6.11 New GM Calibrations recognized


6.6.10 New GM Calibrations recognized 12625020…


6.6.9 New GM Calibrations recognized 12625007…


6.6.8 New GM Calibrations recognized 12639568, 12641462, 12645014, 12646350


6.6.7 New GM Calibrations recognized


6.6.6 P10CE DTC addressed


6.6.5 New GM Calibrations defined for System


6.6.4 Additional calibration sections defined


6.6.3 P0606 DTC addressed for Race Tuning


6.6.2 Return to Stock error fixed


6.6.1 LML initial release software