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Forum: Duramax LLY

Duramax 2004i-2005 LLY, incl DSP custom OS.

  1. HELP PLEASE WITH CTS2 AND DSP5 SWITCh

    Started by karstd, 3 Weeks Ago
    please help
    • Replies: 5
    • Views: 150
    3 Weeks Ago Go to last post
    • Replies: 2
    • Views: 88
    3 Weeks Ago Go to last post
  2. Need stock tune for lly. ASAP!

    Started by Quinton, 4 Weeks Ago
    • Replies: 2
    • Views: 91
    4 Weeks Ago Go to last post
  3. $0537 lly duramax

    Started by Duramax23, September 12th, 2017
    2 Pages
    1 2
    • Replies: 12
    • Views: 241
    September 13th, 2017 Go to last post
    • Replies: 3
    • Views: 226
    August 2nd, 2017 Go to last post
  4. LLY CCSB Serial Communication Issue

    Started by smcdaniel, June 19th, 2017
    bcm, ecm, lly, tcm
    • Replies: 0
    • Views: 167
    June 19th, 2017 Go to last post
    • Replies: 18
    • Views: 2,915
    May 21st, 2017 Go to last post
    • Replies: 3
    • Views: 1,305
    May 4th, 2017 Go to last post
  5. dual fuel tanks

    Started by Cwalt50, November 20th, 2016
    • Replies: 4
    • Views: 1,720
    November 25th, 2016 Go to last post
  6. Nitto 37x11.50 tires, brake light on

    Started by Rockwell 3, October 26th, 2016
    • Replies: 4
    • Views: 1,345
    November 22nd, 2016 Go to last post
    • Replies: 4
    • Views: 1,730
    July 12th, 2016 Go to last post
    • Replies: 3
    • Views: 1,601
    June 17th, 2016 Go to last post
  7. Angry truck took vin lic but wont take full flash???

    Started by Scarface, May 6th, 2016
    2 Pages
    1 2
    • Replies: 11
    • Views: 3,127
    May 11th, 2016 Go to last post
  8. 68mm turbo dsp5

    Started by Rstowe, April 16th, 2016
    • Replies: 1
    • Views: 1,304
    April 20th, 2016 Go to last post
  9. DSP5 valet mode

    Started by 05lly2500hd, December 16th, 2008
    2 Pages
    1 2
    • Replies: 13
    • Views: 4,446
    April 11th, 2016 Go to last post
    • Replies: 3
    • Views: 1,516
    April 9th, 2016 Go to last post
  10. Dead ecm

    Started by catman3126, March 27th, 2016
    • Replies: 2
    • Views: 1,639
    April 3rd, 2016 Go to last post
  11. 05 lly 30% over injectors

    Started by WPDiesel, March 10th, 2016
    • Replies: 9
    • Views: 2,521
    March 30th, 2016 Go to last post
  12. LLY Flashing Issues Lately

    Started by Mitco39, March 12th, 2016
    • Replies: 3
    • Views: 1,766
    March 28th, 2016 Go to last post
  13. Lbz cp3 in an lly

    Started by shotgunwilly1117, January 27th, 2016
    • Replies: 4
    • Views: 1,659
    January 28th, 2016 Go to last post

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