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Forum: Duramax LB7

Duramax 2001-2004 LB7, incl DSP custom OS.

  1. 02 lb7 wont run

    Started by Oldbluelb7, November 3rd, 2017
    • Replies: 0
    • Views: 2,422
    Oldbluelb7
    November 3rd, 2017 Go to last post

  2. 02 OS into a 01 ECM

    Started by horsehaulin, May 18th, 2008
    3 Pages •
    1 2 3
    • Replies: 28
    • Views: 15,745
    acrider2
    September 28th, 2008 Go to last post

  3. 03 dsp5 problem

    Started by Dirty dmax 06, October 1st, 2012
    • Replies: 5
    • Views: 4,133
    Dirty dmax 06
    October 6th, 2012 Go to last post

  4. 03 lb7 dsp 5 w/problems

    Started by audiodynamix199, May 11th, 2010
    • Replies: 2
    • Views: 4,266
    vortecfcar
    May 14th, 2010 Go to last post

  5. 03 lb7 duramax

    Started by mike37davis, January 6th, 2009
    • Replies: 9
    • Views: 6,138
    mvnvltn
    January 8th, 2009 Go to last post

  6. 03 lb7 duramax

    Started by mike37davis, January 9th, 2009
    • Replies: 0
    • Views: 3,002
    mike37davis
    January 9th, 2009 Go to last post

  7. 03 LB7 not recognizing license.

    Started by robo121, January 14th, 2014
    • Replies: 2
    • Views: 3,014
    robo121
    January 14th, 2014 Go to last post

  8. 03 LB7 pcm into 01 LB7

    Started by red12secz28, November 19th, 2007
    • Replies: 4
    • Views: 6,233
    red12secz28
    November 19th, 2007 Go to last post

  9. 03 O.S. in 02 idle then shut off

    Started by 05chevy, January 5th, 2015
    • Replies: 0
    • Views: 2,296
    05chevy
    January 5th, 2015 Go to last post

  10. 03 will not crank

    Started by xtremeduramaxperformance, October 20th, 2014
    • Replies: 0
    • Views: 1,941
    xtremeduramaxperformance
    October 20th, 2014 Go to last post

  11. Unhappy 04 duramax with running efi live presently. possibly changing tcm.

    Started by peter strawn, July 2nd, 2021
    • Replies: 0
    • Views: 5,842
    peter strawn
    July 2nd, 2021 Go to last post

  12. Question 04 LB7 won't full flash and $0537 error code

    Started by 04DMAXX, March 11th, 2013
    • Replies: 1
    • Views: 4,681
    cindy@efilive
    March 11th, 2013 Go to last post

  13. 2001 Drivder message Center

    Started by welder372, March 9th, 2012
    • Replies: 3
    • Views: 3,231
    THEFERMANATOR
    March 9th, 2012 Go to last post

  14. 2001 ECM OS upgrade?

    Started by turbo lcc, April 6th, 2006
    • Replies: 8
    • Views: 7,131
    GMPX
    April 30th, 2006 Go to last post

  15. 2001 EMC corruption

    Started by ILVSMOG, September 22nd, 2009
    • Replies: 4
    • Views: 4,583
    ILVSMOG
    September 22nd, 2009 Go to last post

  16. 2001 LB7 Error: $0537

    Started by garrettg.bpd, April 29th, 2015
    1 Attachment(s)
    • Replies: 7
    • Views: 10,592
    garrettg.bpd
    April 30th, 2015 Go to last post

  17. 2001 LB7 says locked with key While trying to tune ecm

    Started by Lymansc2, June 19th, 2020
    • Replies: 8
    • Views: 6,231
    GMPX
    June 25th, 2020 Go to last post

  18. 2001 Speed limiter removal works!

    Started by Trippin, March 12th, 2006
    • Replies: 2
    • Views: 5,364
    Trippin
    March 12th, 2006 Go to last post

  19. 2002 LB7 - DSP PID, not valid?

    Started by 02CCSB, September 21st, 2012
    • Replies: 3
    • Views: 3,735
    02CCSB
    September 22nd, 2012 Go to last post

  20. 2002 lb7 dlc connector

    Started by 6772king, July 25th, 2013
    2 Pages •
    1 2
    • Replies: 11
    • Views: 8,723
    6772king
    August 19th, 2013 Go to last post
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