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Thread: 2003 Hummer h2 6.0L lq4 P59 ecm OS 12579405 VCM Scanner Question

  1. #1

    2003 Hummer h2 6.0L lq4 P59 ecm OS 12579405 VCM Scanner Question

    I have a Gen 3 and just got hp tuners and when i pull up the channels on vcm scanner it seems like i should have more. I am referencing the video from GRG youtube video GM Gen 3 MAF Tuning Intro, https://youtu.be/ki9xIW-4YFM The Basics For Mass Air Flow. I inserted a picture of what i polled from my ecm in pic 1 and the only graph layout readings in pic 2. Any help would be apprciated

    pic 1
    Channels.jpg
    pic2
    graph layout.jpg

  2. #2
    Tuning Addict 5FDP's Avatar
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    Right click on a blank space to add more channels.
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.

  3. #3
    From the video he add commanded channels or idle air does not show up and im not finding anything in the drop down