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L31 Glove Box Code... Is this right?

Discussion in 'Chevy Suburban Forum (GMC Yukon XL)' started by i_build, Apr 3, 2009.

  1. i_build

    i_build Rockstar

    It's been a week of reading and researching since I bought my 99 LT and I found something that I think I should be excited about. I have a code of L31 in the glove box which is listed as


    I dont understand because I thought it was a 5.7 / 350. Can someone explain.

  2. dwill3015

    dwill3015 Epic Member 5+ Years ROTM Winner 1000 Posts

    That's what I found as well. What are you driving again? It would be helpful if you listed it in your Sig as well, thanks!
  3. i_build

    i_build Rockstar

    Sorry... It's a 99 Suburban LT

    Just added it to my sig as well
    Last edited: Apr 3, 2009
  4. THier

    THier Member

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