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1-6 of 6 Results
  1. 2020+ LM2 Duramax Powertrain
    I have a 2021 at4 lm2 with the 10 speed, just recently the speedometer just randomly goes out to lunch. Going up a slight incline at about 1/4 throttle it will slam and downshift about 4 or 5 gears in one shot go from 1000rpm to 3000rpm. Then the speedometer will start reading all over the...
  2. Build Threads
    Anyone have a line on software for programming and Changing parameters on the LM2 pcm? We're beginning a build, 1967 chevy truck, 2021 lm2 duramax with 10 speed trans. Any and all info welcomed for this offroad build. Anyways this is where it starts, I need a way to manipulate this pcm to run...
  3. TECH Members ONLY
    Hello, new here. If anyone has a lead on the software for programming the lm2 pcm, kindly reach out to me as I'm planning a custom build for the near future and we would really like to use this 2021 lm2 and transmission in this classic truck. Sadly it's not the same as previous duramax mods as...
  4. 2020+ LM2 Duramax Powertrain
    Hey y’all, new to this group but not to forums. Looking at trading in my 2017 2500 L5P on a 1500 LM2 badlander which comes with 325/60/20 (roughly 35s) I see the mpg people are reporting stock and that makes me happy especially having come from a leveled 2019 XLD28 prior to my L5P. My...
  5. 2020+ LM2 Duramax Powertrain
    Does anyone know the location of the crankshaft position sensor on the LM2 duramax. Thank you
  6. 2020+ LM2 Duramax Powertrain
    I just got a 2020 Chevy Silverado 1500 LT with the 3.0L Durmax, 4x4. Absolutely love it. I’ve been very attune to limiting idling after remote start on cold mornings (interesting fact my 2017 V6 would time out and shut off the engine after remote starting, my 2020 diesel where long idles are...
1-6 of 6 Results
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