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Thread: ReWriting Questions...

  1. 04-12-2015 #1
    CrazyAndy1984
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    ReWriting Questions...

    I had a customer bring me a PCM that was thought to be from a 2001 Silverado with 5.3/4l60e DBC. He wanted a basic VATS delete to get his project going. Further work to be done later. I hook up to it and read it and its a 2001 Silverado with 4.3/4l60e and DBC. I'm fairly knowledgeable with the software but this is a gray area for me. Can I just " Write Entire" with an entire tune that is for a 5.3? Would it be better to look for the correct PCM for his motor? Just trying to help him out and save a few dollars. Thanks in advance!!
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  2. 04-12-2015 #2
    2xLS1
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    Without knowing what you have licenses for it's hard to say if you'll save him any money. A 0411 is a 0411 whether it has a 4.3L cal or a 5.3L cal in it. You will have to have a license for both what is in it now and for what you want to flash it with.
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  3. 04-13-2015 #3
    CrazyAndy1984
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    Thanks for the reply. The 4.3 PCM serial #12200411. Is there any way to find serial #s on what I already have licensed without having the PCM in front of me?
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  4. 04-13-2015 #4
    2xLS1
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    12200411 is the pcm service #. That has nothing to do with what you have licensed. You license individual vehicle pcms and/or vehicle full model years.
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  5. 04-13-2015 #5
    CrazyAndy1984
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    Ok. I did a little more research and figured a lot out. I appreciate the info!! Thanks!!
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  6. 04-18-2015 #6
    gregs69c10
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    can u tell us what u found Im in the same boat I made mine work but not sure if its correct or not im getting a high idel when u let off the gas
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  7. 04-21-2015 #7
    CrazyAndy1984
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    I was able to Rewrite an entire different computers info that i already had licensed. Simple fix. Is your high idle when its in park? Im far from a pro, but a high idle after you let off throttle while driving, try adjusting Throttle cracker disable and enable. If its in park, try adjusting the Idle airflow table.
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  8. 04-23-2015 #8
    gregs69c10
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    the neutral safety switch is not being used so it does not know what gear its in but I only notice it in park or neutral
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