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Type: Posts; User: HATEHPTUNERS

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  1. Read This thread:...

    Read This thread: https://forum.hptuners.com/showthread.php?53385-4L80E-swap-in-2007-GMT900-E38-T42-TCM-OS-24239036 post #5..
  2. Mbray, I was taught by another tuner that there I...

    Mbray, I was taught by another tuner that there I am supposed to burn BOTH the PCM & the TCM at the same time with the tune from the 4l80e equipped vehicle, and then go back and WRITE ENTIRE the...
  3. Just an update.. NVRAM is now damaged in the PCM...

    Just an update.. NVRAM is now damaged in the PCM due to attempting to write an '09 file onto an '08 PCM. For those you out there.. Just one more "gotcha!" to watch out for. Tomorrow I'm picking up a...
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    I think I'm in this exact situation.. I just...

    I think I'm in this exact situation.. I just tried to flash an 09 Express van file onto an '08 Avalanche as we are doing an 4L80E swap.. When I go back and try and flash the original PCM programming...
  5. 2008 Avalanche Transmission Tuning Issue

    I've got an '08 Avalanche.. We are doing an 80E transmission swap. In the past, when I need to flash the TCM for the 80E programming, this is what we would do;
    1. READ and SAVE the original...
  6. Unlicensed Vehicle Message After Just Paying $100 To License It..

    I've got an '08 Avalanche.. We are doing an 80E transmission swap. In the past, when I need to flash the TCM for the 80E programming, this is what we would do;
    1. READ and SAVE the original...
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    2017 Silverado TCM Tuning Problems

    I've got a 2017 Silverado in my shop. We have rebuilt the transmission but find that there is a problem with Pressure Control Solenoid #3 on the TEHCM. I've plugged in HP Tuners and tried to read...
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