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  1. I am pretty sure the scanner is not license...

    I am pretty sure the scanner is not license specific.
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    [QUOTE=Blackdiamond;254707]Tried getting a stock...

    [QUOTE=Blackdiamond;254707]Tried getting a stock read off an 05 lly and got a communication error. Truck had no communication from ecm what so ever but everything else was reading. Customer had a...
  3. I can get it for you. But if you have a 2015...

    I can get it for you. But if you have a 2015 truck, are you sure you have an A50?
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    Thank you. I was not paying close attention to...

    Thank you. I was not paying close attention to everything but I will next time. Just using the cal flash unlock utility. Unlock the ecm after a few days, and full flash with another file in my...
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    Unlock script>>>>bricked ecms

    LB7 only. I have successfully unlocked 3 LB7 ecms using the script. What appears to happen is that the serial number is erased, becomes all zero's, rendering the ECM "not secured". Is this a...
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    In this truck, limp is almost always in 5th gear....

    In this truck, limp is almost always in 5th gear. Torque is what creates it. If you drop the tune 10-20 HP, and build an AL5 tune that prevents 5th gear below 2400 rpm (downshifts to 4th at higher...
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    I am assuming you have a MAF voltage calibration...

    I am assuming you have a MAF voltage calibration table? As well as MAF voltage PID. You will need to apply "known" rpm and boost values in a way to make that table accurate again. If you create a...
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    I empathize with the effort of reverse...

    I empathize with the effort of reverse engineering, it takes real dedication and gratification in immersion into the tedious. That said, with a diesel engine being basically a thermodynamic air pump...
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    The best way to recalibrate your gauge: 1. ...

    The best way to recalibrate your gauge:

    1. Run your truck out of fuel. Keep a container of diesel in the bed for when this happens.
    2. Head to service station with your log tool, parking your...
  10. I would ask the dealer. I doubt it is efilive...

    I would ask the dealer. I doubt it is efilive related. Coincidental failure possibly. What does your battery voltage read during idle?
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    Odd issue with TIS programming, 2015-16

    12658036 ECM, New

    This ECM was programmed for the customer using GM TIS. As it is a new ECM, I suspect that the 30 minute relearn was never performed. The following happened twice, both new...
  12. Have you considered getting the TCM tuned...

    Have you considered getting the TCM tuned properly? Since 06, the 6-speeds have never had an intelligent 4-5-6-5-4 shift pattern. 5-6 should never put the truck under 1800 rpm, nor drag down to...
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    If you need your ECM put back to factory file, we...

    If you need your ECM put back to factory file, we have a service for that.
  14. It's not an OS problem. If you want to send in...

    It's not an OS problem. If you want to send in the ECM's we can program them correctly to factory status.
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    Adrian, if you are just replacing the ECM, we...

    Adrian, if you are just replacing the ECM, we supply new and used replacements. You can send us the file you want in it, or we can install your factory file from the GM database. If you want to...
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    If you reload a stock tune, you may have your...

    If you reload a stock tune, you may have your answer.

    Also log your dsp voltage, as long as it is showing 5 values that make sense, you should be ok with another ecm.
  17. Yes, but it would be cheaper to swap ECM's

    Yes, but it would be cheaper to swap ECM's
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    To my understanding, as a slave device, the TCM...

    To my understanding, as a slave device, the TCM VIN coding portion is not important or relevant.
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    Is there some significance in using zeros???

    Is there some significance in using zeros???
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    1,565

    I did find another OS with a positive value that...

    I did find another OS with a positive value that DOES makes sense. But so far all ...594 OS files I have show 0.0. I checked 4 files from 07-08. This only came up because I am working a P0101...
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    I am using imperial but 12628594. The bulk of...

    I am using imperial but 12628594. The bulk of the LMM fleet. I will check others also.
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    C0903, lmm maf limits for p0101

    In the factory files I have looked at this "P0101 Upper limit threshold" is set to 0.00.

    I would expect a P0101 every time. Does this make sense to anyone else? MAF tables max out at 64 lb/min,...
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    It depends. We may be able to restore it...

    It depends. We may be able to restore it affordably. If this is not convenient then the quickest way is probably to purchase one programmed.
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    We have seen this many times through the years. ...

    We have seen this many times through the years. I don't think there is anything you can do, the symptoms are typical of corruption. We have occasionally been able to restore these on the bench...
  25. If you send your ECM to me, I can diagnose the...

    If you send your ECM to me, I can diagnose the status of it. If it has not been locked by an EFILive cable, then I can flash it to your factory configuration using your VIN. If it is locked, then...
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