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  1. You are probably right Tony, just wanted to see...

    You are probably right Tony, just wanted to see if anyone had done it off-board yet. I agree with you, I don't understand how GM thinks this process deserves all this security. Even their system...
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    452

    It sounds like a likely corruption. If you ship...

    It sounds like a likely corruption. If you ship it to us, we can probably do a factory restore.
  3. 2016+ LML Factory Programming on a bench harness

    12662677 SN.

    For 2016, SPS appears to prevent ECM-only programming. When I tried, SPS tried to locate the TCM, apparently they have to be programmed in the same operation. Has anyone run into...
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    44,487

    For 06 and 07 MD trucks, it is not practical to...

    For 06 and 07 MD trucks, it is not practical to simply reprogram your TCM, but we have a service that exchanges your 5-speed TCM for the 6-speed coded TCM you are needing. It is a straight forward...
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    2,209

    Mitch what you want is possible if it is an...

    Mitch what you want is possible if it is an medium duty 06-07 5-speed, but not practical to try and do it with your TCM. It requires a TCM swap, a service we provide. Your TCM cannot be converted...
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    4,348

    I ran into a new snag on the ever changing...

    I ran into a new snag on the ever changing TIS2WEB protocols. It appears to be no longer possible to bench program an LML ECM ONLY (2016 in my case). This is not about an offboard programming error...
  7. I am pretty sure the scanner is not license...

    I am pretty sure the scanner is not license specific.
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    1,897

    [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...
  9. 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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    1,983

    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...
  16. 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...
  18. 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.
  20. 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.
  23. 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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