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Type: Posts; User: tunerpro

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  1. Yes, unfortunately. In Global A vehicles (like...

    Yes, unfortunately. In Global A vehicles (like this one), once the ECM is married to the vehicle, it is considered "locked". There is an SPS function for "preparing to remove" ECUs which might...
  2. "Gen V" generally refers to the current V8s which...

    "Gen V" generally refers to the current V8s which are essentially Gen IV plus DI. That's an engine family. Having said that, "Gen V" engine controllers use the same software code base that the LFX...
  3. I had their tune on my vsport, they definitely...

    I had their tune on my vsport, they definitely tune the transmission. I don't care how much torque table hacking you do, you can't make downshift tip-in points more aggressive that way.
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    Not to mention hacking the files would almost...

    Not to mention hacking the files would almost certainly be a violation of the end user license agreement...
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    With all due respect, the OP was referring to...

    With all due respect, the OP was referring to scanning, not tuning. Or so that's how I read it.
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    I would think they would have to add enhanced PID...

    I would think they would have to add enhanced PID support for that operating system in order to see anything beyond the SAE-mandated PIDs.
  7. It's pretty straightforward. The automakers want...

    It's pretty straightforward. The automakers want as little legal culpability possible if someone DOES hack their systems successfully. They need to be able to go into court and as a defense say,...
  8. Sooo, why not pull the CAN bus pins on the ECM...

    Sooo, why not pull the CAN bus pins on the ECM when the car is shut down? A simply relay circuit can do that. Or unplug OnStar
  9. Oh dear, do you have a P0300 code at idle? The...

    Oh dear, do you have a P0300 code at idle? The symptom combined with a P0300 sounds like the broken piston issue. I hope it's not that!
  10. That is very odd. Did you use the original TCM...

    That is very odd. Did you use the original TCM or a different one? Do the VINs match on the TCM and other ECUs? I ask because there was a GM bulletin back in 2010 or so when the first "Global A"...
  11. Sorry to hear that. If you used PayPal for the...

    Sorry to hear that. If you used PayPal for the payment, file a dispute. You will almost certainly win.
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    To clarify, while the T87 and T87A are...

    To clarify, while the T87 and T87A are pin-compatible, and use the same CPU, they are not 100% interchangeable. The T87A brought TWO things to us - a secure boot loader (which is why they need be...
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    Changing ECM and TCM VINs in "Global A" vehicles...

    Changing ECM and TCM VINs in "Global A" vehicles (like your Cruze) generally won't work once a VIN has been programmed in. There may be a procedure for "unmarrying" the ECU using SPS, but if would...
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    The power curves for those two engines are...

    The power curves for those two engines are totally different. For your application I would think the LV3 would be more suitable. The LFX needs to run at 6800 RPM for peak power and 4800-5300 RPM...
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    If they were smart they would have used...

    If they were smart they would have used asymmetrical encryption on the signature so even if the the boot loader is compromised, all you'd have is the [public] key which can only verify the signature...
  16. Thread: 2019 trucks

    by tunerpro
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    It's a good idea. Unfortunately it won't work....

    It's a good idea.

    Unfortunately it won't work. The connectors are different, the engines are different (they now have AFM hardware on EVERY cylinder), the ECU coms is probably different.

    Even...
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    Yes, so GM ECU security went from a design that...

    Yes, so GM ECU security went from a design that would have been questionably secure in 1985 to something that's considered modern day secure over the course of 1 model year. Two things happened.
    ...
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    Yes, it's an E99 which is part of a new family of...

    Yes, it's an E99 which is part of a new family of ECUs GM has rolled out. But, the problem is not rolling codes, the problem is that the flashes are digitally signed and only GM knows how to make...
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    I agree, pull the plugs. I've heard of that fuel...

    I agree, pull the plugs. I've heard of that fuel causing spark plug erosion. If the plugs are OK, I'd start wondering if there was an injector failure.
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    Not trying to start a debate here, but if that's...

    Not trying to start a debate here, but if that's the case then why did the tuning suites remove their diesel delete capabilities? By that same logic we should still be able to delete diesel emission...
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    Yes, that's how it works in the ZR1, but the E99...

    Yes, that's how it works in the ZR1, but the E99 is locked down and nobody has cracked it yet (or if they have it has yet to be announced). :(
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    E80 can communicate with the T87(A), but the E80...

    E80 can communicate with the T87(A), but the E80 is DI also, unfortunately. The only "latest generation" MPFI ECM I can think of is the E84, which is used in the Spark I believe, but it does not use...
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    An interesting point but then again hpt and their...

    An interesting point but then again hpt and their competitors removed the ability to do diesel deletes allegedly under pressure from the EPA. If the EPA was differentiating between "canned tunes"...
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    The injector drivers are part of the ECM. That's...

    The injector drivers are part of the ECM. That's why the DI ECMs got so much larger physically over the MPFI ECMs, to make room for those DI injector drivers and also provide sufficient cooling for...
  25. Ok, we can add another to the list of tuners that...

    Ok, we can add another to the list of tuners that lt1z350 has bad mouthed. :D
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