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  1. Replies
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    1,102

    I guess no one is using efilive to program a new...

    I guess no one is using efilive to program a new ecm. I got a new ecm, flashed great, vin change seems to have worked. Won't start. CEL flashes. P0602 control module not programmed. Can't find any...
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    1,102

    Program a new ECM

    I'm might be looking at replacing my ECM. I believe this is the part number #12633238. Truck is a 2012 Silverado with 5.3L afm. I would like to know if I can program it with efilive, or if I would...
  3. You got me thinking. This is not the original...

    You got me thinking. This is not the original transmission for the vehicle. It is out of a 2012 Acadia. I did hook up and read the TCM that was in that transmission, it has an OS of 24261871. And...
  4. Thank you for the warning. Luckily it didn't...

    Thank you for the warning. Luckily it didn't brick my tcm. Also luckily I have other vehicles to use, and don't really go anywhere anyway. My goal is to have a good reliable vehicle that my wife can...
  5. Efilive version 7 full flash was grayed out, but...

    Efilive version 7 full flash was grayed out, but it looked like it would work in v8. The other TCM I have is a different os all together, so it won't work to flash one of these to it. It is the...
  6. I was reading through the tuning manual, and...

    I was reading through the tuning manual, and found where it says efilive personal version can not be used to change an OS. I've had my V2 for about 8 years, I think, but I would assume it would be a...
  7. I found a tuning file with OS 21249179 from a...

    I found a tuning file with OS 21249179 from a Camero. I don't see anywhere to change the TCC applied pressure in it. In fact I don't see any more options than I have with my factory OS.
    I...
  8. If I'm reading the T43 sticky on changing the OS,...

    If I'm reading the T43 sticky on changing the OS, then any of these OSs should work for me.

    24244551,24249042,24253414,24249179,24251030,24249 833

    And one person said that 21249179 should be...
  9. Currently the OS is 24249042. Switching to a...

    Currently the OS is 24249042. Switching to a camero OS is one thing I've heard working for others, just not specifically for an Acadia. Is that possible for me to try? How would I go about doing...
  10. T43 Acadia Transmission Tuning for TCC locking and Unlocking

    I have a 2008 Acadia, which I rebuilt the engine. In testing it out, I've found the TCC locking and unlocking constantly at mid throttle and cruise. On moderate acceleration, once it hits 3rd gear,...
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    Fine Tuning using Scans

    I have a good tune in my LBZ, and it has been great without issues until I replaced the turbo. I put in the stage 1 garrett and have had low boost under load. Especially while towing. I am also...
  12. Is there any update with this. I just got my...

    Is there any update with this. I just got my Flashscan V2 and would like to do a relearn. I'm guessing you still can't do the FastLearn like the tech 2, but what can I do to help get my shifts back...
  13. Changing Options Like Body Control Module Stuff

    I'm new to EFI Live, I got it for my Duramax and it did everything I wanted.

    I now want to use it to tune my Dad's '08 6.0L 2500hd. He lives 4.5 hours away from me, so I can't really just play...
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    Tuning for 2008 6.0L LY6 in 2500HD

    I am hoping to get EFIlive for my Duramax soon, and have questions about using it on my dads 2008 2500hd 6.0l.

    What gains in HP and Torque can you expect from a good tune for the 6.0L?

    What...
  15. Replies
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    8,234

    The one diagram is a multi-coverage diagram. It...

    The one diagram is a multi-coverage diagram. It covers the 4L60 and the 4L70 as well as the 4L80. I guess it won't be a problem.
  16. Replies
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    That wouldn't surprise me a bit, but why is it in...

    That wouldn't surprise me a bit, but why is it in the diagrams?
  17. Replies
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    4L80-E 3/2 shift solenoid

    Does anyone know what the 3/2 Down solenoid in a 4L80-e does or if it can be ignored and left out?

    I got a transmission from a '95 and am getting ready to put it into a '92 that already has a...
  18. Replies
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    3,753

    As soon as I can afford the EFI Live tuner I can...

    As soon as I can afford the EFI Live tuner I can save it, but unless the military decides to give me my disability money without another fight I won't be getting EFI until around June. If I could...
  19. Replies
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    3,753

    I don't believe it shuts down 4 cylinders, but...

    I don't believe it shuts down 4 cylinders, but not sure. It is the newer style truck, matches '09s. I don't know all of what fuel economy mode does, but one thing it does is drop the alternator...
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    3,753

    It is under warranty, but they can't figure it...

    It is under warranty, but they can't figure it out, and won't replace parts they don't know are bad. So I'm trying to help pinpoint the problem so they can replace the bad part. I think his...
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    Problems '08 6.0L K2500HD

    I don't have EFI Live yet, but will soon for my truck. But my dad is having problems with his gasser. I was wondering if EFI live can monitor what the ECM is telling the Alternator to do on his '08...
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