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Thread: Are the CM2450 ECM readable?

  1. #1
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    Default Are the CM2450 ECM readable?

    If using the bypass cable is it possible to pull the stock file from the truck? Seems very hard these days to get stock files. Would one be better off reading it with Calterm and converting it to EFI Live?

  2. #2
    Forum tyhee Site Admin GMPX's Avatar
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    I don't believe CalTerm can do a full usable read either, even via the J1939 port.


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    Ya, I need to find software that will pull the full file in raw form so it can be converted in EFI Live. Seems to be hard to find base files for the newest trucks. I have multiple customers who would like tuning but I have no way to currently provide it.

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    We get bin files sent in from some European tuner product (I guess whoever makes KTAG maybe) - "Hey I can't load this up in EFILive", but these seem to be missing sections of the flash as well, very odd how they could even work.


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    Quote Originally Posted by Twistedshafts View Post
    If using the bypass cable is it possible to pull the stock file from the truck? Seems very hard these days to get stock files. Would one be better off reading it with Calterm and converting it to EFI Live?
    Complete an OBD read, provide the part numbers that you're looking for. I can help with stock files in ctz form.

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    CM2450
    Calibration ID: M2370131MB
    OS: 52219301

    See if you possibly have this one.

  7. #7
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    That is not mapped in EFILive, but what an odd CAL-ID and OS number. Is there anything unique about that vehicle?
    Closest I've seen to that is:

    52.21.03.01 - 52370131AG << EFILive supports
    yours would be
    52.21.93.01 - M2370131MB << What's with the 'M' in the CALID?

    Like it is a special configuration.


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    I know I thought that was really strange. I have never seen that before. I thought maybe you would know. It threw me off as I have never seen one start with a letter. Here is the VIN: 3C6UR5SL2MG674929. I don't know if that would help figure out why this one is different than any other.

  9. #9
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    Sorry, I wouldn't know where to start to see what the difference is based off the VIN.


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    Took a picture of the tag on the PCM of that truck with the weird calibration identification. Will this help figure out a base file for the truck?
    CM: Cm2450B
    P/N 4384696
    S/N 5115070
    ESN 59547381
    E/C IA80062.01

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