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Thread: 2014 E92 standalone questions

  1. #11
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    Dorman 902-310 is the fan control relay number, and I believe it's expecting PWM- signal. I haven't messed with it for a while, but let me know if you make any discoveries with it.

  2. #12
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    Quote Originally Posted by RC1 View Post
    Dorman 902-310 is the fan control relay number, and I believe it's expecting PWM- signal. I haven't messed with it for a while, but let me know if you make any discoveries with it.
    will do.

    do you know much about the TCM side of things?

    This guy is still getting a no start after I tuned the car. I did have trouble trying to read the TCM and I'm concern it isn't communicating on the bus. I'm going to head back over and try to look at it- hopefully it's simple.

    Assuming the TCM is communicating, I know it is from a 2016 where the ECM is a 2014 file. Obviously have different vins. Could this cause a no start?

    I watched it build fuel pressure on the high pressure pump while cranking so I know it has fuel. I just need to figure out why it won't fire off.

  3. #13
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    When I originally did my swap, I used the VATS patch file that was supposed to work, but it took some conversation with Ross to get him to have a look. As it turned out, he needed to make a modification to that file for the car to fire.
    As for the year/VIN issue, I don't think that should be a problem, mine is a 2015 E92 and a 2011 Camaro TCM, different VINs but no communication problems

  4. #14
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    Quote Originally Posted by RC1 View Post
    When I originally did my swap, I used the VATS patch file that was supposed to work, but it took some conversation with Ross to get him to have a look. As it turned out, he needed to make a modification to that file for the car to fire.
    As for the year/VIN issue, I don't think that should be a problem, mine is a 2015 E92 and a 2011 Camaro TCM, different VINs but no communication problems
    OK cool.

    I attached both the stock read and the modified file. maybe you or Ross can take a look?

    modified
    Authur B E92_0000.ctz

    stock
    Authur B E92.ctz

  5. #15
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    On the bench I had to use a termination resistor(120ohms) across the can wires to communicate with the t87.

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    Quote Originally Posted by In-Tech View Post
    On the bench I had to use a termination resistor(120ohms) across the can wires to communicate with the t87.
    Was this without an ECM?

    The ECM has a resistor and forms ‘one end’ of the bus IIRC. Most people I have spoken to says the additional resistor isn’t required, but maybe it is? LT1swap says it is... so maybe I can try adding one.

  7. #17
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    Confirmed the car will start and run with starter fluid.

    So it has spark but isn’t firing the injectors. This seems like a common issue from research regarding the tune file patch.

    Can someone please confirm the tune file above will run standalone?

    Thanks

  8. #18
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    getting 125-130 rpm off the starter. 10.2volts on scan tool.

    I read somewhere that 150rpm is required. Does anyone think this could be the problem?

  9. #19
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    Quote Originally Posted by RADustin View Post
    Confirmed the car will start and run with starter fluid.

    So it has spark but isn’t firing the injectors. This seems like a common issue from research regarding the tune file patch.

    Can someone please confirm the tune file above will run standalone?

    Thanks
    Anti-Theft on the E92 kills both spark and fuel, if you are getting spark maybe it thinks there is another issue that is making it shut the injectors off.
    Your file looks good, VATS Patch applied and Starter Diag disabled.

    Have you done a DTC check after trying to start it?
    I no longer monitor the forum, please either post your question or create a support ticket.

  10. #20
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    Quote Originally Posted by GMPX View Post
    Anti-Theft on the E92 kills both spark and fuel, if you are getting spark maybe it thinks there is another issue that is making it shut the injectors off.
    Your file looks good, VATS Patch applied and Starter Diag disabled.

    Have you done a DTC check after trying to start it?
    I think there is a few U codes from the missing modules. Also ambient temp is -140 since the mirror/bcm is missing.

    That was my next step... to go and try to turn those off.

    Think that may be it?

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