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Thread: ls3 crate p0512 code starts and dies

  1. 02-02-2016 #1
    ivmotorsports
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    ls3 crate p0512 code starts and dies

    It has been running for a couple weeks. I added a vent valve and FTP sensor so evap monitor will be enabled, now it won't run. I can't find the antitheft in the new revision, maybe that's it. Anybody seen a p0512 code before?

    gmpp operating system 19257237
    Last edited by ivmotorsports; 02-02-2016 at 06:46 PM. Reason: added info
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  2. 02-04-2016 #2
    ivmotorsports
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    Anybody know where the VATS tab is in the new revision? That has to be the problem, crank and cam patterns look great, data shows good cranking RPM, but no injector pulse and no spark.
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  3. 02-04-2016 #3
    Jon S.
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    There is no VATS in a GMPP OS. Given that it was running OK for a few weeks, and now is not running after some inputs were added to the ECM - it is likely a wiring issue.
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  4. 02-08-2016 #4
    ivmotorsports
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    I would tend to agree, but it runs when I reinstall the original tune. The only changes I made was enabling codes for vent and FTP. I emailed tech support and am waiting for their guidance. I know these GMPP files are a little funky.
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