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    New Suncoast build throwing codes p0751, p0843, p0877

    I didn't think the tcm would go out because it worked before the build. I checked all the wiring schematics and there all correct and they all ohmed out correctly. It has all new fluid in it yet it still throws these codes.
  2. A

    New Suncoast build throwing codes p0751, p0843, p0877

    So I recently had a local guy build up my transmission with the Suncoast gmax 3 and I had him replace almost everything else in the process. We got the trans back in and started it up and it's now throwing codes p0751 p0843 and p0877 while it's in park. When shifted it then throws codes p0761...
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