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  1. K

    TCM Compatibility 4L80E/Scooby Doo mystery

    So, I bought a "2001" HMMWV, which has a 4l80E in it which has an EPROM. The vehicle was in limp mode, and the TRANS light was on, but would not launch diagnostic codes. removed TCM which is contained in a 'waterproof' box, to find it is nearly filled with water. I removed the TCM and lightly...
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