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Thread: 10r80 always in park per log

  1. #1
    Potential Tuner
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    Jan 2021
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    10r80 always in park per log

    Current and commanded gear are always park, even when we are going 40mph. We think this is why we cannot get it to shift beyond 2nd.

    This is a new 3rd gen coyote crate from Ford with a 10r80.

    Where should the PCM be getting a signal that it is out of park?

  2. #2
    Advanced Tuner JaegerWrenching's Avatar
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    Jun 2018
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    Albuquerque New Mexico
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    Quote Originally Posted by Oldbronco View Post
    Current and commanded gear are always park, even when we are going 40mph. We think this is why we cannot get it to shift beyond 2nd.

    This is a new 3rd gen coyote crate from Ford with a 10r80.

    Where should the PCM be getting a signal that it is out of park?
    That sounds like a possible ford question, you should have a gear position sensor outputting a signal from your shifter going to the PCM and then to the TCM, possibly to both simultaneously. I'd double check all your wiring to the shifter and make sure no pins have been pulled out of the harness or bent not making proper contact.