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Type: Posts; User: bwoolford13

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  1. Replies
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    replaced ECM

    When I would scan my TCC I could see the ecm saying it was engaging the TCC but it would not actually lock. I could engage the TCC with hptuners and it would lock that way.
    I didnt want to buy...
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    Anybody have any input ?

    Anybody have any input ?
  3. Replies
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    3,438

    Another TCC no lock issue

    Hello all
    I have a 4l60 and TCC will not lock up.
    Troubleshooting that has been done.
    1:Brake switch verified good suppling 12v to ecm pin 33 blue connector. Push brake 0volts.
    2:Misfires maxed...
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