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Communities > Diagnostics > Asian Cars > 2020 4Runner relearn question.
2020 4Runner relearn question.

1180 Views 0 Replies Create Time: 2020-12-24 00:58:30


  •   Level 2   
    (10) points

    2020-12-24 00:58:30
      When doing a relearn procedure through OBD, what is supposed to display once you successfully read all four tires (spare doesn't have TPMS)? It doesn't advance from there, even when plugging in the OBD cable and turning ignition on.

    I also tried the same procedure for my 2019 4Runner with the same result. The unit reads all four tires, but after turning on ignition and plugging in the OBD cable nothing happens. I was expecting to see something like "upload codes" or "uploading data" or something. The unit never indicates either a successful or unsuccessful upload.
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