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TSB EG-0127T-1014 (SW update to avoid cylinderhead gasket failure)

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by OptimusPriustus, Sep 19, 2023.

  1. rjparker

    rjparker Tu Humilde Sirviente

    Joined:
    Jun 6, 2008
    8,162
    4,840
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    Location:
    Texas Hill Country
    Vehicle:
    2012 Prius v wagon
    Model:
    Three
    There are many temperatures in a Prius including two engine coolant sensors. These are the temps I monitor through obd2, in this case Car Scanner. There are others in the hvac and battery systems as well.
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