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How to interpret these ECB light codes?

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by Mykola2022, Nov 21, 2024 at 12:09 AM.

  1. Mykola2022

    Mykola2022 Junior Member

    Joined:
    Jul 3, 2022
    11
    3
    0
    Location:
    St Louis
    Vehicle:
    2010 Prius
    Model:
    Two
    This is about Prius 2010, 142K miles.

    I got three blinking lights on the dashboard after starting the car yesterday. Then I used the "shortening" method described in other threads, and thoroughly read all the codes. Two of the lights produced meaningless codes, which just redirect to ((!)) ECB light codes, which were:

    11, 52, 56

    The vehicle drives normally, no noticeable changes.

    What do these codes mean?