Blind spot monitoring system error on dashboard - help

Discussion in 'Prime Main Forum (2017-2022)' started by John Bishop, May 16, 2025.

  1. John Bishop

    John Bishop New Member

    Joined:
    Apr 18, 2025
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    Location:
    Des Moines
    Vehicle:
    2022 Prius Prime
    Model:
    Limited
    I bought a 2022 Prius Prime Limited from a car auction. It was in an accident, which affected the front and side. I replaced passenger headlight, passenger front door (entire door), and grille. The car looks and drives good now.

    However, there's an error showing at the dashboard "Blind Spot Monitor System Malfunction". It seems strange given the radar sensors are located on the rear end of the car, which was unaffected.

    Does anyone has any suggestion to solve this problem?

    Thanks!
     
  2. John Bishop

    John Bishop New Member

    Joined:
    Apr 18, 2025
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    Location:
    Des Moines
    Vehicle:
    2022 Prius Prime
    Model:
    Limited
    I had to replace my 2022 Prius Prime Limited passenger front door. I bought an used door from a 2022 Prius Prime XLE, which came without the mirror. I transferred the mirror from my damaged door to this new door.

    Now there's an error at the dashboard for blind spot system and after scanning the car with my ODB reader it says "Blind Spot Monitor Slave - C1AB5 - Open in Outer Mirror Indicator (Slave)".

    Now I am wondering if the XLE door does not possess the wire, if there's a problem with the mirror, or something else.

    Does anyone have any idea where to start to solve this issue?

    Thanks!
     
  3. John Bishop

    John Bishop New Member

    Joined:
    Apr 18, 2025
    5
    0
    0
    Location:
    Des Moines
    Vehicle:
    2022 Prius Prime
    Model:
    Limited
    My ODB reader it says "Blind Spot Monitor Slave - C1AB5 - Open in Outer Mirror Indicator (Slave)".

    Now I am wondering if the XLE door does not possess the wire, if there's a problem with the mirror, or something else.
     
  4. Tideland Prius

    Tideland Prius Moderator of the North
    Staff Member

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    Threads merged.
     
    Prodigyplace likes this.
  5. John Bishop

    John Bishop New Member

    Joined:
    Apr 18, 2025
    5
    0
    0
    Location:
    Des Moines
    Vehicle:
    2022 Prius Prime
    Model:
    Limited
    Update: The Prius Prime XLE door does not come with all the wires connecting to the mirror. I had to remove the wires from my older door and install into the new door. Now it works perfectly. Nicely done Toyota, you saved 0.001 c.
    Moderator, you can close this topic.