Multi Error Messages 2018 prius

Discussion in 'Gen 4 Prius Care, Maintenance and Troubleshooting' started by Resonate, Jan 11, 2026 at 11:45 AM.

  1. Resonate

    Resonate New Member

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    2018 Toyota Prius One

    Malfunction of parking assist, lane departure, pre-collision, APGS, tire pressure, air conditioning, power windows. Only engine error code is lost communication with active grill shutter module.

    I'm hoping it might be a fuse but I've been unsuccessful at pulling the fuse. The little plastic fuse pullers at auto stores are to big.

    If it's not a fuse it's there any way you guys might suggest figuring out the issue myself. I don't really have the money for a big repair like the bcm and diagnostic right now.
     
    #1 Resonate, Jan 11, 2026 at 11:45 AM
  2. bisco

    bisco cookie crumbler

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    any trouble codes with tech stream? you could run an ohm meter across the fuses for continuity. any of the cameras/sensors dirty?
     
    #2 bisco, Jan 11, 2026 at 2:47 PM
  3. Resonate

    Resonate New Member

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    I'm not sure about the tech stream or how I would check that . The sensors are/were dirty. But I did try to clean them. But would dirt sensors really cause all those systems to fail?
     
    #3 Resonate, Jan 11, 2026 at 3:14 PM
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