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Unable to lock car with solution

Discussion in 'Gen 4 Prius Care, Maintenance and Troubleshooting' started by Frankemtp, Nov 15, 2020.

  1. Frankemtp

    Frankemtp Junior Member

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    Yesterday, I could not lock or unlock my 2019 Prius LTD. I was able to gain entry and discovered that my battery pack for my cell phone was still plugged into my power port. I believe that this created some type of feedback loop. Once I unplugged it, all returned to normal. Thoughts?

    Posted via the PriusChat mobile app.
     
    #1 Frankemtp, Nov 15, 2020
  2. alanclarkeau

    alanclarkeau Senior Member

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    It'd be interesting to re-try it - to check that was the actual cause, and not some freak coincidence.
     
    #2 alanclarkeau, Nov 15, 2020
  3. Frankemtp

    Frankemtp Junior Member

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    Four Touring
    Well, I tested again and same problem. Is this a defect in the software, hardware or something to just live with? Thoughts?

    Posted via the PriusChat mobile app.
     
    #3 Frankemtp, Nov 16, 2020
  4. The Professor

    The Professor Senior Member

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    Wow. I've had exactly the same problem with the same cause. Also if I have my old phone charging on the passenger seat it triggers the TPMS alert after half an hour.

    In both cases, I'm pretty sure it's just interference from the devices. Both chargers and phones produce a lot of RF interference at lot of frequencies (GSM, 2x WiFi bands, BlueTooth, NFC, etc).

    SM-T813 ?
     
    #4 The Professor, Nov 16, 2020
    alanclarkeau likes this.
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