Replaced passenger side mirror
10

Asked by Bigmacva2024 May 20, 2024 at 02:46 PM about the 2018 Toyota Highlander XLE

Question type: Maintenance & Repair

Replaced passenger side mirror, , now my blind spot warning system does
not work. The new mirror has the feature, just doesn't work. Removed neg
battery post for 5 minutes to reset, but no help. Someone said needs
recalibration, $300 at dealer! The BSW sensor was not changed, just the
mirror. Any suggestions.

4 Answers
155,865

James answered 4 weeks ago

Unfortunately that's most likely the answer. I've heard of BMWs, for example, that need to be flashed (recalibrated) after replacing something as simple as a window or sunroof motor. Jim

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10

Bigmacva2024 answered 4 weeks ago

Thanks James. I just see why it would need to be calibrated. The mirror just gets a voltage from the sensor when something gets in the path. If I changed the sensor I would understand the need for calibration. Someone else said they found the new mirror to be at fault. I will read out the wires and see. Thanks again. Bill

1 people found this helpful.
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307,865

Gene answered 4 weeks ago

Yep James is right. But there are some independent shops out there that have dealer quality scanners that can recalibrate the BCM to recognize the new parts.

1 people found this helpful.
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