Blind Spot Monitor issue

jnprn2003 · Apr 3, 2014

So I decided to change over my white rear bumpers for chrome. I had to obviously change over the rear sonar sensors. I followed proper procedure when dealing with any electrical work. Battery disconnected, all sensors unplugged and removed without issue. New chrome bumpers installed and all put back together without issue.
Now I have the BSM lights in the mirrors constantly on when the truck is moving. They shut off once stopped. The parking sensor part of it work fine. Any thoughts?

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jr3volution · Apr 3, 2014

reflection of the road from chrome?

TacoBlack · Apr 3, 2014

thats why all the BSM trucks come with painted rear bumpers only. sonar cant work through the chrome. all you can do now is keep it turned off or put the painted bumpers back on.

BigTexTundra · Apr 3, 2014

^^^^^ What he said.

BSM does not work with chrome metal bumpers.

BSM only works with plastic bumper covers.

jnprn2003 · Apr 3, 2014

The bumpers on the limited are chrome and BSM is an option on them. The fronts are also chrome and have the sonar modules in them. Was curious is there is a certain angle the sensors have to be positioned in the bumper...?

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jtgarr · Apr 3, 2014

What you are referring to are the parking sensors in the front and rear which are completely different than the bsm and rear cross traffic sonar , the dealer told me it will not work through chrome as they are behind the rear bumpers. I have a limited with sonar and my bumper is white.

jnprn2003 · Apr 3, 2014

I may be SOL... LOL.

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jnprn2003 · Apr 3, 2014

My last tundra did not have any nannies so I used to driving without them anyways.

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Blind Spot Monitor issue

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