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Airbag light is constantly on, codes P1860 and P1861

Tiny
LL30080
  • MEMBER
  • 2010 TOYOTA HIGHLANDER
  • 120,000 MILES
My husband had to disassemble our dash to repair our A/C (he is an HVAC Tech). Now, our airbag light is constantly on. Dealer assessed and said the airbag harness to passenger airbag needs to be replaced. An independent mechanic pulled codes p1860 and p1861. He mentioned problem with spiral cable and/or knee airbag issue. He is in not interested in working on it due to liability (I assume) and I understand his hesitation. Just checking to see if anyone knows of any potentially easier (and less costly) fix. I did not know if it is possible a wire was not connected properly, or something along those lines. Thank you!
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Friday, October 19th, 2018 AT 11:21 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Hello,

It sounds like the passengers side airbag needs to be connected or he has got the connector on wrong. Here is a video of how to connect the airbag:

https://youtu.be/VflcXgWKhqw

You can test the harness by following this guide and the airbag wiring diagrams below.

https://www.2carpros.com/articles/how-to-check-wiring

It is a real time system so once the connection is fixed the light will go out.

Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.

Cheers, Ken
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Saturday, October 20th, 2018 AT 12:02 PM

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