B2290-EO Airbag light on

Tiny
FORGED_TRUNNION
  • MEMBER
  • 2007 MERCURY MILAN
  • 3.0L
  • 6 CYL
  • 2WD
  • 145,000 MILES
My airbag light has been on for about 6 months. I finally took it to a dealer and they said that the weight sensor and whole new track need be replaced, for around $1,100.00.

My question is, will the airbag still deploy/is it safe to drive with a passenger if there is an issue with the weight sensor?

And looking at the DIY option.
I can get an FJDS sub to reprogram the module for $50.00/3 days and I can buy a $100.00 IDS/FJDS compatible device?
I can get the OCS module for $160.00 but I can't find anywhere to buy the sensors themselves. Just trying to consider my options.

Is paying the dealer to fix it my only option?
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Wednesday, November 25th, 2020 AT 5:04 AM

3 Replies

Tiny
KASEKENNY1
  • EXPERT
I attached the testing for this code if you would like to run through it and double check to make sure they didn't miss a wiring issue.

Assuming they are correct and it needs these sensors, then you will need to replace the rail assembly as it is one system.

However, paying the dealer to do it is not your only option. You can try to find a cheaper part and find if someone will do it for less then what the dealer is charging.

As for what will happen with the air bag. It is safe to drive but the passenger side air bag will not deploy if in an accident. I say it is safe only because nothing will happen to put you in danger but if it were me, I would want the system operating properly in the event there was an accident. So I would get it repaired one way or the other.

Let me know if you have questions. Thanks
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Wednesday, November 25th, 2020 AT 9:09 AM
Tiny
FORGED_TRUNNION
  • MEMBER
Thank you!

I didn't think to ask this before, but is there any way to short the sensor to thinking there is always a passenger?

Basically I just want it safe for the passenger.
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Wednesday, November 25th, 2020 AT 9:33 AM
Tiny
KASEKENNY1
  • EXPERT
Unfortunately there is not. This is a sensor based on resistance so shorting it will not tell the module the correct info to turn the light off. That only works on two wire switch style sensors. Meaning ones that are either open or closed. You can just jump those and close the circuit but these that is not possible. If you want it safe for the passenger then you need to repair the vehicle so that module knows the weight of the passenger. If they are too light it will turn the airbag off. If not then the airbag will deploy. Current state the module just thinks whoever is in the seat is too light so it turns the airbag off.
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Thursday, November 26th, 2020 AT 9:41 AM

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