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Thread: 2002 325i airbag light

  1. #1
    Join Date
    Aug 2018
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    2002 325i

    2002 325i airbag light

    Guys..sorry to make this my 1st post but I'm stuck and thinking what's next step on this issue...Currently have airbag light on 2002 325i.......i have a code (02 Belt Tensioner, Driver) and when I reset it, it immediately jumps to another code (04 Airbag, Passenger, stage 1). I changed out the tensioner and wiring back to the wire that goes under the carpet. I also took out cleaned the wires that goes to the airbag in the passenger door. Any thoughts on where the problem is?

    Thanks.

  2. #2
    Join Date
    Jul 2011
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    Arlington, VA
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    2018 BMW M240i
    What tool are you using to clear the code? How old is the car’s battery? Are you having any other electrical or electronic isssues?

  3. #3
    Join Date
    Aug 2018
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    2002 325i
    Can't remember the name of the scan tool but I picked it up on Ebay. It's definitely clearing the fault because the light goes off for a quick second and then comes back on again. No other electrical issues, everything works right. The car battery is a bit older but working well.

  4. #4
    Join Date
    Jul 2004
    Location
    Houston, TX
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    36 Cylinders
    Quote Originally Posted by brownrice78 View Post
    Guys..sorry to make this my 1st post but I'm stuck and thinking what's next step on this issue...Currently have airbag light on 2002 325i.......i have a code (02 Belt Tensioner, Driver) and when I reset it, it immediately jumps to another code (04 Airbag, Passenger, stage 1). I changed out the tensioner and wiring back to the wire that goes under the carpet. I also took out cleaned the wires that goes to the airbag in the passenger door. Any thoughts on where the problem is?

    Thanks.
    Code 04 is for the passenger airbag above the glovebox, not side airbag.
    -Abel

    - E36 328is ~210-220whp: Lots of Mods.
    - 2000 Z3: Many Mods.
    - 2003 VW Jetta TDI Manual 47-50mpg
    - 1999 S52 Estoril M Coupe
    - 2014 328d Wagon, self-tuned, 270hp/430ft-lbs
    - 2019 M2 Competition, self-tuned, 504whp
    - 2016 Mini Cooper S

  5. #5
    Join Date
    Jan 2014
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    1,005
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    04 ZHP, 83 320i, 00 M5
    More than likely your seat occupancy sensor is bad on your passenger seat or you have an issue with the electrical connection to it.

    Cheap fix is to search on eBay for a bypass.


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    _________

    1980 320i - Kashmir Metallic - Sold in 1993
    1985 535i - Cosmosblau Metallic - Sold in 1995
    1985 535i - 1985-06 - Delphin Metallic - Sold in 2016
    1983 320i - 1982-09 - Kashmir Metallic - Currently own!
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  6. #6
    Join Date
    Jul 2004
    Location
    Houston, TX
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    36 Cylinders
    ??

    A bad seat occupancy sensor would throw seat occupancy codes.
    -Abel

    - E36 328is ~210-220whp: Lots of Mods.
    - 2000 Z3: Many Mods.
    - 2003 VW Jetta TDI Manual 47-50mpg
    - 1999 S52 Estoril M Coupe
    - 2014 328d Wagon, self-tuned, 270hp/430ft-lbs
    - 2019 M2 Competition, self-tuned, 504whp
    - 2016 Mini Cooper S

  7. #7
    Join Date
    Aug 2018
    Location
    DC
    Posts
    3
    My Cars
    2002 325i
    i actually tired using a Ebay bypass on the passenger side but that didn't do anything. I figured it was a small investment..so why not...didn't do anything.

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