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Car will not start after airbag deployed

Tiny
JORDAN814
  • MEMBER
  • 2010 BMW 328
  • 3.0L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 93,000 MILES
Airbag deployed car will not start. Minor front end damage.
Wednesday, February 14th, 2018 AT 1:14 PM

3 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
I believe there is a special fuse right at the battery that automatically blows upon airbag deployment. You have to get it from the dealer.

There are numerous things that have to be replaced after a deployment, including the airbag module and it is possible that could disable starting also.
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Wednesday, February 14th, 2018 AT 3:14 PM
Tiny
JIS001
  • MECHANIC
  • 3,408 POSTS
Just wanted to add, during a bag deployment the SRS module sends a signal to the engine control module to shut the fuel pump off to avoid a risk of fire. After repairs are done, the system needs to be reset using a factory or similar type of scan tool to give the okay to start
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Wednesday, February 14th, 2018 AT 10:04 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
The airbag module cannot be reset after a deployment. It has to be replaced.
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Thursday, February 15th, 2018 AT 2:08 AM

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