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> Reset AirBag after crash

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moxb
post 22 Jan 2025, 11:55
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Hi, everyone.

I had a frontal crash with my Logan, unfortunately, and airbags deployed.

Car now doesn't want to start until airbags (crash data) are reset.

I don't want to put new airbags, since they are expensive, just to reset existing one.

What is the way to do it?
Is it possible via OBD to reset?

Thank you.


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einstein1984
post 22 Jan 2025, 12:31
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You need to delete crash info in injection ecu so it can start- (clip can do that, so can DDT). That will not make airbag ecu serviceable again. Some people can do that and put out awl, but I woudln't drive a car that didn't replace it's airbag ecu after a crash

This post has been edited by einstein1984: 22 Jan 2025, 12:31


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moxb
post 22 Jan 2025, 16:14
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Sorry, can you explain a little bit more?
I am not familiar with those devices and software.

What is DDT?
What exactly should I do, is that done via OBD?


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einstein1984
post 22 Jan 2025, 16:45
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yes, it's a diag software used via obd plug.


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moxb
post 22 Jan 2025, 17:04
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QUOTE
That will not make airbag ecu serviceable again. Some people can do that and put out awl, but I woudln't drive a car that didn't replace it's airbag ecu after a crash


If I understood correctly, via OBD airbag ecu can't be fixed.
But I read online that it's possible by repogramming it's chip.

This post has been edited by moxb: 22 Jan 2025, 17:05


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einstein1984
post 23 Jan 2025, 08:14
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The second sentence you quoted says just that. But saying it's "fixed" is bulshit.


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moxb
post 23 Jan 2025, 11:25
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Of course it will not be fixed, just circumvented.


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moxb
post 24 Jan 2025, 13:30
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If I install same airbag from another vehicle (second hand), will that work?
What needs to be done?

I was checking today faults with Torque via OBD, and it showed nothing.
The airbag light is ON.


This post has been edited by moxb: 24 Jan 2025, 16:19


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einstein1984
post 29 Jan 2025, 09:48
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airbag ECU needs tio be replaced, even if airbag is replaced.


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