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Discussion Starter · #1 ·
Hi,

My airbag light just came on out of the blue, 2 weeks before the biannual inspection (MOT) so very good timing :-(

The error code is read by a Foxwell unit and states the following:

ID 45: DTC - Resistance in the driver's airbag firing circuit is too high

Is there anyone that could please advice for things to check?

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This is the car:

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Discussion Starter · #3 ·
Super clea E34 M5! 馃ぉ
Thanks! It's very nice to look at and has many new parts. Unfortunately I am struggling with some various issues now.

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Likely a pre-tensioner. Check the wiring under the seat as well, leading up to the tensioner. Re-set and see if it comes back.
 

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Discussion Starter · #6 ·
Does anyone know for sure where the location of the Control module for the airbag is on a 02/1992 E34 M5 3,8L?

We can't find it and Googling this topic hasn't yielded any precise information for me...
 

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You have an error in the firing circuit - which is a pre-tensioner - NOT airbag control module.
Do you have access to BMW software, like Inpa or ISTA?
 

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Discussion Starter · #8 · (Edited)
You have an error in the firing circuit - which is a pre-tensioner - NOT airbag control module.
Do you have access to BMW software, like Inpa or ISTA?
You are probably right about the control module, but I am not not sure what you mean by pre-tensioner. Are you able to be more specific?

We checked under the seat and we only see wiring for seat heating. My bro in law is helping me since he has a mechanic background and I am no mechanic at all. I am not sure what we are looking for but we feel we just see a connector to the seat heating.

No, I don't have access to that software
 

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Discussion Starter · #9 ·
I managed to solve the error. Under the steering wheel there are two orange connectors/plugs that are connected together. The left one goes down to the Airbag Control Module, while the right one goes to the steering wheel. The plug on the right has a blue and brown wire, and the blue wire had a bad connection because it wasn't properly attached. I don't think those orange plugs can be opened so I'm looking for a new (used) on in good shape.

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