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Recommended Posts

Posted

My airbag light started to shine for some months ago.. when my driving chair was removed!

When i went to the dealer,, they couldnt erease the fault code....

seems like my airbag unit has gone bad...

can i use a used airbag box from another car if the number is the same?? or are they bound to the car?

Simon

Posted (edited)

There is a common problem with the seat belt switch contacts going bad causing the light to stay on. Did the dealer say it's definitely the whole unit that is bad? What's the year?

Edited by deliriousga
  • Admin
Posted
The car is a Boxster S -00, yes the dealer sad that the codes couldnt be ereased, and the airbag unit was probably the cause..

Simon

I think the airbag as the cause is highly unlikely unless the airbag went off. The seat belt contacts are a very common problem and the dealer should have a TSB with instruction on how to fix them. If that TSB has not been done to your car then I really question this dealers ability to work on Porsches.
Posted

thanks for the reply

im talking about the airbag triggering unit. sry if i was unclear

*They werent investigating it, they just had a quick look with the computer..

They werent even able to erase the code! If it was a fault elsewhere, the codes should be ereasable and then come back! But it was like the unit was locked....

Simon

  • Admin
Posted

So if I understand - it is the triggering unit under the drivers seat - and it coincided with the removal of the drivers seat?

Hmm... all the cables are plugged back in? and the control unit has not gotten wet?

Also, did the dealer say what the airbag fault code number(s) were?

Posted

The triggering unit is placed in the lower dashboard, triggering unit also is the one who saves all codes.

The dealer who i used aint that experienced with Porsches, but they do got the testing equipment.

I just found out that if the fault code is named 100 or above then is it a faulty triggering unit (internal fault), gonna call the dealer and see if they have saved the fault codes somewhere... most likely they have not! and a trip to them is about a 2 hours drive :cursing:

i have bought a used triggering unit, thinking of testing it in the car..

it shares the same number as my car but come from another vehicle.

My car is a Boxster S -00, and the donators is a 2,7 -99 but has 4 airbags aswell.

if i buy a new trigg unit they have to bound it to the car choosing the amount of airbags, and then locking it. But the one i bought is already locked amnd with the same amount of airbags like i said.

What do you think is it a stupid and dangerous move to make? i think it should work! Dont wanna ask my dealer, i dont thrust their knowledge

Thanks

Simon

Scandinavia

  • Admin
Posted

The only listing for an airbag fault 100 says to replace the triggering unit. Here is what the service manuals says about replacing the trigging unit:

If the triggering unit is replaced, the data record for the appropriate vehicle must be loaded with the Porsche System Tester 2 and the triggering unit must be locked. The warning light flashes before locking. The warning light goes out after locking was performed successfully (if no fault is present).
Posted (edited)

But the used trigg unit i got is already locked for a similar vehicle.. so shouldnt it work?, what do you think about it Loren?

Thanks

Edited by SimonPBS
Posted

I can tell you what caused your light to come on, because I did the same thing. You must have had the ignition on when you took the seat out. I was working on my car too as soon as I turned the iginition on the air baglight came on. That's the cause of the light coming on. :censored:

  • Admin
Posted
But the used trigg unit i got is already locked for a similar vehicle.. so shouldnt it work?, what do you think about it Loren?

Thanks

I don't know that it can be unlocked and then relocked... or perhaps reprogrammed and then locked?

I guess you won't know until you try. If not, then you will need a new trigger unit..

Posted

yes im gonne try it out,

A locked trigg box cannot be unlocked (just found out).

Things you have to program before you lock a new trigg unit is: the amount of airbags and carmodel. The used box i got is already programmed for a similar vehicle... So my hopes is high :)

Post the results when im done.

Thanks

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