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'02 996 Airbag light on with Belt Tensioner Error Code 23


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Sorry I can’t help. But Joe, Loren, or Jeff will probably know.  Alternative is a visit to your local stealership for a piwis and wheel removal. Again, good luck. 

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On 8/21/2019 at 8:43 PM, Loren said:

Fault 23 

 

Possible cause of fault:
- Incorrect coding
- Short circuit to B+/ground or open circuit in the wiring between the driver's seat belt tensioner and the control module

 

 

I assume that to test the wiring I just check resistance between the harness at the airbag control module and the harness at the seat belt tensioner? It looks like connector A2 should be the one. Am I missing anything else obvious that should be checked? If there is indeed a break in the connection then can I just run a new pair of wires directly from the harness back to the driver's side belt pretensioner? I have heard that there is some wiring in the steering wheel or is that not related to this?

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4 minutes ago, obin robinson said:

I assume that to test the wiring I just check resistance between the harness at the airbag control module and the harness at the seat belt tensioner? It looks like connector A2 should be the one. Am I missing anything else obvious that should be checked? If there is indeed a break in the connection then can I just run a new pair of wires directly from the harness back to the driver's side belt pretensioner? I have heard that there is some wiring in the steering wheel or is that not related to this?

On thing you are not considering is that the control module itself may be involved.  If that is the case, you are going to need a sharp tech and access to the PIWIS system.

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10 hours ago, JFP in PA said:

On thing you are not considering is that the control module itself may be involved.  If that is the case, you are going to need a sharp tech and access to the PIWIS system.

I swapped in another control unit from another car and I still get this error. I am confident I have it isolated to the wiring HOWEVER I suppose it is possible that the other control unit had the same defect.

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