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SRS Fault Code 900

posted by  someone claiming to be SJP on  Tue Mar 16 04:09 CST 2004 [RELATED]

We have a 1993 940NA. Turned it on this morning and the SRS light stayed on. Went to FAQs on the Board. Checked the codes as it discusses. Got a 1-1-2 code, "internal fault in the sensor unit."

Couple of questions.

First, the FAQ refers to a button on the "B" box. I have no button or light on the "B" box, only on the "A" box. But there are numbered slots on the "B" box, just like the "A" box. I followed the instructions and inserted the selector lead in the "B" box slot 5, but but used the "A" button and light. Hopefully this is the same, otherwise there is no way to check the "B" box codes.

Second, where is the sensor unit? Is it difficult to replace? How much does it cost? Any suggestions for parts suppliers with the best price?

Anyone have experiences with this?

Thanks,






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