The codes on my 93 240 are read from the SRS light on the cluster using the SRS test port in the center console. The OBD under the hood is not used AFAIK.
I followed these instructions.
I have no trouble reading and resetting the SRS light. I usually have to disconnect the battery for a while and read codes multiple times before it will reset.
The issue is that it comes back on after a short time with the same code - 5 blinks.
I'm searching for the best way to narrow down the cause and resolve it.
Thanks.
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