Service engine soon code reader connection?

1995 OLDSMOBILE CIERA
91,000 MILES • 2.6L • 6 CYL • 2WD • AUTOMATIC
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MRADEBAUGH
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  • 1 POST
The connection to check service codes does not look like any I see on the internet. There is no B connection.
Aug 31, 2023 at 1:30 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,694 POSTS
Can you upload an image?

This guide should help:

https://www.2carpros.com/articles/buick-cadillac-chevy-gmc-oldsmobile-pontiac-gm-1983-1995-obd1-code-definitions-and-retrieval-method

Please go over this guide and get back to us.


Aug 31, 2023 at 9:06 AM
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