Check engine light

2004 BUICK CENTURY
270,000 MILES • 3.1L • V6 • 2WD • AUTOMATIC
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DEWEY SEAMAN
  • MEMBER
  • 1 POST
Where is post a and b on my diagnostics?
Jul 15, 2018 at 1:18 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
Good afternoon.

Can you be more specific on what you mean?

Do you mean the data link connector?

Roy
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Jul 15, 2018 at 4:47 AM
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