diagnostic connector?

2006 CHEVROLET TRAILBLAZER
50,000 MILES • 6 CYL • 2WD • AUTOMATIC
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HAYES123
  • MEMBER
  • 1 POST
Is there a way you can give me the location for the diagnostic connector?
Aug 10, 2010 at 4:22 PM
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SQM
  • CAR REPAIR CONTRIBUTOR
  • 6,383 POSTS
Hello,

The diagnostic port is located on the driver side under the instrument panel.
If you look under the dash just left of the steering column you will see the port.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

See diagram and picture for a reference.

Please let me know of any questions.
Thank you.
Oct 4, 2021 at 11:08 AM
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