How to get the codes from check transmission light flashes?

1999 ISUZU TROOPER
190,000 MILES • 3.5L • V6 • 4WD • AUTOMATIC
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T99
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Hello, have 1997 transmission manual and says short out 2 wires in a white connector under the center console but nothing about 1999 trooper. Wondering how to get the codes from check transmission light flashes.
Thanks.
Jan 5, 2021 at 9:39 AM
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STRAILER
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Sure, this is done like a normal engine scan. here is a guide that will help you get the codes:

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

Let us know what happens and please upload pictures or videos of the problem.

Jan 6, 2021 at 10:25 AM