Codes $7e9 and $7e8

2014 KIA SORENTO
155,382 MILES • 2.4L • 4 CYL • 2WD • AUTOMATIC
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SMITHLINDSEY
  • MEMBER
  • 1 POST
Was driving and car shut off completely. Couldn’t get it to start again. Disconnected and reconnected battery. Car still won’t turn on and showing these codes.
Jun 19, 2022 at 8:21 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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BORIS K
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 836 POSTS
Hello,

7E8 and 7E9 are not direct fault codes but submenus.
7E8 is for powertrain control.
7E9 is for transmission control.

You will need to use a suitable diagnostic tester to read out both subsystems

How to:
https://www.2carpros.com/articles/can-scan-controller-area-network-easy

Cheers, Boris
Jun 20, 2022 at 5:35 AM
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