AT Check Warning Light

Tiny
DISCO19
  • MEMBER
  • 1 POST
  • 2003 INFINITI G35
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 109,000 MILES

I have a 2003 Infiniti G35 and the AT Check warning light come on today? What does this mean?

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Monday, December 6th, 2010 AT 5:23 PM

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Tiny
KEN
  • ADMIN
  • 13,857 POSTS

Hello,

This light means the transmission has had a problem with one of the sensors. In most cases it will be an input or output shaft speed sensor. The best thing to do is scan for trouble codes so we can be sure which sensor to replace.

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

If it is a shaft sensor this video will give you an idea of what you are in for when doing the job.

https://youtu.be/f3bETtCIdxM

Please let us know what happens.

Cheers, Ken

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Thursday, November 30th, 2017 AT 2:09 PM

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