Transmission temperature sensor

Tiny
STONEWALL JACKSON
  • MEMBER
  • 2006 CHEVROLET UPLANDER
  • 3.5L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
I am looking for a diagram with the location of the transmission temperature sensor on my vehicle? The sensor became unhooked while replacing pressure switch and I do not see where the TTP is suppose to be. Any help would be much appreciated.
Sunday, September 10th, 2017 AT 7:11 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,137 POSTS
The transmission fluid temperature sensor is under the side cover.

Here is a diagram (below) of its location:

Remove the case side cover.
Remove the wiring harness assembly from the fluid temperature sensor (391).
Remove the fluid temperature sensor (391).

https://www.2carpros.com/articles/how-to-service-an-automatic-transmission

Please let us know what happens and upload pictures of the problem.

Cheers, Ken
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Monday, September 11th, 2017 AT 12:54 PM
Tiny
AMADO RIVERA
  • MEMBER
  • 1 POST
  • 2005 CHEVROLET UPLANDER
  • 3.5L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 184,000 MILES
Cannot find the sensor, is it inside or outside the transmission?
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Thursday, September 24th, 2020 AT 10:13 AM (Merged)
Tiny
STEVE W.
  • MECHANIC
  • 15,233 POSTS
Inside the transmission valve body cover at the bottom of the case, below the valve body. #391 Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
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Thursday, September 24th, 2020 AT 10:13 AM (Merged)

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