Where is the Input speed sensor located?

Tiny
DM870
  • MEMBER
  • 2011 GMC SIERRA
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 165,000 MILES
I’ve been dealing with some irregular rough shifting with my truck. Code reader says transmission input sensor, cruise control also does not work. Any help on locating this would be greatly appreciated. I was told it is in the pan behind the manifold.
Monday, August 28th, 2023 AT 7:33 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 50,303 POSTS
It looks like the input and output sensors are serviced together and they are located inside the valve body. So, you will need to remove the transmission pan so you might as well change the filter. Here is how to change the sensors and filter out:

Automatic Transmission Fluid DEXRON VI

Check out the images (below). Please let us know if you need anything else to get the problem fixed.
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Tuesday, August 29th, 2023 AT 1:17 PM

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