GMC Sierra 1500 shifting issues
I have a 2009 GMC Sierra 1500 that has been acting weird lately. When I
come to a rolling stop (Yield) or take a corner slower, when I hit the gas
after that, the RPM's will climb up, and my speedometer stays at 0. If I pull
over, put the car in park, then back into drive, it goes back to normal.
Sometimes I wont notice its doing this, then do another rolling stop, and it
goes back to normal
It also acts up in reverse, sometimes when backing up (like up a hill or in
mud or slush) the truck will feel like it kicks out, then it sounds like a
winding noise after that with the RPMS stick around 4k. If I put it into park,
it goes back to normal.
Anyone ever run into something like this?
Check the transmission fluid level. You may want to change the ATF and the transmission filter.
I did check it last night, the color of the fluid was reddish pink, and it was filled to the correct line (checked both hot and cold). I hooked it up to a computer I have and a code came up for a transmission speed sensor fault. I do now notice that my cruise doesn't work also. Could this lead back to the sensor?
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