Stabilitrack, abs, traction control. Help!
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Stabilitrack, abs, traction control. Help!
I have a 2009 Tahoe LTZ-290k miles. Put a new transmission in it back in July. Got it back and after a week, it started going crazy-Stabilitrack, abs, traction control lights all lit up, gauges started going crazy, car locks were going on and off, car won’t shift out of second gear. Took it back to the guy who did the trans-the put a new TCM in-still doing it. I had a bad TPS sensor-replaced that today. I put aftermarket struts on a few months before the transmission change, not air ride-bypassed-didn’t have any issues. Had a bad tie rod replaced today, thinking that could be an issue since it was causing the front to pull in-tire wear on the outside of the tires is very heavy. Did an alignment. Took it somewhere else and they replaced the abs module (wasn’t it)-they ended up working on it for 2 months to try and fix it to cover the cost of the $2400 part it didn’t need. I thought it was going to be fine-suspension light was on but that went away after alignment. And it started going crazy again. If I pull over and turn it off, then turn it back on and put it in manual, I can usually get down the road ok shifting between 1,2,3-but after a bit of stopping at stop signs etc, it will go crazy again and will again not shift out of second-the light under the gears doesn’t even light up showing I’m in drive or manual. I’ve had the wheel speed sensors checked (supposedly) and replaced the two in the back-I’m in to this car about $17k since March, and I’ve had it back for roughly about three weeks since that time. They put in another new TCM two days ago and thought it was fixed, but ya back to doing what it was. Someone please help me. I love this car, but y’all-I am in way too much money now to just drive it off of a cliff. Anyone have this issue???
Last edited by CLC2099; Nov 14, 2025 at 6:33 PM.
CF Beginner
Joined: Nov 2025
Posts: 8
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I have a 2009 Tahoe LTZ-290k miles. Put a new transmission in it back in July. Got it back and after a week, it started going crazy-Stabilitrack, abs, traction control lights all lit up, gauges started going crazy, car locks were going on and off, car won’t shift out of second gear. Took it back to the guy who did the trans-the put a new TCM in-still doing it. I had a bad TPS sensor-replaced that today. I put aftermarket struts on a few months before the transmission change, not air ride-bypassed-didn’t have any issues. Had a bad tie rod replaced today, thinking that could be an issue since it was causing the front to pull in-tire wear on the outside of the tires is very heavy. Did an alignment. Took it somewhere else and they replaced the abs module (wasn’t it)-they ended up working on it for 2 months to try and fix it to cover the cost of the $2400 part it didn’t need. I thought it was going to be fine-suspension light was on but that went away after alignment. And it started going crazy again. If I pull over and turn it off, then turn it back on and put it in manual, I can usually get down the road ok shifting between 1,2,3-but after a bit of stopping at stop signs etc, it will go crazy again and will again not shift out of second-the light under the gears doesn’t even light up showing I’m in drive or manual. I’ve had the wheel speed sensors checked (supposedly) and replaced the two in the back-I’m in to this car about $17k since March, and I’ve had it back for roughly about three weeks since that time. They put in another new TCM two days ago and thought it was fixed, but ya back to doing what it was. Someone please help me. I love this car, but y’all-I am in way too much money now to just drive it off of a cliff. Anyone have this issue???
For me it was the yaw sensor which attached to the top of the transmission.
Perhaps try recalibrating the stability sensors, or change the central yaw sensor. Changing the transfusion may have sent it doolally.
Here’s my ClubFrontier post about it, it might sound somewhat familiar.
https://www.clubfrontier.org/threads...2#post-4101167
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