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Stabilitrac Issue from lift or tires

DKZ71

By DKZ71
in Modifications & Accessories

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DKZ71 Enthusiast

DKZ71

Posted
  • Author
Posted

What was the re-flash you had done for? I haven't had any service yet and am now reluctant, especially if I want to install a lift. However, if the flash is required (by GM), then I will be in the same boat you everyone else after the lift. It sure would be nice to know the root cause of this; hopefully soon!

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Payton34 Enthusiast

Payton34

Posted
Posted

I had the updated headlight bulbs and reflash done to put more voltage to the headlights. I don't know if it had any other system updates with it. I am just going to have to wait on BDS to figure it out. I was temped to go to the dealer to have then check the wheel speed sensors with a scan tool while driving when stabilitrack comes on but last time I was there they told me if there was something wrong with them I would get a service stabilitrack or service ABS message. I am beginning to think it really is not worth doing anything with trucks anymore. There are way too many sensors for everything that can be effected. I should have bought a Raptor where everything is done from the factory.

Maine-iac Enthusiast

Maine-iac

Posted
Posted

I have a 7.5" rough country lifted knuckle/ rear blocks kit. I run 35/12.50/18 tires on -12 offset rims. I noticed the stabilitrak issue immediately after the install. I also did the install by myself as well. Like most people are saying, it only occurs in tight turns and higher speeds. It does not happen a lot and doesn't really bother me, but if it can be fixed than that's cool......Figure it out guys :fingersx:

Maine-iac Enthusiast

Maine-iac

Posted
Posted

I have a 7.5" rough country lifted knuckle/ rear blocks kit. I run 35/12.50/18 tires on -12 offset rims. I noticed the stabilitrak issue immediately after the install. I also did the install by myself as well. Like most people are saying, it only occurs in tight turns and higher speeds. It does not happen a lot and doesn't really bother me, but if it can be fixed than that's cool......Figure it out guys :fingersx:

since my post at 1347 I have had two incidents. it was very consistent while my wheel was turned all the way to the left. Suddenly I am annoyed.

El_Diablo_John Enthusiast

El_Diablo_John

Posted
Posted

So unlike many of you, my issue has been constant. My light has been on since the first incident.

 

Mine was first triggered when I was merging onto the highway and punched the throttle and it's been on ever since. Turns out, I must have run over something while merging because when I went to check my speed sensor wires for nicks or abrasions I got quite a surprise on the drivers side. The line was cut clean through, not a nick, not a pinch, but it looks like someone took a knife and cut right through the wire.

 

So I guess with that I've found my issue, now I just need to figure out how to get ahold of a wheel speed sensor without having to replace an entire hub... sucks to have this happen with only 2k miles, I don't even recall running over anything but I was merging into traffic so I'm sure I wasn't 100% focused on what was in front of me but instead on the vehicles along side and behind me. :banghead:

El_Diablo_John Enthusiast

El_Diablo_John

Posted
Posted

For future reference, it appears that the correct part number for the front ABS sensor (works on both sides) is 20971873. Runs around $30 currently although I'm not sure what my dealer price will be just yet.

Maine-iac Enthusiast

Maine-iac

Posted
Posted

So unlike many of you, my issue has been constant. My light has been on since the first incident.

 

Mine was first triggered when I was merging onto the highway and punched the throttle and it's been on ever since. Turns out, I must have run over something while merging because when I went to check my speed sensor wires for nicks or abrasions I got quite a surprise on the drivers side. The line was cut clean through, not a nick, not a pinch, but it looks like someone took a knife and cut right through the wire.

 

So I guess with that I've found my issue, now I just need to figure out how to get ahold of a wheel speed sensor without having to replace an entire hub... sucks to have this happen with only 2k miles, I don't even recall running over anything but I was merging into traffic so I'm sure I wasn't 100% focused on what was in front of me but instead on the vehicles along side and behind me. :banghead:

Both of my ABS sensor wires are worn to the point that the inner wires are showing.... Could this possibly be causing a short when turning? Although I noticed it long before it had worn through the wire.. I may have to order two new ones and reroute them and/or secure them appropriately.

djjtmj12 New Member

djjtmj12

Posted
Posted

I had this happen on my 15. 2.5 rough country kit stabilitrak came on while turning left. Turned full lock crawled under the truck and found abs sensor cut almost all the way through. When you put the lift in the pitch changes to the point that the cable rubs on the inside of the wheel. I never took the cable out during install it stayed in the factory location. Found out the hard way that I should have checked the routing. Again this is only on the 2.5 can't speak for the bigger (better quality) lifts. talked to a buddy of mine that's a gm tech he said don't even try to bring it in for warranty. cable is only 30 bucks on gm direct parts. Definitely need to move the cable down on the clamp to stop from rubbing though.

El_Diablo_John Enthusiast

El_Diablo_John

Posted
Posted

The weird thing is, mine isn't rubbed through, pulled or worn. It looks like I took my knife and sliced it.

Both of my ABS sensor wires are worn to the point that the inner wires are showing.... Could this possibly be causing a short when turning? Although I noticed it long before it had worn through the wire.. I may have to order two new ones and reroute them and/or secure them appropriately.

Sounds like thats your issue.
Maine-iac Enthusiast

Maine-iac

Posted
Posted

The weird thing is, mine isn't rubbed through, pulled or worn. It looks like I took my knife and sliced it.

It is unfortunate you may never know what really happened, but what if it was something that has been there all along? maybe it got caught between the control arm ball joint and the knuckle? who knows. Although my wires are worn through people are still having issues without wear.

El_Diablo_John Enthusiast

El_Diablo_John

Posted
Posted

There wasn't any mud on the slice but there was mud all over the wire itself. It hasn't been there for long. I took the truck off road a few days before the incident and haven't been out since.

 

The people having issues, I was speaking with the techs at my dealership the other day. We're thinking that the yaw sensor is beyond it's maximum limitations for safe operation. This may be due to excessive lean angles or perhaps due to the leveling out of the truck that is causing the sensor to "zero out" in an in correct range.

 

A possible fix may be as simple as shimming the sensor. Until we have a truck we can study it's nearly impossible to tell however.

  • 1 month later...
Maine-iac Enthusiast

Maine-iac

Posted
Posted

I read someplace that you can get a programmer that disables this feature. I wonder if it can be done with a black bear tune? Can anyone chime in on it....perhaps Jenna from Blackbear?

 

 

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crafferty Senior Enthusiast

crafferty

Posted
Posted

I posted in here a while ago and since then I've noticed the stabilitrac issue more and more. For me it comes on in right and left turns but only in sharp turns. Sometimes if I'm turning and there is a sudden dip in the road and then it dips back up it will come on. Or if I'm at a dead stop on a hill and then make a turn and there is a dip in the road. So to me it seems like the sensor is triggered by angles. I also ran into a odd issue tonight when I was parking. I was backing into a spot and turn my wheel to full lock. The steering wheel bumped and resisted the turn like it locked but then allowed me to turn all the way. When straightening out it did it again. Turned off the truck turned back on and the issue went away. Needless to say I'll have to get under it tomorrow and check out these sensors. Other than this my BDS 6" kit with coilovers and leafs have been great. Although the leafs do squeak and creek I have found now that they have settled and the paint is warn off in areas that rub together.

 

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DKZ71 Enthusiast

DKZ71

Posted
  • Author
Posted

Anyone have any updates on the stabilitrac issues?

Payton34 Enthusiast

Payton34

Posted
Posted

Mine comes on less since I had the alignment redone but not as much. I am going to a BDS authorized installer next Wed to get my coilovers lowered an inch or so and they are going t o re align it again. Hopefully the way they align it will fix the stabilitrack issue.

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