Lift with VSC answer.....

They said they saw it as a safety issue , that they would try to address

Maybe it's a Canadian thing

 

I have had my light come on when the alignment was off; the system monitors the speed of each individual tire and the associated theoretical yaw of the truck. If it doesn't make sense to the truck, the light comes on. This condition can happen from tires moving at different speeds from things like tires having a different effective diameter due to them not lying on the pavement at the angle it was designed to be at.

I have been through a bunch of vendors products

UCAs: All Pro (liked least), Camburg (liked most until I got my ICONs), TC's and ICON billets

LCAs: Stock and TC standard length

Now I have the LCAs eccentrics in a neutral position and all the alignment has been done using the adjustment of the ICON UCAs. No lights and alignment numbers are dialed right in!

 

I don't know if this will help any or even be applicable, but it might be worth a shot to some.

We have a 08 Nissan Xterra that the Nissan version of VSC light would come on. We took it to the Nissan dealership twice to have them look at it and fix the problem. All that they did was hook it up to their scan tools and basically reset the system. Well that would only work for a few days and the light would come back on and report that VSC system not working properly. They also said it had nothing to do with the steering wheel or whatever.

Anyway, little long here, I did some research on some other forums with similar problems. Appears that when parking and turning off the car fast after putting in park and having the steering wheel turned at some point affected the steering angle sensor or something (over my head at this point). I thought, well, that might be relevant as when my wife pulls into the garage she has to make a hard right turn and she almost never pulls the wheels back straight. Hmmm...

Anyway, the simple fix that I did for our Nissan (might not be relevant here, but just adding some info that may or may not help). Find a straight section of road in a neighborhood or somewhere. Come to a complete stop with the steering wheel and wheels pointed dead straight. Turn car off and back on. Put truck in lowest drive setting (because you have to drive super SLOW, a crawl. I would even consider not touching the brake or gas) and drive straight SLOWLY, do not turn the wheel at all, for about 100 feet (or longer likely). Something like that. I did this in the neighborhood on a long section of straight road (had to try twice as first time I couldn't go straight long enough without running into grass) and the damn VSC light went off and has never been an issue again. I think it just needed to know the truck was going straight for a specific number of wheel rotations to check itself and make good with it's last reported readings. And maybe under a certain speed because I for sure had driven this thing on the highway straight for over a mile.

Not saying this is the fix for your Tacoma or not, but it might help, and if so. Awesome. If not, well, damn, I was hoping I could help.

 

I did a 3 inch lift on my 2012 DCSB and both lights are on mine. The dealer said it threw a 1405 code "speed sensor" or something on the passenger side front. He tried to clear it twice and it didnt work so they will be diagnosing it in the next few days. I got the truck aligned after the lift and that did not fix the issue so I will have to wait and see what happens. Anyone know what a speed sensor costs?

 

Dealership diagnosed the issue and it turned out to be a bad speed sensory on the front passenger side. They ordered a new one and will be replacing it next week. I hope this fixes the lights being on.

 

Dealer replaced the sensor and the 2 lights are still on. They are looking at it again tomorrow so I hope it is resolved.

 

Dealer called today and said a wire was stretched and they replaced it under warrenty and now the 2 lights are off. I'm picking it up after work today so if the lights are still on I will update the thread and try to figure something else out.

 

It is fixed. Turned out to be a stretched wire that plugs into the speed sensor. No more issue.

 

Bringing this tread up again. I was having the VSC sensitivity after larger tires and an alignment. I decided to bring my truck to a dealer and have them do the VSC Calibration because the tire shop said they didn't have the toyota scan tool....

Well long story short the toyota dealership broke something and I'm trying to figure out what it might be??? After the calibration the ABS light remains on.(Track light is off it's just the ABS). They tried for 2 hours to troubleshoot and fix the truck with no luck. I couldn't leave it because I need it for moving this weekend. They promise to look at it again on monday but I'm hoping one of the Toyota Techs here might have an idea what these guys did wrong?

When I went to the dealer the VSC was just sensitive, no constant lights everything was ok computer wise... They agreed that if I had an alignment done when the tires were put on I should have them do the VSC calibration. What wrong steps might of they done to make the ABS stay on and not allow them to clear it? I've checked fuses, I've tried using my cheap-o scan tool to reset codes, nothing works, could they have fried the ABS computer just doing a VSC Calibration?

Any advise would be great...even if it's don't go back to the same dealer, LOL! I figure right now I have to go back so I don't get charged for their mistakes...

Thanks...

 

I reviewed the Toyota troubleshooting material I have, and while useful and technical, it is somewhat generic. From what you described [ a single ABS Warning light] it points to a malfunction with ABS, EBD, or Brake Assist. Either way, the dealer is on the hook for fixing it, so make sure they do!

• ABS Warning Light - Lights up to alert the driver when the skid control ECU detects a malfunction in the ABS, EBD or Brake Assist.

 

Hey all.
Figured I could beat a dead horse on any one of thirty threads about this crap, so I don't know why I picked this one.
I know for the most part this has to do w/ lifted trucks and larger tires...
We live in the mountains w/ sharp curvy roads. And yes, had there been a logging truck in the oncoming lane (which they tend to ignore those stupid yellow lines in the middle of the road anyway), my wife probably would have been killed several times over from the Taco making the decisions.

I have noticed it in different turning scenarios, typically a hard right hand turn w/ a dip or rise in it.
It will trigger on occasion on a left hand turn, but rarely.
I have hit hard flat right turns to test it and no VCS...and other times it does it...
Honestly, I hate this shit, ABS is bad enough but tolerable, this crap is for the birds....The button doesn't do shit, it's always over 30mph.

Anyway, has anybody tried the mod that the Tundra guys do to the sensor?
My current lift is more of a leveling kit, but looks to me like it squats in the ass end, so I wonder if by adding spacers to the rear of the VSC sensor under the seat if it would trick the ECU to thinking the angle was more like stock.
So anybody try this yet?
If not, I'll guinea pig it.

I'm running 285's on FJ-TRD's, 1" spacers up front (it did it before the spacers, but saw the rub on the arm(s)).

Did it w/ 265's at first but cleaned itself up

'09 4x4dr SR5 w/ TRD suspension.

...And OZ, the truck is out of warranty and I'm not gonna pay to play, looks like the dudes busting out cash are hitting 50/50...Fuckers won't even fix the cracked DRL lenses.

Happy new year all!
Learned a lot from you guys, I've just never had any content to add.

 

The VSC should stay " off " over 30 mph if you hold it for 5 seconds

It will re-engage at 30 mph if you just push it

 

I have pushed it when starting and held it...nothing, at all.
Pushed it until the LSD light goes out (in park) and held for 5+, the light is on, but it still chugs in the same turns.
I'm also gonna check for stretched wires...but there was no suspension change when I did the tire change.
(BTW, I enjoy reading manuals).
Does anybody know if disconnecting the battery will zero out the ABS ECU?

 

Pretty sure that just disconnecting the battery won't do it , you have to reset it by the method posted in the pdf in the OP

 

Been a while since my post. It took some time for parts, repairs but lucky my dealer has done everything under warranty though I have larger tires and a 2"lift.
For my situation after the lift and tires the VSC would go off on every turn on the roads to my cabin. Highways exit and on ramps not so much.
They first diagnosed a miss alignment and aligned the truck but did not reset the VSC. Not until I read these threads was I able to go back and ask them to reset the VSC. When they did this many lights came on. ABS, VSC off, and I forgot the third light. They diagnosed this to a faulty YAW sensor. This is the tricky part the faulty YAW sensor was setting codes for Speed Sensors and the Yaw Sensor. However this device failed it was creating False Codes. Lucky they did not just swap parts, they did check every speed sensor and recalibrate but would come up with the same and different codes every time. I don't know how the ultimately decided the YAW sensor was the problem?
After replacement of the YAW (Which btw is VERY EXPENSIVE and not readily available or at least not where I am).
With the replacement of the YAW recalibration all is good again. I have no false skid control issues anymore. Skid control works as I went 4wheeling and it went off a few times while out.

Anyone having sever problems and I mean 80%+ of the time should have an alignment done and a reset. If that doesn't solve your problems ask them to diagnose the YAW sensor.

Also, after the lift and after an Alignment even though we can assume the YAW sensor was fault I never had any warning lights until the Calibration was tried.

Aren't Computerized cars and trucks so grand???? - Not.

 

My dealer would not do this under warranty. I made sure they documented my opinion that this was a safety issue and that the lift was not causing the wheels to brake, the VSC was!!!


Th vehicle is braking without the brake lights on. If I get rear ended I have a hard time believing that Toyota isnt responsible after it was brought to their attention. If a lift component fails and causes an accident they are safe, but if the VSC locks up my wheels and causes an accident, I am not sure how safe they will be.

 

Pay them to do it

 

My VSC went off when I first done my lift, but it seems it learned or something cause it doesn't ever go off anymore.

When I first done my lift it bout killed me a couple times...but haven't felt it for a while now

 

If it was THE solution I wouldnt mind paying for it. But it is a guess that has only worked some of the time, and I can do the guess myself with a piece of wire, why would I pay for that?

BTW: My "lift" is a 1.75 billie 5100's and a 1.5 AAL. We are not talking 6 inches here.

 

Have you guessed yet ?