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overactive traction control


gm11ply

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hi all has anyone had there yeti updated then had the cars traction control go mad (lots of wheel spining and flashing tca light ).

its only since the update that its happened ?????.

 

any help would be good

rickie in edinburgh

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What Update, do you mean you Yeti was in for'The Fix' ?

 

Was your car in for a service and the technician increased your tyre pressures, and then the colder weather also came?

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yes the fix and pass on inflating tyres , it could be the cold weather but its been doing it since it was serviced 2 weeks ago , i put it down to the ecu needing to re learn how i drive .

my understanding of the 4x4 system is if it sees wheel spin it should send drive to the rear and the system should power back at least thats what it did before the fix , now it just keeps spinning like the t control is not telling the throttle to back off .

thanks for your thoughts

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yes the fix and pass on inflating tyres , it could be the cold weather but its been doing it since it was serviced 2 weeks ago , i put it down to the ecu needing to re learn how i drive .

my understanding of the 4x4 system is if it sees wheel spin it should send drive to the rear and the system should power back at least thats what it did before the fix , now it just keeps spinning like the t control is not telling the throttle to back off .

thanks for your thoughts

 

I would take it back to the dealers and tell them.

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As Graham says. The 4x4 Haldex is controlled by the ecu. Others on here have had issues whereby the 4x4 system has been deactivated for some reason and has had to be reset. Unfortunately there is no warning light to tell you this has happened. As the 'fix' is essentially a remap I suspect there could well be a link.

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Obvious if there is a fault you go back to the Workshop that did the 'Fix' on behalf of the Volkswagen Group.

 

It would be good to know from the OP if the car was only in for 'The Fix' or also servicing and maintenance and The Fix was carried out.

 

As for checking if the tyres were inflated and maybe over inflated while getting a 'health check' at the workshop, 

it is winter and tyres need pressures checked anyway, it is a sensible thing for drivers to know what pressure their tyres are at.

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Maybe!

 

The OP is asking if it did with others.

But was his Yeti getting the Haldex serviced when the Yeti was in, or the DSG or anything else done or just an Oil & Filter & Inspection Service done?

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Maybe!

 

The OP is asking if it did with others.

But was his Yeti getting the Haldex serviced when the Yeti was in, or the DSG or anything else done or just an Oil & Filter & Inspection Service done?

In Australia stability control was made mandatory for all new car sales some ~ 5 years ago.

Being, along with airbags, fundamental to secondary safety, it makes you wonder if all the electronics in the drive train can fail, and therefore take out the SC system.

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In the EU Stability Control was finally compulsory on new cars from late 2014 after years of Manufacturers charging extra as they had it as an extra cost option on some models, the VW Group famous for doing that still while other manufacturers were fitting it to all models even the cheapest they sold.

http://theaa.com/motoring_advice/electronic-stability-control.html

 

The OP has the front wheels spinning it sounds like and the Traction Control light flashing. *More than before the Yeti was in for its Service.*

Part of the same ABS system, and TCS is something that the Owners Manual explains how and when to switch off in certain conditions, 

snow & ice if needing to get moving, when snow chains are fitted etc. Need to rock the vehicle,  It differs on different vehicles and systems.

Edited by Offski
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In the EU Stability Control was finally compulsory on new cars from late 2014 after years of Manufacturers charging extra as they had it as an option on some models,

the VW Group famous for doing that.

 

The OP has the front wheels spinning it sounds like and the Traction Control light flashing.

Well that's normal, so long as the TC is actively controlling the situation, if not, and the wheel is spinning, it's a fail.
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He says it is acting more than it used to be, flashing up the warning light.

Like when you have ECO tyres on some cars and the likes, or people tune cars and get lots of torque etc and have rubbish tyres.

 

The 'Warning Light' should show on start up and stay on if there is a fault.ABS/ TCS / ESP etc

Is there only Front Wheel drive working now will be what needs checked out.

It needs checked out if different after The Service & The Fix was done.

(For 20 pence you go to ASDA filling stations and see what the Technician inflated the tyres to if you do not have a means to check at home with the car outside.)

 

If The Fix has changed the cars behaviour that will be of interest to many no doubt.

Edited by Offski
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I've wondered about this since owning the car when it has occurred a number of times in the Yeti when having to accelerate harder than usual in certain damp/slippery road conditions at lower speeds on roundabouts etc the Tcs has cut in with the light coming on ,the natural reaction is to reduce revs,light out but perhaps I could put this down to a "Yeti niggle " of not having any lights "on"when haldex is active and have wondered how long tcs would stay active before haldex takes over,part of this could be down to my knowledge (or lack of )experience of haldex in action when driving off road ,although I have the 4x4 Yeti I did not get it for the soul intention of going off road and to be honest this is my 3rd (4x4) but my experience on continual driving with (4x4) active for say a continuous time is negligible ,so perhaps some of the experiences (4x4) drivers could enlighten me but without too much ( haldex v 4x4 angle) unless it's really needed.

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hi all has anyone had there yeti updated then had the cars traction control go mad (lots of wheel spining and flashing tca light ).

its only since the update that its happened ?????.

 

any help would be good

rickie in edinburgh

 

 

Your symptoms sound to me very like what Sampo reported in this thread, which turned out to be a Haldex problem.  If the wheels are spinning then the TCS is supposed to kick in - that's what it's for.  If the Haldex is working properly then it should be much more difficult to get the wheels spinning (AIUI the Haldex reacts within a fraction of a revolution of the wheels, I don't think the TCS is quite that sensitive).  Hence it sounds to me like a Haldex problem.

 

That said, it has been quite frosty in Edinburgh recently, so maybe reduced grip is contributing to the problem.  Especially if, as others have suggested, the garage managed to set the tyre pressures too high.

 

I'm not aware of any other reports of problems of this nature arising from 'the fix' so I would strongly suspect that the garage have either stuffed up your tyre pressures or inadvertently mucked up the Haldex in some way.  Take it back and ask them to sort it would seem to be the best advice.

 

Out of interest, which garage did the work for you?  As a fellow Edinburgher, I'd like to be able to avoid them if they turn out to have caused the problem.  (I realise that there's only a couple of candidates locally.  I already have my suspicions!)

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Roads were extremely slippy around here the last couple of days after huge down pours of rain and hail washed mud and leaves onto the road + brough the oil and grease up to the surface. Could even get my 1.2 to slip when prodding the throtle with my hoof. So yoy may have a 4wd or a traction control problem but could equaly be as simple as the road conditions changing or over inflated/ worn tyres.

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The only time I've had overactive traction control was when I had the last set of tyres fitted and they managed to fit the wrong size (lower profile) on two of the wheels so (I suspect) the TC thought those were spinning

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OK guys I got the yeti in June ,all was well with it , it went in for a 40k service and got the fix applied , on the service they changed the handbrake guide .I put my code reader on it thus morning ,heldex clutch open circuit .so it will be at the dealer Monday morning so they can plug it back in???.

I will let you guys know what happens

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as far as i am told if you dont get the fix done you wont get your next mot , so if you happen to have spent ££££££££ on getting your car ecu chipped its ££££££ down the pan ?????

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as far as i am told if you dont get the fix done you wont get your next mot , so if you happen to have spent ££££££££ on getting your car ecu chipped its ££££££ down the pan ?????

I think someone has been 'having you on'! I don't think the MOT even measures NOx.

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