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Home > Off Roading & Green Laning > DSC fault light comes on when off-roading
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sro



Member Since: 25 Oct 2011
Location: California
Posts: 68

United States 2008 LR2 i6 SE Auto Zermatt Silver
DSC fault light comes on when off-roading

I've noticed my DSC fault light comes on when off-roading (usually when loosing traction while climbing hills). Is this normal? The fault light goes off after the car regains traction. Installed a hitch, stock roof rack, mantec skid plates, General Grabbers AT2 255/60/R18, and a rear access ladder. Also made a hitch-mount for the winch. Looking to install a front hitch, rooft-top basket, and lift kit.

Tracking modifications and off-road experiences here: http://sam.odio.com/lr2/

Post #118256 27th Oct 2011 12:17 am
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alex_pescaru



Member Since: 12 Mar 2009
Location: RO
Posts: 4640

It's perfectly normal.
It tells you that the traction control is kicking in.
You can also find the response to your question at page 145 in the handbook.
If a wheel looses traction, ETC will operate the brake on that wheel until it regains traction.
The warning indicator will flash to inform the driver that TETC is operating.

Post #118258 27th Oct 2011 6:45 am
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mikehzz



Member Since: 04 Sep 2009
Location: Springwood
Posts: 749

Australia 2008 Freelander 2 TD4 SE Auto Lago Grey

If you are on sand then turn the DSC off, it just gets in the way and kicks in right when you don't want it.

Post #118282 27th Oct 2011 2:12 pm
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npinks



Member Since: 28 Jun 2007
Location: Ls25
Posts: 20090

United Kingdom 

not a fault light, its loss of traction indicator to tell you your spinning the wheels

i believe if there was a fault it light ups all the time Former Mod/Member, with the most post & Chicken George Arch nemesis

Post #118283 27th Oct 2011 2:15 pm
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sro



Member Since: 25 Oct 2011
Location: California
Posts: 68

United States 2008 LR2 i6 SE Auto Zermatt Silver

mikehzz wrote:
If you are on sand then turn the DSC off, it just gets in the way and kicks in right when you don't want it.


I've never completely understood that. In fact I recently asked a question about this over on landroversonly: http://www.landroversonly.com/forums/f41/q...post406271

It sounds like DSC focuses on maintaining control while cornering. It does this by reducing engine power and breaking the outside wheels. Turning it off when in a terrain response mode turns off the engine power reduction component. Wheel breaking of slipping wheels still occurs through ETC.

Is the only reason to turn DSC off to maximize engine power? Would one ever want to turn off ETC in sandy conditions? If so, why? It seems like breaking the slipping wheel is almost universally a good thing. Installed a hitch, stock roof rack, mantec skid plates, General Grabbers AT2 255/60/R18, and a rear access ladder. Also made a hitch-mount for the winch. Looking to install a front hitch, rooft-top basket, and lift kit.

Tracking modifications and off-road experiences here: http://sam.odio.com/lr2/

Post #118314 28th Oct 2011 1:06 am
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alex_pescaru



Member Since: 12 Mar 2009
Location: RO
Posts: 4640

On (soft) sand you can very quick loose momentum because of the braking effect that sand has on a car.
Therefore, a slight slip (when moving, of course) is sometimes a very small price to pay in contrast with loosing momentum.
In this situation, if you leave the DSC on, cutting engine power is not desirable at all.
Remember, DSC is the one you can turn off, the TC is always on.
The DSC system acts on two main directions: course correction during cornering and anti slip regulation (ASR).
The last one you want to disable by disabling DSC.

Post #118318 28th Oct 2011 7:16 am
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mikehzz



Member Since: 04 Sep 2009
Location: Springwood
Posts: 749

Australia 2008 Freelander 2 TD4 SE Auto Lago Grey

You get half way up a dune and lose all power to every wheel and all your momentum. Trust me, give it a go and you will understand. It happens under really heavy load.

Post #118320 28th Oct 2011 8:12 am
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