Thread: Vehicle shuts down upon cornering

A couple of ideas. both regarding tires.

It could be possible that the DSC is working exactly as designed but:

1. The tyre pressures are not correct. If the pressure of only 1 tire is too low, it can cause the DSC to kick in very early due to the extra roll in the tire sidewall due to the low pressure. I have had this problem in the past. It goes away after re-inflating the tires to the correct pressure again.

2. Do you have original tires or have you replaced them with after market? I have heard stories about some cheaper tire brands causing the DSC to activate very early due to excessive sidewall flex. Have not experienced this first hand though.

Cheers,
Matt.

Forgot to say, that this does not explain why the other faults etc would occur at the same time. Sounds like there may be a faulty sensor somewhere that shows itself at those particular times. it is very common to have multiple unrelated faults show up when there is a fault with a sensor. This is apparently due to the interconnectedness of the different CPUs within the car.

Originally Posted by juddo

A couple of ideas. both regarding tires.

It could be possible that the DSC is working exactly as designed but:

1. The tyre pressures are not correct. If the pressure of only 1 tire is too low, it can cause the DSC to kick in very early due to the extra roll in the tire sidewall due to the low pressure. I have had this problem in the past. It goes away after re-inflating the tires to the correct pressure again.

2. Do you have original tires or have you replaced them with after market? I have heard stories about some cheaper tire brands causing the DSC to activate very early due to excessive sidewall flex. Have not experienced this first hand though.

Cheers,
Matt.

Cheers MAtt.

Interestingly the problem only came up the same day that I had a new tyre fitted to front of vehicle. Same type of tyre and the other front tyre was only new 500km previous, so similar tread height. I did not check the tyre pressure to be honest as I would have thought the tyre mob would check all tyre pressures at the time, but will now check themI wonder if the LR dealer does this as part of service?
Neil.

I should say that I have had General Grabber AT2's fitted for well over a year now and staked one 3 months ago but been off the road since till end of October. Had to replace the spare so got that done same day issue happened.
Replaced tyre with same GGAT2.
One reason put to me was that because vehicle had been sitting around for 3 months without regular driving is that battery may have gone off a little causing faults to occur. But have been driving solid for the past 3 weeks and no issues there.

get the alternator and its controlling stuff along with all of your earths checked....

funky voltages play merry hell with modern vehicles

It sound like the problem shows itself when going into a turn after some time driving, perhaps with no turns. As with the other posts, it could be a DSC or tyre thing, but in my mind, a wheel alignment.

If the steering wheel clockspring sends a signal that says the car is turning or not turning, and does that for any length of time, and the yaw sensor does not agree, plus the wheel rotation sensors see "wrong" answers, that usually causes warning lights and the suspension to drop to at least to access height rather than right down to the stops. You should also get messages saying DSC and HDC not available plus other scary unfun messages.

Then when you shut the engine down and restart, all is well for a while again.

Possible solution is a four wheel alignment and it can be the back wheels that are out of whack, not the front. Another indication is that the steering wheel is not at 12 O'Clock when going straight down the road.

Did the dealer re calibrate the steering sensor???
I have heard this can do funny things if the battery has been disconnected.

Check that the wiring loom behind the left front wheel hasn't come adrift from its mounting on the chassis and been chaffed by the tyre when turned hard left.