LR Discovery 3 traction control..... interesting one this!
Submitted: Friday, Jun 19, 2009 at 12:40
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Martyn (WA)
Forumites,
Recently talking to a LR 3 owner had an interesting problem. Got a
puncture on one of the Coopers installed on the car a 255/60/ R18 the normal tyre, the punctured tyre was then replaced with the standard Goodyear Wrangler from the back of the car. After this even though initially the two problems weren't thought to be connected the vehicle had a different feel about it, mainly to do with the way the gearbox changed gears.
Anyway the owner then took the vehicle to Land Rover to get them to stick the magic box onto the diagnostics to figure out what was going on with the gearbox. After a short drive the "magic box" diagnosed that the traction control was trying to kick in every now and again.
Each wheel has it's own speed sensor for the traction control, the difference in diameter between the Cooper tyre and the Goodyear was enough for the computer to register the wheel turning at a different speed, all be it very small it was enough to activate the traction control "system" in the electronic gearbox.
A new tyre is getting installed to rectify the problem. just thought this was an interesting lesson, amazing the "place" we are moving into.