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Thread: traction control question

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    Regular Member aerodynamic18's Avatar
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    Default traction control question

    hey guys i have a facelift vectra with traction control i know its there cause the light flashes from time to time. the thing is last night in the major snow tryin to get home the light was flashin as you would expect but after a while the traction light and the abs stayed on and the traction and abs stopped workin. i have been told this is normal as the front wheels are movin and the backs arenot so it thinks there is a faullt with the traction and after restartin the engine and movin normallly it goes away. but surely in the snow u dont want the traction switchin off at all. any ideas or have i a fault. also if i got the switch to disable the traction control and fittedd it would it work?

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    You could ask a dealer to check for any TC-related trouble codes, but I think your reasoning sounds logical. It sounds like the failure detection logic in the TC is a bit pessimistic, but that's probably something only Opel's calibrators could (but won't) fix...

    The only suggestion I have is to be very gentle on the throttle to minimise the amount of wheelspin. I would guess that the logic that switches off the TC would require the front/rear wheel speed differential to persist for a certain period of time... if you minimise the amount of time in this condition it might help.

    I would guess that the wheel speed sensor plausibility logic would probably be active even if the TC is switched off via the switch, so it probably wouldn't help.

    This is all just guess work, of course

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    Regular Member aerodynamic18's Avatar
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    i tried not to but i came about a hill and had no choice but to minimise the wheelspin. wouldnt mind gettin the tc switch as well if it worked

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    Regular Member Maverick's Avatar
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    It will be down to exessive water around the ABS sensor, this with snow can cause the ABS sensors to go open circuit, as the traction control works off the ABS sensors it will render this non working also.

    When it dries out, it should go back to normal, if not you will need it checking out.

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    Regular Member BlueRob's Avatar
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    50% 50% chance of making a TC switch work mate, that is if you have the blue plug for it, if you do, buy one, stick it in, and cross your fingers You might be one of the lucky members around here with a TC Swt. working

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    You're better off without the TC in snow. TC will just end up with you sat there stuck, with it off you can give her the beans and get through it (if you know how).

    My old Astra was totally stranded in snow, TC wouldn't let it move at all. Pulled the TC fuse, let her rip and was moving again in no time (though had to stop on clear road to put the fuse back in as it did the power steering as well).

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    Regular Member pricey's Avatar
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    It sounds normal to me, if the t/c was constantly trying to stop the front wheels from spinning then after a while it will stop working. This is exactly the same method you have to use if you want to ru your car on a rolling road.

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    Regular Member aerodynamic18's Avatar
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    so which cover do i need to remove? and when i get it off all i look 4 is a blue plug. how u get the cover off?

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    Regular Member BlueRob's Avatar
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    On the right side is the third blank down. try to stick in a credit card or such in the right hand gap (between console and switch) and slowly try to do a lever kind of movement (right-left) until it pops out enoug to grab it with your fingertips.
    Not the best pic but gives you an idea.
    HTH

  10. #10
    Regular Member aerodynamic18's Avatar
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    thanks for photo ill look tomorrow

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