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01 3.4L 4Runner, 'VSC Off', 'VSC TRAC' and 'ABS' lights coming on intermitantly


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Chad82
03-25-2007, 06:53 PM
For the last week or so, those 3 lights have been coming on and off randomly. Most of the time if it comes on, it will stay on until I shut it off, but twice they have been on and then shut off after a little bit. Since they all appear to have the fuses stored in the same box over the passenger side wheel well, I am assuming that it is either a bad wire or poor connection. I will try to check them both next weekend, but could you think of anything else it might be?

Chad82
04-19-2007, 04:45 PM
So I checked all the connections I could, checked fuses, picked up an OBDII scanner (been meaning to for some time) and everything is clear.

I'm thinking maybe I should check my brakes? Been a while since I have and in my old Q45 when the pads would get thin it would send out messages because of scanner.

Brian R.
04-19-2007, 08:44 PM
Just guessing:
Are all your tires the same diameter? Like is one or two of them have alot less or more tread than the others?

Might be a bad ABS sensor or sensor wiring.

Chad82
04-20-2007, 02:51 PM
The tread on all the tires is similar just eyeballing it, but it has been about 10k miles since they've been rotated.

When I check my brakes I will also check the sensors, thanks for the idea.

Brian R.
04-20-2007, 03:38 PM
Tire pressure, if it's really different in one tire may have this effect also.

Chad82
04-21-2007, 04:00 PM
tire pressure was fine, right rear was 1 under, doesnt seem like that would be significant enough.

Front pads are getting thin, though, so I will go ahead and do them next weekend.

Chad82
07-04-2007, 11:22 PM
So in case anyone else ever has this problem, it was a bad front left speed sensor.

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