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2nd Generation (2009+) Specific discussion of the second generation Matrix

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Old 10-01-2011, 05:26 PM   #1 (permalink)
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VSC Off and Traction Control lights won't go out

Just purchased a 2009 Matrix XRS Manual transmission with 67,000 miles on it. I love the way it drives. Now though, I can't get the VSC Off and Traction lights on the panel to go out.

During our test drive, I had turned the system on and off to make sure it was working, and didn't seem to have any trouble with it.

I went to have it inspected yesterday. During the test, they hook up to the ODBII port to check emissions. The tech had trouble getting it connected the first time, saying the connection was going in and out. Eventually, they were able to get it connected properly and passed the inspection.

After they pulled the car out of the bay, the VSC Off and Traction lights were solid on, and they have been every time I've started the car since. Checking the manual, all I should have to do to turn the system back on is press the traction button, but that doesn't seem to be working at all. I also tried holding it down for 30 seconds or so with no luck.

The lights aren't flashing, so I don't think this is an error, I'm wondering if the computer got confused somehow with the ODBII port issues.

Stuff I've tried:

1. Followed these instructions for the Highlander Hybrid thinking maybe Toyotas will generally do this. That just caused most of the lights to flash on the panel and didn't bring up any VSC diagnostic messages.
2. I pulled the panel from the dash out to check to make sure the button was working, and I do get connectivity between the two outside pins while the button is pushed in.

Does anyone have any ideas on how to get this to reset, or what the problem might be?

Thanks!
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Old 10-04-2011, 05:45 PM   #2 (permalink)
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Took the car back to the dealer today, they were willing to fix it without charge.

They replaced the ODBII connector to get their scanner to work. The reason the VSC and Traction systems were off was that one of the yaw sensors had gotten out of calibration. After replacing the connector and recalibrating the sensor, the car seems to be working great.
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Old 10-04-2011, 10:07 PM   #3 (permalink)
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x 2 on taking it back to the dealership.

Take it back to the dealership especially when it has been just recent when you bought the car. They will fix it.
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