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Old 06-25-2006, 06:07 PM   #1
Mark Fahey
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Default Tire pressure warning

The latest electrical gremlin involves the tire pressure warning system. First, the "check tire pressure" warning came on a few days ago so I checked the pressures and found they were within 1 psi of each other. Then yesterday, the "tire pressure low" warning came on and in checking, again the pressures were almost evenly matched.
I know this system works by comparing signals from the wheel speed sensors. However, if a wheel speed sensor isn't working properly, wouldn't other things that work off the wheel speed sensors such as the ABS system, traction control and ABS be affected? The traction control light is on as normal and there are no warning sigals for either the ABS or stability control systems.
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Old 06-25-2006, 06:12 PM   #2
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Mark,

did you reset the warning yet? I think you need to reset it for it to go away. I had this issue pop up a while back (although i had a low tire at the time) and the warning stuck around until i finally cleared it.

If that is not the case, i would bet that the sensors aren't reading properly
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Old 06-25-2006, 06:13 PM   #3
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Did you try to reset the tire pressure button and see if that makes it go away?
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Old 06-25-2006, 06:27 PM   #4
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Doh!!! I totally forgot about the resetting part. I tried it and it has reset for now so I'll keep my fingers crossed. It'* still strange that it came on in the first place.
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Old 06-25-2006, 06:42 PM   #5
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You didn't get new tires or anything did you?
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Old 06-25-2006, 07:48 PM   #6
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No, everything'* the same. I drove the car around a little bit and the warning never went off. Maybe it will be like the phantom "recalibrate compass" message that used to come up all the time.
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Old 06-25-2006, 08:04 PM   #7
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I still get that one and the Service "stability" and "security" systems from time to time. especially on cold mornings.
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