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How to reset VSC light, TRAC OFF Light and Check engine in the dashboard?

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Old 06-07-17, 12:06 AM
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tiger326
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Default How to reset VSC light, TRAC OFF Light and Check engine in the dashboard?

Suddenly on my LEXUS 430 VSC light, TRAC OFF Light and Check engine show in the dashboard.
How to reset?
Old 06-07-17, 03:34 AM
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rkw77080
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First, let's make sure it is not a false alarm. If you have a OBDII reader, retrieve the DTC (Diagnostic Trouble Code) from the car, then erase the DTC and see if it would come back. If you don't have a reader, disconnect the negative battery cable for a few minutes to do a hard reset. This will clear the false alarm.

If there is really something wrong with the car (i.e. the lights come back), you will have to know the DTC to determine the next course of action.
Old 06-08-17, 12:04 AM
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tiger326
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I have reset the alarm and the fault came again. I have checked through the Reader and i found this alarm.
Please advice
Old 06-08-17, 03:47 AM
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rkw77080
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Attached is the troubleshooting procedures for P0031. Hope it is helpful...
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File Type: pdf
P0031.pdf (107.3 KB, 1034 views)
Old 06-08-17, 03:56 AM
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Johnhav430
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imho o2 sensors should not be ignored, as opposed to EGR....what year is the vehicle and how many miles...
Old 06-09-17, 07:57 AM
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tiger326
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Thanks all for your support
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