Question about 2000 Pontiac Bonneville

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ABS and Trac off light coming on during drive

2000 Pontiac Bonneville 70.k mi
When traveling the ''ABS and Trac off'' dashboard warning lights come on simultaneously. What is causing this and how can it be resolved? Turning the ignition off and restarting resets both, until it comes on again after a short time.
Thanks

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Hi chances are u have a wheel speed sensor problem u will need to get it scanned for a fault code

Posted on Jul 13, 2009

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Usually that means either the ABS wheel sensors are defective, or the vehicule speed sensor in the transmission is defective. You simply need to find out which one, and getting the codes out of the OBD system will help find out which one usually. To do so you will need to ask someone with a code reader because the old GM jumper trick to have the check engine light flash you the code only work with older OBD-1 systems, and your 2000 model has and OBD-2 system which was standardised by government law at arround 1996.

Posted on Jul 13, 2009

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