What can be wrong when the service traction system lights turns on? on 2007 Buick Rendezvous

The abs and track off along with the service traction system goes on and off randomly or when i turn the car on

by in Carol Stream, IL on August 10, 2010
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2 answers
ANSWER by , August 10, 2010
when there is an abs problem, the trac system is disabled til the abs is repaired. Roy
ANSWER by , May 18, 2015
its a wheel hub issue with the sensor embedded in the hub. You need to change the whole hub. No biggy. Just know which one.