Question about 2002 Chevrolet Impala
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Posted on Jan 02, 2017
The traction control works off of the abs.So when abs has problem traction is disabled. If problem started when brakes changed most likely one of these sensors. Check rear wiring and see if you can see any physical damage.
Posted on Nov 11, 2008
SOURCE: Service Traction System
it could be a bad ABS sensor or a dirty one or it could be a bad speed sensor both run tration system .have the code read and it well tell you which wheel or if it the transmission speed sensor
Posted on Feb 16, 2009
Sounds like you have a bad wheel speed sensor. You need to have it scanned. Since it's been sitting, it might just be a bad connection to one of the speed sensors.
Posted on Jun 02, 2009
I have had exactly the same problem on and off for 3 years now - and just solved it last week thanks to another computer site. Remove and disassemble both grounds from the top of both the left and right frame rails adjacent to the front corners of the engine block. Completely clean the green corrosion from the internal parts with fine sandpaper and add dielectric grease then re-assemble. Clean the mounting bolt and frame hole while you're at it. Sounds time consuming and difficult, but it ain't. No more than 45 minutes combined. I am a technical airhead so if I can do it so can you. What clued me in was the problem always occurred around wet or humid weather. Also, the clock would always lose time overnite. That has ceased also. Good luck. Anyone know why my left headlite, when deployed, vibrates and shimmys??? Sully firstname.lastname@example.org
Posted on Jul 07, 2009
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