Question about 2002 Chevrolet Impala
My 2001 Saturn ABS light comes on and traction control goes off ,when driving in the snow ,never has done it the rain ?
The traction control system uses the abs wheel sensors to detect wheel speed if the abs light is on the entire abs system will disable giving you regular braking but it will also stop feeding info to the traction control
Posted on Dec 06, 2008
I had the same problem with mine. All you have to do is replace the hazzard switch. It costs about 40 bucks for the switch, and takes about ten minutes to replace. Just take off the dash cover and swap them out.
Hope I helped!
Posted on Jan 19, 2009
Traction control systems measure wheel speed differences by various methods to determine if one wheel is rotating faster than the other. A heavier buildup of ice/snow could be affecting wheel rotation speed causing the TCS to engage. ABS works by sensing slippage at the wheels during braking, and continually adjusting braking pressure to ensure maximum contact between the tires and the road. Suggest clearing out the wheel wells now and periodically throughout the winter. Also remove ice/snow build up between the wheel and the brake pads/rotor.
Posted on Jan 24, 2009
SOURCE: abs and traction control
hi if you know for sure it's a wheel speed sensor
remove that wheel
remove the caliper and caliper bracket
remove the brake rotor
there are 3 bolts on the other side of the knuckle(13mm)
remove the axle nut(1 5/16)
remove the hub bearing assembly(you may need to use a hammer on the hub flange)
hope this helps
Posted on May 25, 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
You'll need to have the codes read from the computer. You will have a code that indicates one of the front wheel sensors is bad. This could be the case, but they are very expensive as they are built into the wheel bearing assemblies. It is more likely that the wiring harness between the frame and the part of the front spindle that holds the harness, has broken internally. It is a very common problem and can be repaired with a new wiring harness section or by tracking down the fault and repairing it.
Posted on May 31, 2010
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