Re: dashboard service engine, abs, and trac control all...
U need to get this checked out...it probably is the speed sensor on your wheel..u probably will have to replace the sensor. It shouldn't cost more than $350. Faulty spped sensor will make your traction cruise and anti-lock brakes not work...
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the abs sensors( 4 of them ) are located at each wheel near the brake rotor or in the live axle housing close to the wheel
the trac control uses the same sensors and it only takes one faulty unit to put the lights on
the fault can be from a broken wire, wire fallen out of holder
When the Service engine soon, ABS and TRAC lights are turned on at the same time the computer control units for the engine and the ABS/TRAC systems has sensed a fault in the electronic controls of the engine and/or the emission system and the ABS and Traction Control system (part of the ABS system). When this happens you will seldom feel the car engine run any different or the car drive any different. There are about 200 possible faults that turn the Check Engine light on, the fault in your car is likely a part called the VSS sensor to know for sure what the problem is you must have the system tested; Kragen and Autozone parts stores do this testing for free
The change oil light must be reset by you manually. Procedure listed in your owner's manual.
The ABS light is on because there is a problem with the Anti-Lock brake system. Normal braking will still work. This needs to be looked at by a professional
The Trac Off light is on because the Traction Control is turned off. Turn it back on. There is a button somewhere to turn it on and off. Maybe be on the shifter.
The Service Engine light is on because there is a problem with the emissions control system. Have the ECU scanned with an OBD2 scan tool to recover the fault code. This code will help to diagnose the problem.
I will bet money that it is the ABS/TRACS module. It is mounted under the master cylinder on the bottom of the ABS unit. These are very, very, very common failures. I have replaced hundreds of them in my career. To answer your other question, the TRACS system uses brakes. For example: in the snow, when the L or R wheel is spinning faster than the opposite, the TRACS will apply brake to the spinning wheel to slow it down to an equal speed. Hope this helps.
It is one of your wheel bearings. The problem is easily solved by taking the car to a dealer, or having a code reader, and determining which wheel bearing is bad. The wheel bearing is under $150 and should be installed by someone with some muscle, as the bolts are torqued from the factory extremely tight in a tight location. The wheel bearing have all of your sensors for abs built into them and if that sensor goes out your computer tells the abs and traction control to shut down, hence you get the lights on on the dash.