OR, if you're feeling wealthy, you can buy one of those nifty gadgets yourself, but be warned: the ones that can access ALL the computer's modules cost $$$$$$$$$$ (those $200 OBD-II units at your local auto parts store can only access the engine module) and require you to get a hold of some good factory literature so that you don't change a setting that will break your car even further. You'll have to take it to an authorized GM repair shop or dealer to have them reset the computer modules for the ABS and TC. The dealer should be your last resort buying parts since they mark up their parts 100-500%.įixing the sensor(s) may not make the lights go away. If you determine that one or more of the sensors are faulty, check your local auto parts store for replacements or. That seems to be the most likely source of failure. If they're gooped up, bent out of alignment, unplugged or the wires are damaged they will send a "no-spin" signal to the computer, telling it to activate the ABS (that pulsing you're feeling in the brake pedal) as well as cause all sorts of errors in the traction control module. They're usually about the size of a roll of pennies. Both of these systems work using a signal from wheel speed sensors that are generally mounted on or near the brakes. I've encountered this before on my old Jetta as well as some of my friends' cars. Have your mechanic look at the rest of the suspension parts to ensure there are not any issues.Īnother benefit to repairing the worn suspension parts is your vehicle will drive nicer and will be much safer to drive.Īs you were told when you were a kid, "pay attention". So, if you replaced the hubs and you are still having the same issue, replacing the struts along with the wheel hub could fix the problem. However, the wheel sensor picks this up as loss of traction. It may not be noticeable to the driver or you may not feel it in the steering wheel. Example: if the front struts are worn out or have lost the gas charge the wheel will have some "chatter" when breaking. If any of the other parts in the suspension are worn it will affect the rotation of the wheel and sensors, mostly when breaking. Here is another part that also requires attention and repairs to fix the ABS errors. You'll have to replace all the wheel hubs to fix the problem. The bad thing is the parts are a little pricey. The good thing is the fix is relatively easy. If it happens to one bearing the rest are going to be bad soon. The most common is the wheel bearings wear out causing the break sensor to touch the hub causing the sensor to error out. Most mechanics do not think this far a head as the problem can be caused multiple things.
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