A month ago I got a warning while braking semi-hard, Service Stability Sys and Service Brake Assist. Nothing could be felt, only the warning lamps glowing at me. Happened again a few trips later. Gradually became more frequent and needed less hard braking to come on. Lately it'll turn on after a few seconds after start whether I'm braking or not.
Annoying but I could drive on. Well tonight something new happened, when braking normally the pedal pulsates a little and with high frequency just before I stop. So if braking from 50 mph to 0 mph in a normal fashion, at 5 mph the ABS (which I assume it is) starts without being needed.
Anything I can do before driving to the money hungry dealer? Testing, changing most likely components? Can I drive it?!
Wheel bearing or steering wheel postion sensor is my bet. The cheapest thing would be take it to the dealer for a proper diagnosis. You can choose to throw parts at it until you hopefully fix it or buy a tech 2 and scan it yourself however both of those will be much higher than the $80 diagnostic fee. It's a Cadillac not a Honda which any jiffy lube can diagnose an issue with.
With those messages present you should be able to get it scanned at a local parts store, as long as their scanner can read more than just PCM codes. I also suspect a wheel speed sensor (wheel bearing) or steering wheel position sensor, the code(s) will tell the full story though.
With those messages present you should be able to get it scanned at a local parts store, as long as their scanner can read more than just PCM codes. I also suspect a wheel speed sensor (wheel bearing) or steering wheel position sensor, the code(s) will tell the full story though.
If your car happens to be one of those with what is known as "ABS Assisted" brakes, a rather peculiar power assist system, you are about to experience having no brakes at all.
Warped rotors have NOTHING to do with ABS and stability light coming on upon initial start up not to mention warped rotors are completely fictitious...
Got lucky I think, the local garage I sometimes use when I have more money than time)), they could read the fault codes on their laptop. Rear left ABS sensor. So I need a new bearing/hub. They are priced very very differently, OEM is about 10x as expensive at the China part. I've always used the cheapest part available for my Jeep Grand Cherokee, including hubs, worked fine. Does anybody have experience with these cheap hubs?
mine just acted up. was diagnosed back in march. they just cleaned it off and told me to keep an eye on it. went off after the first 100 miles, and didn't happened again, until this week. snow and salt season just hit. this time it gets replaced, along with my newly shattered rear window.
Wheel bearings are like tires and beds, you get what you pay for...Cheap out and you'll be doing it again soon and replacing a wheel bearing isn't exactly my favorite thing to do.
Wheel bearings are like tires and beds, you get what you pay for...Cheap out and you'll be doing it again soon and replacing a wheel bearing isn't exactly my favorite thing to do.
Just as an update, I replaced the bearing, and the warning lights have stayed off since then. I've actually had a few days of no warning lights now, fabulous:thumbsup:
Our 2006 CTS started doing this a couple years ago and we have just lived with it. It only occurs while turning and pulling into a parking space. Well since my wife drives this car the majority of the time I almost always come inches shy of hitting the parked car in front of us when I drive. My question to you guys is how does replacing the wheel bearing fix an issue with the ABS sensor? I thought these were two different parts. GM guys have been satisfied with Timkin seals for some time now.
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