We have a 1999 5 series and the ABS light sensor came on, we took it to one garage and they said it make not fix the problem if they replace the sensor which was shown on the computer. The sensor was replaced and still the ABS light is on. The garage said they could not deal with it. We then took to another garage as he said it probably was a faulty part. However, after putting a new sensor in, it is still showing the ABS light. They have looked at a few things but cannot find the fault. Has anyone had an problems or can thrown any light on this.
This is a long shot, have no experience with Beemers. Similar problem on a 1994 Olds, make sure all bulbs in the brake lights including the light on the rear shelf rear window are all working when you press brake pedal. Maybe get lucky.
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Hi Heather, IM AL the owner of Big As Auto Repair!
Heather, if the garage installed the part then they should fix what's wrong with the abs. If you installed it yourself then go to the auto store and have them clear the code that's still in the abs. If the light goes out and stays out after driving awhile your good to go, but if the light comes back on then it could be the wiring or connector are even the wheel hub assembly. Hope this helps and please visit my auto-repair-website: http://www.bigasautorepair.com/
Check bearing and joint/knuckle on every wheel and even on the drive shafts, if there is lack/knocking, that could cause abs and esp light,because sensor doesnt give right information and ecu only records sensor fault butdoesnt say why the infromation is wrong. They changed the sensor but didnt solve the cause!!!
if the ABS light stays on indicates a problem with the system, most of the time it is a wheel speed sensor that has failed. You will need a decent scan tool that can read ABS codes, or go to a service garage and they can find a repair the problem, don't be alarmed some parts are not cheap. If you can stand the light being on, the ABS system will not operate, but your basic brakes will work normal with out ABS, just in a panic stop the wheels can lock up.
Hi Liz, I am in exacty the same position as you although I just had the new abs pump fitted and I still have the same problems??? I am going crazy with this, my garage's diagnostic machine won't commuicate with my car and my speedo is not working? My mechanic reckons the abs memory is stuck in a loop and that is why the lights ain't going out, but without a diagnostic I dont know, I guess I will have to take it to a dealership to be ripped off!!!!
Check to see if your brake pads and rotors are in good condition. Or if
you have replaced the pads yourself and have not reset the wheel
sensors this would cause the ABS Antilock Brake System light and the
ASC Automatic Stability Control light to stay on as the ASC uses the
ABS brakes with computer assistance to control the car
I had the same thing happening in my 99 Volvo v70xc. I researched it to death, took it to several auto-shops, and did some of my own tinkering (several people also seemed to think it was a wiring issue). The problem was fixed by replacing the ABS sensor. It's a small box, just below the large fuse box that lays against the firewall on the drivers side. Yep, I went to a local junk yard, got the part and replaced it myself. $75.00 for the used part, and $7.00 for the special tool it took to install. It is very difficult to remove and install, because of the awkward positioning. The next step up would be ordering the part online, and finding a mechanic that will throw it on. Doing this at a dealership w/ new parts would cost well over a grand (or more). Again, I had the exact same problem. I replaced the ABS sensor and and all of my lights went off, the speedometer quit dropping off, and my traction control quit giving me problems.
same problem here, found 3 places that say it is the abs sensor:
Had this problem with my 1999 Ram 1500. There is a sensor at the top of the rear differential for the ABS system. That sensor went bad and replacing it took care of the problem. What caused mine to go bad was apperantly water got into the differential when launching and loading my boat. check to see if gear lube needs to be replaced also.
The answer above is perfectly correct. When the ABS sensor on the diff goes bad the speedo no longer will work, the odometer stops recording mileage and both brake and ABS light comes on. You also loose O/D or "Lock-up" in the torque converter. The sensor is inexpensive and can be changed in about 30 mins. Good Luck!
The fix for your truck is the ABS speed sensor located in the top of the differential housing , held in with one stud . Your speedometer is calculated through the ABS controller. Replacing that sensor will fix your problem.