freeskier8585 Posted June 24, 2008 Report Share Posted June 24, 2008 So, like all trust 850's my abs light has been on for a while. So last year i got a remanned unit, put it in, still, abs light on. Took it to a dealer, who scanned it, said "8 faults in computer, 3 extrpolation counters l/f, l/r, r/r) needs abs module. rear sensor faults will not erase. declined repair"So i got another remanned unit under warranty and installed it, and my light is still on. Whats the deal, what should i be looking for here. Link to comment Share on other sites More sharing options...
freeskier8585 Posted June 24, 2008 Author Report Share Posted June 24, 2008 anyone have any ideas... i know a lot of people have had problems with abs units. Link to comment Share on other sites More sharing options...
jdlc Posted June 24, 2008 Report Share Posted June 24, 2008 anyone have any ideas... i know a lot of people have had problems with abs units.ABS sensors? Based on message, rear sensor? I belive that unlike the front sensors, the rears come as a unit. Link to comment Share on other sites More sharing options...
freeskier8585 Posted June 25, 2008 Author Report Share Posted June 25, 2008 is there any way to test that before i shell out 145 for the pair. Link to comment Share on other sites More sharing options...
freeskier8585 Posted June 26, 2008 Author Report Share Posted June 26, 2008 anybody... i got a voltmeter and free time tell me what to do. Link to comment Share on other sites More sharing options...
prasamin Posted June 26, 2008 Report Share Posted June 26, 2008 Scott, those ABS sensors very rarely fail. They are magnetic sensors...the best thing you can do to do anything at all would be to remove each sensor and try cleaning them.Sometimes crud on them could mess up the readings.....the two on the front wheels are really easy to get to and just held on by 10mm bolts.I don't know about the rear ones, but I suspect they are easy.clean them up, check the wiring, and then put them back in and RESET the codes....drive around, see which codes come back. Link to comment Share on other sites More sharing options...
freeskier8585 Posted June 26, 2008 Author Report Share Posted June 26, 2008 pras, is there any way to check the codes without going to a dealer, or is there a way to reset codes without the vadis scanner... Link to comment Share on other sites More sharing options...
Ozark Lee Posted June 26, 2008 Report Share Posted June 26, 2008 is there any way to check the codes without going to a dealer, or is there a way to reset codes without the vadis scanner...VOL-FCR will do it, you need a special VAG-COM serial cable which you can get on eBay for around $20.00. Rumor has it that a cracked version of VOL-FCR is floating around on Bit Torrent. ...Lee Link to comment Share on other sites More sharing options...
freeskier8585 Posted June 26, 2008 Author Report Share Posted June 26, 2008 i have the obd - computer cable... all i need now is software you say? Link to comment Share on other sites More sharing options...
prasamin Posted June 26, 2008 Report Share Posted June 26, 2008 pras, is there any way to check the codes without going to a dealer, or is there a way to reset codes without the vadis scanner...I have sigs turned off, so I don't know what year your car is, but I remember it being a 96, so you'll need a tool or something to reset codes....on my 95, it's different since I can just reset through the diagnostic box under the hood Link to comment Share on other sites More sharing options...
freeskier8585 Posted June 26, 2008 Author Report Share Posted June 26, 2008 newb when it comes to this, i need com 1 to be free how do i find out what is using it and shut it off.you can turn sigs off... sickness. car built dec 96, 97 model year, currently running vol fcr need to get it to com with car though. Link to comment Share on other sites More sharing options...
freeskier8585 Posted June 26, 2008 Author Report Share Posted June 26, 2008 ok, got that to work, now it says there is a communication error... any ideas Link to comment Share on other sites More sharing options...
freeskier8585 Posted June 26, 2008 Author Report Share Posted June 26, 2008 ok, got that to work, now it says there is a communication error... any ideas Link to comment Share on other sites More sharing options...
freeskier8585 Posted June 26, 2008 Author Report Share Posted June 26, 2008 right, turns out since i have a vag-com cable, but no serial port, i am pretty much screwed using my com to usb adaptor. Is there a vag-usb cable that people have used with this? Link to comment Share on other sites More sharing options...
freeskier8585 Posted June 27, 2008 Author Report Share Posted June 27, 2008 Ok well it turns out a cheap (20$) serial pcmcia adapter should work with the right settings, so in case anyone is following this, once this thing arrives next week i will be sure to let you know how well it works. Being able to reset the service light, and diag abs faults is worth the price. Link to comment Share on other sites More sharing options...
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