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Car Forum / Volvo Cars / October 2004850 ABS TRACS OFF
I have a 1997 850 Wagon that after long trips at highway speed my ABS and TRACS OFF lights come on. I know the abs is not working because I don't hear ABS control module kick in when the car starts moving. The lights will then stay on anywhere from a few days to a week. Then for no apparent reason the lights will just go off and I can again hear the control module kick in again and things are back to normal. Would anyone have an idea what's causing the problem. Thanks...AP > I have a 1997 850 Wagon that after long trips at highway speed my ABS and > TRACS OFF lights come on. I know the abs is not working because I don't hear [quoted text clipped - 5 lines] > > Thanks...AP this might help: http://home.earthlink.net/~vicrocha/Volvo_Parts/Volvo_V70_ABS.htm >I have a 1997 850 Wagon that after long trips at highway speed my ABS and >TRACS OFF lights come on. I know the abs is not working because I don't [quoted text clipped - 5 lines] > > Thanks...AP A VERY common failure on 850s! Your ABS controller has almost surely failed. Replacements from Volvo are around $500. You can read a little more about it at: http://www.volvospeed.com/Repair/abstrax.htm Lots of folks have reported good results from having this guy repair their units: http://home.earthlink.net/~vicrocha/Volvo_Parts/Volvo_V70_ABS.htm John > I have a 1997 850 Wagon that after long trips at highway speed my ABS and > TRACS OFF lights come on. I know the abs is not working because I don't hear [quoted text clipped - 5 lines] > > Thanks...AP I had the Identical problem with my 97 850 don't ask why but I removed all excess keys and fobs from my ignition keyring just kept the remote locking fob and one house key plus ignition key. I have now had no abs or tracks lights showing for 3 months. In fact everything is fine. Hope this may help, it was definately cheaper for me than buying a new module! John Kelway > I had the Identical problem with my 97 850 don't ask why but I removed all > excess keys and fobs from my ignition keyring just kept the remote locking [quoted text clipped - 3 lines] > module! > John Kelway There's another problem that turns the ABS and TRACS OFF lights on that involves the ignition switch, this sounds like your problem. Usually it's accompanied by a couple of other things (power mirrors, turn signals, rear defogger) not working if the problem is with the ignition switch. In your case, I'd change my ignition switch: http://www.volvospeed.com/Repair/ignit_switch.htm  SignatureMike F. Thornhill (near Toronto), Ont. NOTE: new address!! Replace tt with t (twice!) and remove parentheses to email me directly. (But I check the newsgroup more often than this email address.) > > I had the Identical problem with my 97 850 don't ask why but I removed all > > excess keys and fobs from my ignition keyring just kept the remote locking [quoted text clipped - 11 lines] > > http://www.volvospeed.com/Repair/ignit_switch.htm Hello Mike What makes you think the problem is in the ignition switch rather then control module or a sensor? Thanks...Al > Hello Mike > > What makes you think the problem is in the ignition switch rather then > control module or a sensor? > > Thanks...Al In your case, I think it's the control unit. In John Kelway's case, I think the problem was caused by the ignition switch. If your signal lights work when the ABS/TRACS OFF lights are on, then the cause is not the ignition switch. SignatureMike F. Thornhill (near Toronto), Ont. NOTE: new address!! Replace tt with t (twice!) and remove parentheses to email me directly. (But I check the newsgroup more often than this email address.) > > Hello Mike > > [quoted text clipped - 11 lines] > Mike F. > Thornhill (near Toronto), Ont. Thanks. I note what you say about the signal lights, but as the ABS/TRACS lights have not come on since I removed my excess keys I am loath to tempt faith! John Kelway >I am loath to tempt faith! > John Kelway Replacing the ignition switch is very easy and the part is not expensive. I think it cost me something like $50 from the dealer and it took me no more than an hour to replace. Taking the extra keys and fobs off your key ring is a good idea since I believe the extra weight is part of the problem. Gus |
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