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850 / S70 & V70 '96-'99 / C70 '97-'05 General Forum for the 850 and P80-platform 70-series models |
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Abs traksViews : 641 Replies : 9Users Viewing This Thread : |
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#1 |
Junior Member
Last Online: Jun 3rd, 2024 17:36
Join Date: Dec 2004
Location: london
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The warning lights came on a while ago I pressed the switch and they seem to go off, the warning lights came on again so pressed the switch and they stay on. Is the switch like the rear screen heater switch where you get a click and the switch remains in the on position until it's turned off? Only with the TRAKS switch when you press it and let go it goes back to the off position. I hope this makes sense. Also I notice that the switch as a warning light on it. this doesn't come on at all, could this be a faulty switch?
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#2 |
Senior Member
Last Online: Today 16:00
Join Date: Sep 2020
Location: Falkirk
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If the ABS light is on as well, then there is a fault. The switch should only disable TRACS alone. You'll need to get it plugged in to a code reader to find out what fault code it's throwing.
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#3 |
Master Member
Last Online: Jun 23rd, 2024 20:57
Join Date: Jun 2018
Location: Presteigne, mid Wales
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I'm thinking ABS module repair looming...
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1998 V70 2.5 Auto & Supercharged Mercedes C Class... |
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#4 |
Junior Member
Last Online: Jun 3rd, 2024 17:36
Join Date: Dec 2004
Location: london
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Can anyone recommend a OBD2 reader that can be used on a Volvo 850 that can be used on a laptop or mobile
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#5 |
Premier Member
Last Online: Today 19:50
Join Date: Dec 2017
Location: North of Hadrian's Wall & South of Antonine's Wall
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You'll need an Android phone
850 OBDII app which is available from Google Play for less than a couple of pounds This dongle...Click
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MY2010 XC90 SE (M66-manual) Magic Blue (467) Sold MY1997 850 GLT (62,000 miles) Silver Sand (419) MY2005 V70 2.5T (66,000 miles) Willow Green (471) Volvo 850 GLT website |
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#6 |
Junior Member
Last Online: Jun 3rd, 2024 17:36
Join Date: Dec 2004
Location: london
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I get one thing sorted and something else happens, it looks like the ABS Module needs to be repaired seems a common fault with a 1996 850
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#7 |
Grumpy Old Git
Last Online: Jun 18th, 2024 12:28
Join Date: Dec 2004
Location: South Yorkshire
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Thats what I use, albeit with a different dongle
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S40 2.4i '07 Japanese import '96 850R - https://www.volvoforums.org.uk/showthread.php?t=312484 Ex Danish Embassy '96 940 GLE LPT - https://www.volvoforums.org.uk/showthread.php?t=326071 ![]() |
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#8 |
Junior Member
Last Online: Jun 3rd, 2024 17:36
Join Date: Dec 2004
Location: london
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It seems that it's a common fault with the ABS module, I could have a go at Repairing it I think I'll get it repaired professionally If I can remove it
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#9 |
Senior Member
Last Online: Today 16:00
Join Date: Sep 2020
Location: Falkirk
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If you can use a soldering iron, it's fairly straightforward to resolder the pins under the main plug, which is where the majority of them go.
Best make sure it's that first. An ABS and TRACS light points to a general issue with ABS, so it could be a dirty or cracked reluctor ring, loose or broken sensor, or in my case, a broken pressure switch at the master cylinder. |
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#10 |
Grumpy Old Git
Last Online: Jun 18th, 2024 12:28
Join Date: Dec 2004
Location: South Yorkshire
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Yep, the solder repair is pretty straightforward - I've done it twice unfortunately!
A good write up here - https://www.matthewsvolvosite.com/fo...8b02887d26437d Good luck ![]()
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S40 2.4i '07 Japanese import '96 850R - https://www.volvoforums.org.uk/showthread.php?t=312484 Ex Danish Embassy '96 940 GLE LPT - https://www.volvoforums.org.uk/showthread.php?t=326071 ![]() |
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