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Intermittent Multiple Warnings (Part 1)

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My 2013 Superb Elegance diesel estate has been very reliable since I bought it 12 years and 95,000 miles ago. These days I use it almost exclusively for long trips (I have a couple of 1960s/70s Volvos I use around town), hence the Skoda doesn’t get used often. I had just such a journey this week - visiting my son in Paisley - some 350 miles distant from Skegness.

I left early on Sunday morning, and after just 100 miles I had 5 warning lights come on a.most simultaneously: ABS, stability control, power steering, lights and tyre pressures. This had never happened previously; I pulled over at the next services on the A1(M) to investigate. Fortunately I had the Carista dongle with me, and I was able to reset all the faults in a few minutes. There was no reoccurrence during the remaining 250 miles to Paisley or during a couple of days worth of local journey in and around Glasgow with my son.

I set off from my son’s flat at about lunchtime today (Tuesday) and had only got about 50 miles before exactly the same issue occurred, 5 warning lights almost simultaneously:

IMG_4945.jpeg

This time I was close to a service station, so I checked the tyre pressures and lights - no problems there. By the time I’d switched off and on again those three lights had disappeared:

IMG_4946.jpeg

… and the other two extinguished during the engine start up procedure (without the aid of Carista). I proceeded towards Lincolnshire again, only for exactly the same fault to happen again. This time I was quicker with the Carista diagnosis and identified 3 faults before they were reset:

IMG_4947.png

…. Firstly, and I think most importantly, there had been an issue with the offside rear ABS speed sensor. I’ll continue this post in a part 2 so I may include a couple more screenshots.

TBC…

I had the same thing with my 2012 Elegance. Turned out to be the rear speed sensor. Bought one off Ebay and 10mins fitted it. No problems since.

  • Author
3 minutes ago, pat339 said:

I had the same thing with my 2012 Elegance. Turned out to be the rear speed sensor. Bought one off Ebay and 10mins fitted it. No problems since.

Ah, thank you for that - it sounds like exactly the same problem (also see part 2 of the post). In that case I may see if I can find the part locally tomorrow and have it fitted before the service and MoT next week.

Best wishes,

Alan

Hopefully it's just the sensor. The abs ring on the hub can also be worn causing the same fault to show. There is a bit more involved in replacing it. Might be best to just have it fully checked at the service.

  • Author

Bearing in mind the comment above, an Amazon search shows this replacement part:

Replacement on Amazon

… that can be here tomorrow, and is only £12 delivered. Is anyone able to confirm this is the right part? Do they differ from left to right and front to rear?

It looks like I have about 2 hours to order in time for the Prime delivery tomorrow- so any comments would be much appreciated.

Alan

  • Author
4 minutes ago, pat339 said:

Hopefully it's just the sensor. The abs ring on the hub can also be worn causing the same fault to show. There is a bit more involved in replacing it. Might be best to just have it fully checked at the service.

Many thanks, and I see your point. I’m a bit of a ‘do it now’ sort of chap though, and if I could get the right sensor shipped for tomorrow and have it fitted I know that would make me happy.

See the post with the Amazon part listing above, does that look like the correct piece?

Alan

There is a difference in the part for each wheel. This is the sensor I bought for mine on Ebay.

https://ebay.us/m/ek29H2

  • Author

Many thanks. I’ve ordered the corresponding right hand rear:

EBay sensor

… it should be here Thursday or Friday.

I think you were sensible rather than the Amazon item. They are a good seller and quick delivery and you know it is the right part. Also a great price.

Edited by pat339
Added text

  • Author
6 minutes ago, pat339 said:

I think you were sensible rather than the Amazon item. They are a good seller and quick delivery and you know it is the right part. Also a great price.

Yes indeed, the Amazon part did seem a bit too generic.

Hopefully the ‘Parts for German cars’ sensor will arrive on Thursday.

Many thanks, BRISKODA is such a marvellous resource.

Alan

  • Author

The new ABS speed sensor came with the postie this morning, once the rain stopped I got it fitted.

This is a fiddly rather than difficult job, the sensor is secured with a single screw (T30 head) which is a bit difficult to get to. The plastic sensor was really hard to get out - I suppose 12 years of weathering had made its mark, but it did come out in the end with a bit of levering via a large screwdriver.

IMG_4959.jpeg

The new part was even more fiddly to fit - I resorted to carefully cleaning the hole with an artist’s paintbrush, then using some silicone spray to lubricate - eventually it fitted into the right place, but this took a longer than the guy in the YouTube video.

I’ve just started the motorcar and been for a short spin round the block. There are no warning lights, which is good, but then the warnings had cleared themselves previously and the fault was intermittent, so I may not know whether I’ve fixed the problem or not for some while yet.

Fingers crossed!

  • Author

It looks like there is a happy ending to this story chaps. The Superb passed the MoT today, with just one advisory comment - the rear brake pads are getting a bit thin (I’ve ordered some and will fit them before the winter).

I noticed that Carista reported that the glow plugs on cylinders #2 and #4 were faulty, so I’ve ordered a set of new ones and again will get them fitted before the winter.

Many thanks for the help and advice.

Alan

Good to hear. My 2012 Elegance has 206, 000 miles without any major issues and still on original clutch. It is serviced every 12,000 and still a great car, I have no reason to change it. Happy motoring.

  • Author
18 hours ago, pat339 said:

Good to hear. My 2012 Elegance has 206, 000 miles without any major issues and still on original clutch. It is serviced every 12,000 and still a great car, I have no reason to change it. Happy motoring.

Thank you for that.

I agree the Superb diesel estate is a great motorcar - 50 MPG and the road tax is only £35/year. Like you I see no reason to change it, and I’m looking forward to another decade of motoring with it.

😎

Hi, just wondering also, I have a 2017 superb 2.0, there was a loud scraping sound from discs a few times, went away when braked harder. Now warning lights have appeared on dash, abs, tyre pressure, hill hold, stabilizing control etc, they go away then pop up again. No garages open cause it's a bank holiday here. Wonder is the car safe to drive, and what the issue might be? Maybe abs sensor or needs new discs pads, seeing they were making loud noise prior to warning lights

Any advice welcome

Thanks

  • Author

Does the scraping noise only happen the first couple of times you brake after the car has been standing for a few days? If so that will just be rust on the rotors - and normal. If it does it all the time it will probably be worn pads.

All those warning lights appearing more or less simultaneously does suggest a sensor on which they each depend, directly or indirectly. The ABS wheel speed sensors would be the most likely suspects. If you have a diagnostic programme it will probably tell you which one has failed (Carista did for me).

Good fortune,

Alan

  • Author

I’m pleased to report that my Superb diesel estate did the 660 mile round trip to Paisley and back from Skeg-Vegas yesterday with no problems.

😎

On 04/08/2025 at 21:08, Othen said:

Does the scraping noise only happen the first couple of times you brake after the car has been standing for a few days? If so that will just be rust on the rotors - and normal. If it does it all the time it will probably be worn pads.

All those warning lights appearing more or less simultaneously does suggest a sensor on which they each depend, directly or indirectly. The ABS wheel speed sensors would be the most likely suspects. If you have a diagnostic programme it will probably tell you which one has failed (Carista did for me).

Good fortune,

Alan

Just got it diagnosed today, threw up a few abs speed sensor faults, one possibly caused by wheel bearing

C101D29 c101D07 all to do with right rear sensor

And C101AF1, to do with left front abs sensor, magnetic field too low

  • Author
7 hours ago, jimmyw147 said:

Just got it diagnosed today, threw up a few abs speed sensor faults, one possibly caused by wheel bearing

C101D29 c101D07 all to do with right rear sensor

And C101AF1, to do with left front abs sensor, magnetic field too low

I would tend to do the cheap and easy things first - so the ABS sensors are only a tenner each and are easy to fit. That probably won’t stop a scraping noise though, that still sounds like a brake pad or disc. These are free to diagnose and cheap to replace.

Wheel bearings are easy enough to check yourself - so that would be a really good place to start.

Edited by Othen

Hopefully issue solved, changed bearing on rear wheel, ring was broke, car skidded a bit and glowplug light came on, lost power, hopefully to do with abs, because no fault was stored apart from the abs faults. Car running good now so far and no warning lights👍

Wondering if anyone has seen the abs and traction lights, when on, and accelerating hard, car skids a bit, and a glowplug light comes on and loss of power? Couldn't see any engine faults when fixing the abs problem yesterday

  • Author

I can’t particularly help with the issues, but it might be worth starting a new thread with a catchy title - this thread probably won’t attract much interest now the issue is fixed.

Alan

  • 2 weeks later...
  • Author

I had driven my Superb for a month and probably 1500 miles (a return trip to Paisley and two to Gatwick from Skegness) with no problems whatsoever, when whilst driving around a local car park the same set of warning lights returned a few days ago. The lights all cleared themselves by the time I got home (about a mile) and the fault could not be traced with Carista.

My first thoughts were a poor connection at the only joint in the wire, the one close to the wheel sensor. I pulled that apart and gave it a spray with contact cleaner, and the outside of the joint with WD40. The warnings have not returned and again I cannot trace anything with Carista. Maybe that did it?

I suppose this could just be a computer on a day with a ‘y’ in it - just a spurious fault that will never return? Otherwise the new sensor I fitted could be faulty, but that seems unlikely? Thirdly perhaps there might have been some dirt or debris around the sensor when I fitted it (it was a very tight fit), or finally it could be the ABS ring on the back of the hub starting to fail?

I will have another long trip to take my son back to university in Glasgow this week, which will be a good test. I’m wondering whether I ought to have a new hub (or a pair, they aren’t expensive) ready to fit just in case the issue returns?

Changing the hub looks easy enough - a few of those XZN fasteners that VAG likes, a bit of heat and some brute force.

Alan

  • 3 weeks later...
  • Author

Following on from my last. There was one reoccurrence of the ABS and other warning lights coming on - as I was turning onto the M8 on my way home from Paisley. The lights cleared themselves after about a mile and I made it home (330 miles) with no further problem. I thought the issue must be with the OSR ABS ring, so this morning I got round to swapping the hub with the ring attached.

I suppose it took me about an hour to get to this stage:

IMG_5312.jpeg

… once the car was jacked and the wheel off there were only 6 bolts to undo - but some of them were a bit hard to access. First the calliper (13mm and 15mm open end spanners, then tied out of the way with a bungee). Then there was the calliper bracket - two #14 XZN bolts hidden away behind the inside of the brake and fiendishly hard to get at - also done up very tightly, after that remove the disc (a little Torx screw) and remove the cap to reveal the hub bolt. I thought it prudent to apply a bit of heat: 2 minutes from the electric heat gun, then the bolt came off easily enough with a #18 XZN bit and a big breaker bar. The hub then just dropped off to reveal the above.

The magnetic ring didn’t look too bad:

IMG_5309.jpeg

… so I suspected the issue may well have been that steel dust cover that was rotten to the core behind the ring. It had perforated in several places and rust was falling off in lumps - perhaps bits of rust were interfering with the magnets and causing the intermittent fault? I’d already bought a replacement hub, so I thought I might as well fit it rather than just clean up the dust cover. I noticed that the ABS ring stood about a millimetre more proud than the old one, so it wouldn’t fit with the rusty dust cover in place anyway - hence I knocked it off:

IMG_5313.jpeg

…and everything fitted. I don’t think that dust cover was any great loss:

IMG_5314.jpeg

I still rather suspect it was the culprit. The new hub slid straight on:

IMG_5316.jpeg

The hub nut has to be done up mighty tight (180Mm plus 180 degrees - eeeek!). Clearance to the sensor seems just right:

IMG_5317.jpeg

I suppose it took about another an hour to get everything buttoned up, so this wasn’t too hard a job.

Hopefully that will be the intermittent problem sorted out.

Alan

Edited by Othen

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