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Discussion Starter #1
It was running great and then just stopped running. Left me on the road in a very high traffic road.. it spins over. To me it seems a little fast but I have never heard it just spin over before. So I have no idea what to do. I have read the causes of the codes. But the p0687 says something about the ECU? 2015 1.8t Beetle
Thanks in advance.
 

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Discussion Starter #3
That's kinda what I was thinking from the way it was turning over. But I looked up if it was an interference motor or not. I read that it was. So I dropped that idea because I was thinking that if it was the belt/chain, then I would hear some crunching values or it wouldn't turn over at all.
 

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What scan tool are you using?

My initial thought would be something in the timing belt or chain system has failed and resulted in bent valves, causing loss of compression. A engine with no compression, sounds odd; when turning over, as the pistons move easier, faster; without any resistance, from compression.

One could check for compression and check for timing marks, if the chain/tensioner are loose or damaged, in some way.

Normally, we would point you in the direction; of service manual info, unfortunately VW seems to be the only source for this repair documentation.

You can access this through a subscription; from vw's eRWin, Alldata or Mitchell1.

Let us know, if you are willing to attempt diagnostics yourself or if you would let your local vw dealer diagnose the problem and see if they can fix things. Sometimes, VW will help with repair costs; even if out of warranty. If VW is not willing to help; you could just pay the diag fee, decide what to do next (fix it yourself, have a independent vw specialist shop handle it or bite the bullet, have your vw dealer complete the needed repairs).

Keep us abreast of what you decide to do and what ends up being the problem. We have not heard of major the latest design 1.8T engine repairs, on this site but this info will be useful for others in the future. Thanks
 

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Discussion Starter #6
I ordered this one last night. I looked at the top VW scanners and on here and got this one Ancel VD 700. It'll be here tomorrow. I looked up best VW scanner and looked here and this was the highly recommend. Well the VD 500. I when ahead and got the new version. But I have a scanner for US cars and that's were I got the codes from. So I'm going to use the VW one and get the correct reading. What's puzzling is that it just died. I was only going about 40 mph. No symptoms at all. No noises, nothing. It spins over with no noises. I've researched and most of the time if it's a sensor there's symptoms. I also thought that if the chain breaks with an interference motor there would be noises or not turn over. I don't hear any noises anywhere. So I'm puzzled.
 

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I'm not familiar with that particular scan tool; it seems to have some advanced features but i can't tell if it does live data, which is really helpful. I use vcds by ross tech ($199).

Many chain/timing related issues; can be the tensioner, losing tension and not the chain actually breaking. If the valves are bent, loss of compression would result. A leak down or compression test; could rule that out.

You mentioned turning the engine over and the engine sounded differently; was this the case (no compression turns over faster; sounds different then. normal)?

When you scan with the vw scan tool; post any codes you get.

Are you going ti diagnose things yourself or have it diagnosed at a shop?
 

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Discussion Starter #8
Well I say that I'm pretty mechanical inclined. I've always done my own stuff. But that's on US vehicles. This is my first tsi. The scanner is supposed to due live data. So I'm going to trouble shot it myself. I looked at how to change the chain. It's just a bunch of little parts to keep correct. But I don't think I have some of the tools. I can probably borrow from the parts store. So I'm not sure if I want to get into that. US vehicles, well the ones I've been involved with, aren't that complicated. Not including the ones that are sideways. I haven't jacked with those types of timing chain/belt. Something else that's kinda strange is that the cam issue recall was done on it when it had around 25-30k. They should of replaced the chain when they fixed the cam issues. Or at least I would think they did. Would the ECM power relay cause this kind of issue? It has about 55k now on it.
 

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Yeah, these engines; are more complicated, then the typical older types. I guess, the diagnosis/repair approach; depends, on you and how you want to handle things. You could have it towed to the vw dealer and diagnosed; then, decide what to do from there but costs of multiple tows, etc. factor into total repair costs. As noted, if a VW dealer was working with you; you might, get some of the repair costs covered by Volkswagen of America (not always but we have heard of situations; where VW covering all or part of the repairs, under customer satisfaction or ongoing problems with particular engines that are known for unique pattern failures). I don't know, if you have a relationship with your local VW dealer, bought the car there or have them do your service with them but discussing the situation with them, wouldn't cost you anything and you could see what your options are (a diagnosis would need to be done first).

Are you definitely, out of your factory; powertrain warranty @ 55k?

That is interesting, that you had a related recall done; what did the recall entail and could it possibly be something that could have contributed to the current situation?

Meanwhile, you will have the scan tool soon; so, a couple of days, wouldn't matter much, assuming you have other modes of transpo. After reading trouble codes: a compression test, would be a quick way; to rule out, major engine damage and then, you could decide, your next course of action.

Much of our discussion, is speculation; until you diagnose the issue correctly with definitive verified test results, you won't know and it is hard to move forward with repair decisions, until this is done.

Definitely, post the results; of any testing you do and any trouble codes, you find with your new vw scan tool. Thanks.
 

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Discussion Starter #11
Agree. I'm not touching it until I have the scanner and see what it says. Ty Billy 👍 I'll post my results on it. We're would you like me to post that at?
 

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We, generally like to keep the threads in one place/discussion area; that way, we have the total history, issues discussed and can keep everything in context. This can be a "log" for you, keep everything in order, you can refer back to things later and the "next guy", that has a similar problem, can learn from your experience. We do have a 1.8T TSI engine discussion area here (not many threads there): 1.8 TSI
 

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Discussion Starter #14
I used the new vag scanner and I got several code's . Including one for the brakes, a steering code, some others that I hope are just cause and effect because of the main codes. P0016 and p0687. High voltage ECU power relay. Cam/crank sensor bank 1. So I checked the relay #507 in the fuse box behind the tray on drside. Did both test. The relay is good. So I checked the cam position sensor and it's getting the correct amount of volts. I checked the ohms several times and got the same reading, 1908. Researching the correct ohms for it. There was a thread about the sensor. They have said 900-1000. I've also read 600-700 ohms, but that was in a 2011 post about an older car.
 

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So, we are all on the same page; please post all the codes, that came up on your new vw scan tool, thanks. You could clear codes or do a hard reset and see if any come back, after they key is turned on or another engine start is attempted.

Basics, such as checking for spark, adequate fuel pressure and compression, would be things to check as well. This would cover the basics and rule these out.

Correct VW factory service info and documentation; through VW's eRWin site, could help guide you through correct testing procedures and related specs, other info needed to do repairs.
 

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Discussion Starter #16
I cleared all the codes that were showing up. There was a lot of them I assume from taking out their relays to get to the one I needed to get out. Now only code I have is p0687and a couple of tire system codes. ECU relay, control circuit high. I also took out the CPS and cleaned it by just wiping it off. It did not appear to be damaged. But from what I understand. The ohms are to high at 1900. Cranked it for a few seconds and rechecked it. Those were the only code's I have now. I'm fixing to get the manual for it from VW eRWIN. It's $35 for a day, but I'm hoping that I can download it. Here are a few pictures of trying to get the CPS out. I have little hands, but I had to recruit my 9yrold daughter to help. 😋
 

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Any testing, on the basics? Spark, Compression and Fuel? Testing equipment, is rentable or can be bought; from most auto parts stores, if you do not own those diagnostic tools already (fuel/compression testers, inline spark testers, etc). Getting, the eRWin service manual; is a good move, it should bring some sanity, to your testing, diagnostics and troubleshooting steps, moving forward. As noted, we do not have service manual info to refer you to; so, this will be a learning process, for us as well (you are the first later version 1.8T; that has had to do repairs or diagnostics on those).
 

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Discussion Starter #18
No. Not yet. I'm downloading it now.😁 The only thing that is a bummer is that you have to download each PDF on the topic that you want to look at. So like the transmission part. There's a PDF for each type of transmission. It's not a real big deal. But when I go to share it. I'm going to have to ask how much I can do and if I need to make a thread for the manual. Idk what car's it actually does. I just got the one for my car. But it's still very helpful to those that need it😁
 

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I have the eRWin flies for my 2002 new beetle 1.8T Turbo S. eRWin is originally set up for online viewing, the publishers were assuming you had constant online access (like in a vw dealer service dept. work environment) and so that is why the PDFs are chopped up into a bunch of different files, when downloaded. A bit of a hassle but this is the real deal vw factory service information and so, the bit of inconvenience is definitely worth it..
 

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O. I agree. I was just informing others that might do it. I'll stay up late if I have to. Lol there's just a ton of information. The repair manual. There's a technical bulletin part. A campaign section. And there's a section called iWIRE. I wasn't expecting all of that. But it's nice to get everything they'll give out. So in the technical section. There's 8pages and each page has about 20 articles on it. I'm not complaining at all. I just wasn't expecting all of this information. 😉
 
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