Jaguar XJ8 (X308) limp mode & error messages | Ft iCarsoft LR V2.0 diagnostic tool
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- Опубликовано: 8 сен 2024
- News on the 2002 Jaguar XJ8 (X308 series), and not all of it is good. On a couple of drives out, error messages popped up on the dash and the car went into limp-home mode. There are several possible causes of this, and in this video I begin to look into what the problem(s) might be.
Cars of this age (and newer), not just Jaguars, are very dependent on electronics, and everything - including battery, earths and various sensors - have to be 100% to keep all the computers and various modules around the car happy.
To help diagnose any problems and enable me to monitor various systems on the car "live", ie with the engine running, I bought an iCarsoft LR V2.0 diagnostic tool and in this video, I show some of its functionality. I've no links with the supplier or manufacturer of this gadget, I'm just showing what I bought to iron out niggles with the old Jaguar XJ8. After having sat for several years, I am not surprised that there are a few gremlins in the works.
If you own or are a fan of the X300 and X308 series of Jaguar saloons, please pop a note into the comments. There will be future updates on this work as time progresses and areas needing attention are identified.
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Had all the same problems with my 2 year old F Pace !! Failed battery created a Christmas tree effect of warning lights Stability control system, gearbox you name it I had the warning light on for it. Then shortly after that with new battery fitted same again. This time it was a wheel speed sensor that kicked off the light show on the dash. It’s now 6 years old and has required a DPF sensor and a glow plug so all in all not too bad. It’s still one of the nicest cars I’ve owned and the longer I have it the more I like it. I’m quite taken with your dads X350 as I worked on the design of the body shop to build the all aluminium glued and riveted body structure for that car. It was a money no object (Ford were paying) project for Jaguar.
Had an ABS traction control and gearbox limp mode problem for years on 2006 s type.. Revs limited to 2000 odd etc, then issue goes away for maybe a year. Dealer could not sort it had sensors changed and reluctor wheels cleaned etc; no change. Problem now solved. Rod switch for brake pedal travel monitoring on the servo was intermittently faulty. Changed out and located new servo just in case. Perfect. Hero Jaguar employee who has original factory test stuff did a free diagnostic for me. Could find no other issues on the car and concurred that keeping the battery on charge was very important. He could tell immediately by what codes flagged up or went away and pinpointed the issue. Begs the question as to why the main dealership could do no more than throw parts at it and empty my wallet. They are now defunct by the way! Hope you issues are permanently cleared up and you can enjoy what is a very nice vehicle.
Interesting stuff thanks for posting
The XJ8 styling remains as contemporary today as it did some 22 years ago, cheers Rick.
There's a lot to be said for older cars that are not over computer/electronically controlled - just like a proper 6 cylinder XK , and as with all cars to USE them as gremlins enjoy lack of it! Lol! Good work! And Harley keep up the A40 work instead of camera hogging - Double Lol Rob
I noticed the extension lead was not fully unwound, that is a major cause of fire. Most will say there was so little draw on the extension lead, that is true , but what happens if there is a fault on the charger or battery it may catch fire. Best to put the extension lead unwound outside the car and the charger as well if possible
I did say when you got the car that I would have expected the garage to have cleared the errors when fitting a new battery. Maybe they did but I think you are right about the amount of 'charge' that was in the battery, not fully charged. You also said that a new alternator was fitted so all of this adds up. I think you have done the right thing in changing the ABS sensors as they looked past their 'sell by date'. The diagnostics tool looks to be a good bit of kit and is essential on more 'modern' cars, just saves a lot of head scratching! As you say using the car is the most important thing now to 'blow away ' the cobwebs. I don't know if this problem occurs on these models but it's worth keeping an 'eye on' and that is water ingress into the boot on the offside near the battery. There is a module for the central locking located there and they can be 'toast' if they get wet. Yours looks very dry so you should be fine but I think you did mention something about central locking so I just thought i would mention it. (The cure is to reseal the seam that runs from the rear windscreen to the inside of the boot). Thanks for an interesting video Rick and god luck with the big cat. 👍👍
Curiously yes I thought it had a new alternator but when I peered under the bonnet (it's not easy to see) it still has what looks to be a very old alternator on it. Strange. Anyway, more on the Jaguar soon, it's not done with oddball gremlins just yet!
Hi Rick I have a S type Jaguar and when I first purchased the car , my local specialist strongly recommended that I do not disconnect the battery as it could promote dashboard warnings. He also suggested as I use the car infrequently to keep it on charge with a Cetek MXS charger maintainer. Good luck with your new car. Best wishes Alan
Yes I have pondered getting a battery maintainer, years ago I used one on our V70 to good effect
I had the same all lights on fault on my xk8 and it turned out to be the alternator
@@garethmiles9984 He said the Alternator looked new.....need to get it checked that its Charging the Battery Fully......
Well diagnosed sir. I had a problem with my Alfa 166 a few years ago were the temperature gauge would rise well above 90 degrees all the time time but the fan wouldn't cut in. Of course I was afraid to overheat the engine so I started by changing the thermostat thinking that it was stuck, then the fan relays and temp sensor having checked the fan motor was fine. It turned out to be the engine earth to the body which had started to corrode, cleaned it up and never had a problem after. It's always worth checking all earth points on any older car. Having worked as an electrical engineer on the railways I've come across this often, there always needs to be a good "current" return or things start playing up.
Interesting, I still need to check the main earth lead underneath the car
Your Jaguar is a beautiful car but like all cars, it needs to be used. As you said, while it was being used, it did a very small milage. It then sat outside for a long period not being used at all. I think it has stood up to this very well all things considered. I think with the way you look after your vehicles, this Jag will give you many happy years of motoring. Thanks for the video.
Thought you had a local woodpecker until you mentioned that Harley was hammering something.
that bradded wire on the bonnet is factory and is on the xj40 to xj308 models.😊
X308s are beautiful cars, some issues to be aware of include, nicasil bore problems, timing chains and tensioners, and auto gearbox failures ( usually requires replacing) jaguar owners club well worth joining.
I had similar issues with my S Class and in my case it was down to the batteries of which it has 3. It has a main battery, a dedicated auxiliary for starting only and another one to run some systems and if they are not fully charged they can cause all sorts of issues. I had to replaced the main and one of the aux ones. These cars must be used regularly. I have an ABS sensor issue at the moment when I apply the electronic handbrake which I rarely do and the error message disappears when I drive off. It will be replaced next time I have the brake pads renewed. I have had to replace an ABS sensor on the SLK which failed and actually stopped me lowering or raising the roof, replace one ABS sensor and the problem was instantly solved. To have a diagnostic unit plugged in at a Mercedes garage here costs £170 just to run the diagnostics. I don't pay that of course at my trust independent is used all the time.
Yes having a reliable indy specialist is a godsend with this kind of car. I'm not fully out of the woods with the Jaguar's re-awakening but I think I'm on the right path :)
Another interesting vid, I hope it’s all sorted soon, let’s put it down to being all part of the fun of old(ish) cars ! I found the first 12 mins quite informative but each to their own….👍
Well done perseverance pays off. There seems to be a frightening amount of electronics in modern cars all the more things to go wrong is my conclusion. I've noticed in the last few years mechanics seem to be referred to as technicians not actual mechanics. Give me a nice easy Morris minor straight forward and simple.
Your inner calm and steadiness is most impressive when faced with all these problems. Well done that man. It's a gorgeous car, the shape of it puts me in mind of a 1971 mark 1 Daimler Sovereign I used to run about 10 years ago. It lives in the RSA now! I hope your XJ8 settles down and doesn't give you too many more problems.Thank you.
Well done ! But while I was watching that all I could think was I would have kept the Pop. I am slowly being dragged into the more modern times with my newest vehicle, a 1989 Ford which after dealing with some sensor problems when I bought it has been very reliable although the yellow rear ABS light is flashing merrily. ( no MOT where I live ) Been told the part is no longer available so I should just scrap the car, ( Honest )
I loved the old grey Anglia but in the end I just had several cars, all with tiny engines, that kind of did the same thing (4CV, Standard, Anglia), so something indoors had to go to enable the Pilot buy
the earth lead might prevent radio interference
I appreciate your initiative to suss out the Jag's problems with the proper tools and parts. So far so good. Definitely put more miles on the cat.
Well done Richard . Calm and logical .......😊
Very enjoyable video
Thanks Brian!
Have worked on several modern Fords (Mondeo, Falcon etc), that were coming up with various complaints on the dash. The onboard diagnostics always assumes correct wiring, good battery and Good Earths. I have found remaking connections and earths, sometimes actually clears many faults and replacing sensors is actually just remaking these connections. Good learning experience. Your Jag looks very nice.
Well, you will play these rough games!
Good work, fingers crossed 🤞🏻
I bought a Icarsoft scanner several years ago, and it did everything I asked of it, my only concern when I bought it, was, if the company would be around, so I could update it..
Hope you have solved the problems job well done, I have much the same problem with my rover75 it was a abs sensor change it problems solved
nice easy remedy Rick
You can also go into live menu in all the modules ,,It's very handy when working out problems,,
I have a sprinter motorhome and I bought one of those soft code readers and I got that one because it covers everything I own, I found it does everything I need it to.😊
The code reader is correct with the date 2002-2006 for the x350 as I have a very early dealer demo 2002 x350.
hi Rick, very interesting, thank goodness i worked on pre 1982 vehicles mainly L/Rovers [ series 2a and 3 ] without star trek control systems., reckon capt Kirk would give u a job, regards to Harvey
My x308 as the bonnet .Eart lead broken. If it is an earth lead. Strange to have a lead on the bonnet. Oh well i must replace it. Best of luck sorting yours out.
Thanks, I was looking at an X300-shape Daimler Double Six the other day and that had an identical lead on it
Glad you were successful in getting the Jaguar sorted out. I am pleased that the Jaguar I once owned was built in the Sir William Lyons era - not as complicated. Not surprised you had trouble with the Jeep as these vehicles are well down on the list of J. D. Power reliable cars in America.
It all helps but there are still a few things to iron out I think!
Good news, it seems that you may have solved the issues on your Jag. For interest I checked the price of your iCarsoft diagnostic scanner in South Africa. The version 2.0 is going for £165, and the 3.0 for £ 200. Probably a lot less in the UK. Good luck, I hope your dash lights remain n off.
It has certainly helped although I don't think I'm fully sorted quite yet
Oh boy you are having my kind of luck recently. Hope it turns a corner soon It’s too nice for another plant pot 🌺
Ha me too, but not out of the woods just yet!!
Barely a minute in and my first guess would be either low battery voltage, or dry joints in the ABS module. Quite a common fault, and if you're handy with a soldering iron, a pretty easy fix.
Thanks yes I've read of both those issues, I think my alternator output isn't always quite what it should be, and I've read about the ABS module too. I still get a few errors so I'm not fully ok just yet.
You should always get a wire brush on your drill and clean the hole where the wheel sensor goes,,There always full of rust and dirt,,And will very quickly destroy the new sensor,,After cleaning with wire brush ,,Give a good spray of brake cleaner into the hole,,Then put a small blob about pea size of grease in the hole before putting in new sensor,,
Had the same issues with my x308, done everything you have, but keep the battery on trickle charger now and all ok..
Yep I think battery condition is essential
FYI, In case you are unaware, putting grease on a battery terminal is to seal the lead terminal and the plastic together as fumes from the battery escape at that joint and cause the corrosion you see.
Also having owned MANY Jaguars, if the alternator is suspect you will get all sorts of electrical problems.
Nice job on the Bonnet earth, I wonder why the original one corroded so badly, chineseium crap ?
I guess at 20+ years old the earth lead was getting on a bit, yes I have my doubts about the charging and/or battery. Something I'll be looking into asap.
Good car Rick look after it and it will last you years,
Whilst your looking at earth straps like the ground plane one for the bonnet,which is fitted to counteract electronic interference ,you would be well served to have a good look at the engine earth strap and also the lead from the body to the gearbox.good luck with it.
These Jags are especially prone to fuel filter problems after being sat around and not being used regularly,if you haven't had the filter replaced recently I would highly recommend that it's done as a matter of some urgency.'
Thanks yes I plan to run it up the ramps and check out the earths underneath
❤
A very interesting and informative video. So complex these days though, not like my early cars, morris minor 1000 and Austin 1100 where it was mostly feeler gauges but later high tech was a timimg light and perhaps a dwell angle meter! 😂😂😂
Yes I'm more familiar with points etc but it's interesting to delve into more recent weirdness too, briefly if possible ...
Hi Rick - oh dear - problems not long into ownership. All these 'electronics' in more modern cars - nightmare. Let's hope you have sorted out the gremlins now - fingers crossed. As you said, it had been standing for a couple of years - not a good idea. I bought a SAAB 900 which had been sat at a Garage for 2 years. All was well until I went on a motorway, and it started leaking gearbox fluid. Gearbox seals had dried out while stood idle, but some sort of special gearbox fluid revitalised them - phew ! Your Jag is a beautiful car - let's hope it behaves from now on. Take care 🙂
All pretty much expected after being laid up
I suspect the nearside sensor is the usual culprit due to the greater amount of roadside salt and crap that gets thrown up on the nearside.
I think various key systems just happen to use the nsr sensor for things to work
Harley is in limp at home mode! You seem to have a plague of gremlins attacking your fleet - first little Dodge and now the Jag. Hopefully the Renault won't be next on the menu.
Plus a few MX5 issues too so yes it's been a busy time
My XK8 throws similar faults . The likely problem now after going through list is a dirty gearbox filter , which is my next job. Code was P0706
Also seems like sub-par battery charging and/or a faulty soldered connection in the ABS module can cause these issues
Rick, get it all sorted and then sell it to me :)
Or buy your own and we can swap notes!!
There's a sensor on all four wheels,,
Tool kit on xj40 was in the boot
Over the years I have witnessed more than one old car enthusiast spend many hours and ££ in parts, only to find that the problem all along was a bad earth! 😅😅😅 Sometimes, earth leads can look very good on the surface but they need to be removed and descaled properly.
My brother had an Austen Cambridge that went everywhere for years and never limped anywhere.
Ok
is the charging whirler working well?
That's something I've been taking a close look at of late ...
I don't think using an open database connection will help 😂 wasn't your son taking the other wheel off? Was there an issue getting the other sensor off.
Yes we were going to do the other sensor too but with time short at the time, we shelved that plan for later
Clearly, you're working your youthful assistant too hard!
Oh my, the dreaded Jag electrical gremlin. The ridiculous complication of the system makes these problems almost an inevitability. I think there are several processors and each must recieve a handshake 8n a nanosecond, when you start up. If one is lazy at getting its hand out of it's pocket, it's sure armageddon! I hope you've bottomed it. These problems must cause many owners to give up and buy Japanese.
12 mins in before we get any useful information......a little too much repitition
Feedback appreciated ta
I disagree, no problem with the introduction
@@johnvanstone5336I get OPs point. For example the original OBD reader doesn’t work on the Jag.
That was mentioned when he was explaining that he’d tried it and realised it didn’t work.
It was mentioned a second time when he was waiting for the postie to deliver a new OBD reader.
It was mentioned a third time when the new OBD reader had been delivered.
If you enjoyed the video anyway that’s great, but for some the presentation style is a bit rambling and repetitive so I think the point was made constructively with good intentions and speaking for myself, I second it - Be as nerdy as you like, car guys are nerdy, but succinct, precise, and once will make the content eminently more enjoyable to watch!
Very good videos, nicely presented but waaaaay too much waffling and repeating of points.
Show, for example, the broken Earthing strap on the bonnet, advise it needs changing and show it being changed but "chafing, rubbing, routing, better to be safe because whitter, whitter, whitter"! 😩
Sorry but there is just far too much chatter with nothing being done!!!
@@kennybarclay4921 Agreed, but I hope this doesn’t dishearten the presenter - the basics of a popular car video are present, it just needs polishing in one or two areas - I’d suggest a) editing, if compiling video shot over a period of time as it may be easy to forget what you’ve already covered and b) considering not exactly scripting, as that can lead to wooden presentation styles, but at least having in mind what you want any particular segment to convey.
Have worked on several modern Fords (Mondeo, Falcon etc), that were coming up with various complaints on the dash. The onboard diagnostics always assumes correct and wiring, good battery and Good Earths. I have found remaking connections and earths, sometimes actually clears many faults and replacing sensors is actually just remaking these connections. Good learning experience. Your Jag looks very nice.