Hi Ross,

I'm learning a lot of you guys thank you. BTW I'm guessing PITA has nothing to do with bread so I'll go with some form of uncomfortable condition in the rear end!

I totally agree that the use of a decent scanner with Jag enhancements is the best way forward, and thank you for invitation. But having Jaguar dealers throw parts at the car over the years to no avail has put me off visiting one just now. Your final para may well come in to play (decent scanner cost Vs Main Dealer time) and I'll do some homework on this. Maybe Santa will drop one down my chimney on his way past??

I have nothing to loose by persevering a bit longer and will keep posting any headway in case it's of interest to others.

 

Ross you know I dont, I use Jaguar SDD/IDS and many times a Mac tools or Snap on hand held scanners because theyre faster for the "I just wanna read/clear codes not jump through flaming hoops" I have fixed many a CAN faults over the years and yes Ive put some wrong parts on too! Even Doctors make mistakes like the old race car drivers statement. If youve never crashed, your just not pushing it

 

Sorry guys...

A fundamental question I should have asked in the beginning: Would a lone P1642 CAN Bus error initiate the ABS/ASC/Trac and FSE faults or do these conditions require other 'events or failures' to trigger them?

By the way, I've spoilt myself by ordering a AutoEnginuity Scanner & Jaguar Enhancement pack. I don't expect it'll arrive this side of Crimbo, but should help identify some other hidden horrors. Thanks for the advice!

 

I think you will be happy with your self awarded Christmas present!
As to the interlocked faults, it could be, since the ABS must get data from other modules to operate, so it very well could go into fail safe if the other data (like engine speed) were not available. Soon, you will be able to look at some of the parameters that are shared between the modules. Yes; you will also probably find a bunch of the hidden horrors mentioned.

 

Chris,
While waiting for Santa can I suggest you put the car details in your signature since I can see this thread outlasting the Mayan Calendar and it helps to see your car details easily.

 

Hi Steve,

I'm not sure if your comment is good news or not? Either way I'll try and figure how to execute your suggestion.
Regards

 

If you break the CAN bus at the gear selector illumination module then you disconnect the ABS ECU from the instrument cluster - it would fit the symptoms. The messages that the instrument cluster dishes out might only bear a passing resemblance to the actual fault though!

 

When you break the bus, you need to apply a terminator resistor (150 ohm, I believe) across the data leads of the poprtion yuou are trying to troubleshoot.

 

Hi Chris, not wanting to cloud the issue, but when I looked for P1642 I found this. P1642 = Fuel Pump Monitor Circuit High Input.
Maybe after sitting for a while it produced a lot of crap in the fuel tank, which might have clogged your fuel filter, making the pump work hard.

good luck

 

Could be something to do with the particular implementation. My obdlink "elm emulation" does not exhibit this behaviour.

The Mongoose/IDS combo will work with X308. It drops you immediately to IDS mode from the initial SDS interrogation for the VIN because SDS does not cover that model. The VIN must be input manually as it is not available for automatic reading.

If someone is not too picky about the hardware side, they can equip themselves with the system for under $125.

 

Chris,
Scroll up to the very top of the screen, on the L is user cp. Select, look for 'edit signature' and there you go.
JTIS says 1642 is a CAN Bus s/c or module fault.

Ross, I don't pretend to understand the wonders of CAN but I thought the ECM checked each module on the bus at startup and if they didn't all say 'Morning Sir' it would spit its dummy out so wouldn't attempting to terminate the bus part way also cause problems ?
Jim pointed out earlier in this thread that the instrument cluster is a common culprit
https://www.jaguarforums.com/forum/a...an-failure-pdf
applies to 2000 XJs in the VIN range shown in the pdf.

 

you cannot reflash any modules with the mongoose on the x308 platform, so really of no use if a module failed and a replacement fitted, i.e. ABS ECM TCM BCM etc, the Rotunda hardware gives this option though.

By the by, the autoenginuity will find the issues.

 

Steve:
Yes, I agree that the bus woould not be happy, but I was referring to a diagnostic alluded to by markocosic in a previous post. With the AutoEnginuity sanner chris has purchased, he can read bus drop parameters and if the bus is not responding, then he might need to break it up to get a clue who is trashing the bus.

The referenced tech bulletin does not seem to apply, assuming that the factory engineers had it right. It says "Do NOT replace the instrument pack unless the vehicle shows ALL of the above symptoms of electrical circuit malfunction." and chris has not described having the issues referenced.

Pete:
You have to be careful, especially with Jaguars to have the correct "manufacturer specific codes. The generic one you referenced has nothing to do with Jaguars.


By the by, I agree with Sean.
"By the by, the autoenginuity will find the issues."

 

The Autoenguinuity won't flash either. So for someone who has no system other than a generic reader, the field remains open. The advantage of the Mongoose JLR is that it will read everything and is not dependent on Autoenginuity bug fixes. It is true that SDS/IDS will also have bugs, but it is at least the Jaguar official software.

Jaguar has dropped all official support for legacy VCM based hardware and moved to J2534 interfaces such as the Mongoose and a handful of other brands as the officially sanctioned interfaces.

 

Ross,
There are a number of threads where the instrument pack resolder has fixed lots of different CAN errors.
I remember scrabbling about trying to help and Brutal appearing with one of his abrupt and intuitive one liners to the effect 'it's the instrument pack, you twerp' - and it was.
As everyone says Chris's Chrissy prezzy will, presumably, finger the naughty boy.

 

plums;
So with no support for the VCM (ouch!), which interface is the official one to download module configurations?


steve;
Well, that would not be the only time the factory did not get it right, huh?

 

You would have to ask Jaguar.

In practical terms, if the VCM is the only animal that can do it, then no one is about to throw theirs out as long as it works. It's going to be like any "x" year old car ... you scrounge what you need or do without. There are dealerships and specialists who own every single variant of diagnostic equipment that was standard issue. They won't be throwing them out any time soon.

When a vendor declares end-of-life on a product, they don't say you cannot use it. They just don't want you crying to them if it doesn't work. Their answer is going to be "not supported since yyyy-mm-dd and the notification came as of yyyy-mm-dd. Is there anything else I can help you with today?". This is especially true if version 150.x of SDD does not work with a VCM. As long as it works with the J2534 devices officially blessed by Jaguar, then life is good.

In at least one case, there is a model year 200x module that cannot be programmed because support for is not there. The work around is to install it in a model year 200x+ vehicle, program it and move back to the model year 200x vehicle. All explained by one of the techs in the clone thread.

BTW, is this not reminiscent of the situation with the latest version of the Autoenginuity not fully supporting the Jaguar enhancement package because they had a choice in pinouts of supporting Jaguar or Mercedes ... and Mercedes got the nod presumabley due to market potential?

 

Hi,

No Autoenginuity from Santa any time soon Apparently some sort of shipping issue from the States using my credit card?? I couldn't be asked to bottom it out so I picked up A VCM 'Rotunda' kit yesterday following reading several references to their use on this site.

Seems I just lost two days of my life installing JLR software, then uninstalling, then reinstalling updated V131, reinstalling yet again after PC hang, only to find that the device / software can not read the XJR's VIN and if I enter it manually a message appears to kindly inform me that my vehicle is not supported! Oh good!!

The software supplied with the VCM has very little in the way of 'user manuals'. Particularly for the Jaguar JLR usage.

Can any of you guys please offer me some guidance here, or is a given that a 1999 XJR8 isn't supported by this unit? Despite the sales lit' mentioning that Jaguar Cars are supported from 1996 onwards.

Apologies if this question should have been raised on a separate thread...

Thank you in anticipation.

PS: Sorry forgot to mention also tried loading on both Windows XP Pro and Win 7 platforms.

 

Chris:
I believe you need to buy a subscription from Jag to use that version,. I would advise to try and get V129. There is a guy in the UK that has it on a website with a "pill" to get it working. I am away from my notes, but you should be aboe to find it with google. Look for Jaguar IDS and "pill".

 

First, the hang that you encountered was not a hang. There is one of the modules where the dialog box says "will now install in background". It chugs away in the background for literally hours as it reads and writes data. If you reboot in the middle, it will not complete properly. The only way to know that it finished is by checking in task manager. Look at data reads and writes between the two processes involved. If you are using a laptop, the disk drive activity light might be an indicator. Mine has a solid state drive without any activity indicator. With that drive, it took the duration of a movie to complete. Carmen Diaz visiting in the UK over Christmas.

The requirement for manual entry of the VIN is normal for your particular vehicle. Then it finds out it is "not supported" in SDD. You are then given the choice to continue in legacy IDS. If you choose to continue into IDS ... that is where you want to be. The clone thread has links to PDF manuals.

Version 131.04 and under do not require a network connection to work. Version 131.06 does.