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Discussion Starter #1
There was an outstanding recall for my car:

H033 - Side impact sensor wiring harness incorrectly designed

So took it in yesterday to a local Jaguar service centre and waited for it to be done. At about time for it to be completed one of the reception staff came over with a car key and a piece of paper. 'I am sorry', she said, 'but in order to do the work we had to disconnect the battery and now the central locking is not working. We have found a Service Bulletin about this and need to order a couple of components but they are on back-order one of which we are expecting in on the 26th, in the meantime there is a loan car outside and we will keep you updated'. Subsequently, received a call from the person filling in the warranty claim form who told me that they will mark it 'car off road' which will hopefully speed up the receipt of the parts. I also checked that it would be a warranty issue and no cost to me which I was told it would.
 

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Yes both fuseboxes I understand
 

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Discussion Starter #3
Yes, they mentioned 'junction boxes' so presume what Jaguar calls fuseboards..
 

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There was an outstanding recall for my car:

H033 - Side impact sensor wiring harness incorrectly designed

So took it in yesterday to a local Jaguar service centre and waited for it to be done. At about time for it to be completed one of the reception staff came over with a car key and a piece of paper. 'I am sorry', she said, 'but in order to do the work we had to disconnect the battery and now the central locking is not working. We have found a Service Bulletin about this and need to order a couple of components but they are on back-order one of which we are expecting in on the 26th, in the meantime there is a loan car outside and we will keep you updated'. Subsequently, received a call from the person filling in the warranty claim form who told me that they will mark it 'car off road' which will hopefully speed up the receipt of the parts. I also checked that it would be a warranty issue and no cost to me which I was told it would.
Have you a 2.2 D?
i seem to recall someone posting about disconnecting the battery on a 2.2 The bcm lost info about keys and had to be reprogrammed or in jag world replaced ;(
 

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Discussion Starter #5
Have you a 2.2 D?
i seem to recall someone posting about disconnecting the battery on a 2.2 The bcm lost info about keys and had to be reprogrammed or in jag world replaced ;(
No, it is a 3.0D 2013MY
 

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Just a thought (as I'm finding it difficult to understand why just disconnecting the battery would cause such problems), I wonder if these cases have been caused by the +ve lead being taken off, causing a spark and corrupting data in modules. Just a thought.
 

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From what I can remember, it's a fault with the CJB which could potentially have occured at any point, but disconnecting the battery causes it to lose its memory.

I seem to remember someone downloading the information from one part of the CJB and uploading it to the corrupted part using a eeprom read/writer.
 

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Yeah I think it was Onotole but this was a 2.2 I think
 

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Probably just needs a recode. The CJB and AJB replacement is most likely unnecessary - my local Jag specialist knows all about this as well, took 20 mins and £60 to fix. Happened to me and many others. I waited for all systems to shut down before disconnecting the battery and I also covered up all terminals etc to make sure nothing sparked and it still happened.
 
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Discussion Starter #10
Probably just needs a recode. The CJB and AJB replacement is most likely unnecessary - my local Jag specialist knows all about this as well, took 20 mins and £60 to fix. Happened to me and many others. I waited for all systems to shut down before disconnecting the battery and I also covered up all terminals etc to make sure nothing sparked and it still happened.
Well, replacement is what the dealer is going for. Would be interesting to know what the SB says. Could it say, try a recode and if that fails then new units?
 

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Well, replacement is what the dealer is going for. Would be interesting to know what the SB says. Could it say, try a recode and if that fails then new units?
Probably because it's under warranty they will just go all out.

I did notice that when I renewed my battery I let the systems shut down and then I swapped them over as quickly as possible and all was fine. It was when I replaced the alternator that caused the problem. The only difference is that the battery was disconnected overnight. I remember coming across a post online which also suggested that the risk of this happening may be higher the longer the battery is disconnected. That doesn't make very much sense to me and I suspect there is probably a certain time where it happens, perhaps a capacitor runs out or something, it's beyond me.
 

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Discussion Starter #12
Probably because it's under warranty they will just go all out.

I did notice that when I renewed my battery I let the systems shut down and then I swapped them over as quickly as possible and all was fine. It was when I replaced the alternator that caused the problem. The only difference is that the battery was disconnected overnight. I remember coming across a post online which also suggested that the risk of this happening may be higher the longer the battery is disconnected. That doesn't make very much sense to me and I suspect there is probably a certain time where it happens, perhaps a capacitor runs out or something, it's beyond me.
Ah, but it is not in warranty. However, Jaguar issued the recall - and from the description a safety critical one. One of their dealers took on the work and the central locking failed due to the work requirements. The recall was due to a design fault and as Jaguar has issued a TSB about the problem of disconnecting the battery it seems that the JBs are also a design fault.
 

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Ah, but it is not in warranty. However, Jaguar issued the recall - and from the description a safety critical one. One of their dealers took on the work and the central locking failed due to the work requirements. The recall was due to a design fault and as Jaguar has issued a TSB about the problem of disconnecting the battery it seems that the JBs are also a design fault.
Sorry, I just saw these bits (below) and figured it was under a warranty. So I'm guessing what you are saying is that because it's happened under their watch then they need to fix it, but they don't want it to be at their expense so they are trying to claim from Jaguar?

If so then this will be interesting because if they can claim for a replacement CJB and AJB due to the TSB then surely the same should apply to everyone else? (yeah right lol). But if they can't claim I wonder if they will still replace the components or just do the software fix instead..



There was an outstanding recall for my car:

H033 - Side impact sensor wiring harness incorrectly designed

So took it in yesterday to a local Jaguar service centre and waited for it to be done. At about time for it to be completed one of the reception staff came over with a car key and a piece of paper. 'I am sorry', she said, 'but in order to do the work we had to disconnect the battery and now the central locking is not working. We have found a Service Bulletin about this and need to order a couple of components but they are on back-order one of which we are expecting in on the 26th, in the meantime there is a loan car outside and we will keep you updated'. Subsequently, received a call from the person filling in the warranty claim form who told me that they will mark it 'car off road' which will hopefully speed up the receipt of the parts. I also checked that it would be a warranty issue and no cost to me which I was told it would.
 

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Discussion Starter #14
Safety recalls have nothing to do whether a car is in or out of warranty. The UK authorities can require a manufacturer to instigate a recall though it seems a little weak in this area or a manufacturer instigates it presumably because if there are crashes and more importantly injuries and death it is not the best publicity.

Away from automotive matters in the UK there has been the controversy with washer dryers catching fire and the slowness of repairs.

My understanding is that in the USA the authorities are far harder on manufacturers.
 

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Safety recalls have nothing to do whether a car is in or out of warranty. The UK authorities can require a manufacturer to instigate a recall though it seems a little weak in this area or a manufacturer instigates it presumably because if there are crashes and more importantly injuries and death it is not the best publicity.

Away from automotive matters in the UK there has been the controversy with washer dryers catching fire and the slowness of repairs.

My understanding is that in the USA the authorities are far harder on manufacturers.
Yes I know re. recalls, but isn't your problem with the central locking which isn't part of any recall and is simply a consequential issue? I'm confused now as to why there was any mention of a warranty in the first place.

I agree about the USA, in particular with Honda there was a lot of recalls for the various models out there yet over here the identical models didn't have a recall. But then in America Honda are huge whereas here, well they've pulled out now.
 

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The only way forward is replace to the CJB but Onotole could download the program from backup memory and restored the main memory with that using a flash memory reader/programmer and it worked. Don’t know what is the point of having backup memory if it cannot use it.

What year is you car? I had this issue last year. Airbag light came on. After studying the wiring diagram I found that left side impact sensor #2 that is behind the rear left side bolster seat was faulty. Before ordering the replacement, I found that 20cm upstream the wire was cut due to being rubbed against the bolster. Soldered them and it was sorted. Wondering if that was the reason for the recall?
 

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It may not be a "backup" memory as such, it just might have been used for different processes and contains the same data. As said, he was obviously fairly knowledgeable in electronics to be able to use eeprom read writers etc. At the same time, he didn't have anything to lose as it would have been going in the bin if he couldn't do anything with it.
 

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Discussion Starter #18
Yes I know re. recalls, but isn't your problem with the central locking which isn't part of any recall and is simply a consequential issue? I'm confused now as to why there was any mention of a warranty in the first place.
You were the one who assumed it was a warranty job.

The car went in to the dealer with the central locking working. Obviously, as part of the work for the recall required disconnecting the battery and due to what must be a problem known about by Jaguar there is now a problem with the central locking. Is it right that the dealer say, which they are not, here's your car, the recall work has been done but you will not be able to use your car because of the problem of the central locking not working because we disconnecting the battery? OK, with older cars, disconnecting the battery would mean that you would need to input the radio code. However, most modern cars have what is now an 'entertainment' unit needing no code as it is integrated in to the system via the VIN. Is it not a little ridiculous that to replace a battery, which is something that will happen at least once if not more often in the life of a car that you need to add a shed load of money to the cost as well as the cost of the battery?

At no point was I informed that 'if we carry out the recall', which is to do with safety, 'that the central locking will no longer work'. Surely, I should expect the car to come back as it went in with the recall actioned. In the meantime I have a 2 month old loan vehicle with 1,300 miles on it.
 

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Consider you have a repair done to a vehicle by a dealer, say the repair was to replace part X which has broken. While the garage is replacing part X, part Y breaks. The garage take no responsibility for breaking part Y saying it was due to wear and tear which was identified during removal of part X, so you'll be charged for part Y. Just because the garage had to disconnect the battery which consequently caused the central locking to fail, does not imply the garage is at fault to repair/replace the system at no charge unless you could prove negligence. I think the dealer is being more than fair in supply a curtesy car and making no charge for the repair to the now failed system. If I have to reboot a customer's IT system and on restart one of the power supplies fail, I don't have to supply a free PSU.
 
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