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Climate control failure

13K views 11 replies 6 participants last post by  Karlos  
#1 ·
I noticed today that it was getting a bit chilly so I turned up the temperature , and again, and again but it wasn't getting any warmer. I've just spent the last half hour in the car on the drive with the engine running turning on every switch or dial on the climate system and nothing seems to be working. (The buttons light up ok and the display seems to be ok)

I've turned up the temp to max, the blower to max and opened the feet, dash and screen vents and nothing seems to be happening. I've turned the A/C to 'LO' max A/C , Max screen defrost and still nothing - I can't even hear the fan blowing. I've booked the car in with Inchcape next Monday to get it looked at it under warranty.

Has anyone else had climate the system fail in such a way?

There isn't a system reset button is there? I don't want to appear a numpty in the workshop if I've missed or cocked up something obvious.

Paul.
 
#2 ·
I noticed today that it was getting a bit chilly so I turned up the temperature , and again, and again but it wasn't getting any warmer. I've just spent the last half hour in the car on the drive with the engine running turning on every switch or dial on the climate system and nothing seems to be working. (The buttons light up ok and the display seems to be ok)

I've turned up the temp to max, the blower to max and opened the feet, dash and screen vents and nothing seems to be happening. I've turned the A/C to 'LO' max A/C , Max screen defrost and still nothing - I can't even hear the fan blowing. I've booked the car in with Inchcape next Monday to get it looked at it under warranty.

Has anyone else had climate the system fail in such a way?

There isn't a system reset button is there? I don't want to appear a numpty in the workshop if I've missed or cocked up something obvious.

Paul.
Yes, the same things happening but in different weather conditions.
Travelling down the M1 from East Yorkshire to London, very hot sunny day and set to 16 degrees with aircon and all working lovely. Then it got warmer in the car, turned it to 'LO' but fan was slowing, turned to max aircon but nothing coming out of the vents, all lights, buttons and dials gave the impression there was nothing wrong but all was eerily quiet with no blower at all. Concluded the journey and next day all was back to normal.
That was abut 3/4 months ago and its been working OK since, although I feel that a calibration of the sensors/modules would be of benefit as I don't think the climate control is responding that accurately between my setting and what it is outputting.

Would appreciate a reply when your Dealer sorts it, as I've just accepted it as a one off glitch.
 
#3 ·
Sounds like a classic modern jaguar moment. Most such faults are 'fixed' by shutting the car down, locking it and leaving it for half an hour as they tend to be a software crash. I did have a similar problem on a previous car though (a Mini) - a plug had come loose stopping the fan powering up, I had an extremely cold drive home in mid-winter as a result.
 
#4 ·
Not in this case I'm afraid, it still wasn't working yesterday. I'm hoping it's still not working when it goes to the dealer as intermittent faults are more difficult to diagnose.
 
#5 ·
Hi,
Your sig suggests your car is covered by Jag assist warranty. There is a reason why despite the foibles of JLR reliability people buy more cars as they really are good, and would probably have had a tec out later that day or following morning. Can also help expedite the process and if car is off road for repair they have pool cars which sometimes the dealer struggles with. Anyway just wanted to make everyone else aware as clearly you have yours booked in quickly.
 
#6 ·
You've raised a point that I was going to ask.
I'd assumed that Jaguar Assist was to be used purely for breakdowns and that non-breakdown issues should be booked in at the dealer.? Should I have called assist first and if they couldn't resolve the problem only then call the dealer?

Incidentally, I was talking to someone today who told me that the fan in JLR vehicles is prone to sticking and can be fixed with a whack from a suitable tool. I was rather hoping to get a new part fitted rather than a neanderthal hit random stuff under the bonnet only for the same issue to occur again after expiry of the warranty.

I'll hopefully find out more tomorrow.
 
#7 · (Edited)
I've just had a call from Inchcape Chester to say that my vehicle is ready for collection. I'm told that the fault is that the "blower motor had stalled". " It's been restarted but if it happens again it will need a new motor".

I asked - That's all well and good if it fails again during the warranty period (until June 2022) but if it fails outside of the warranty given that it's had a documented fault within the warranty period will it be covered.?

"No" came the reply, " You may get a couple of months grace but after that, no. That's why we recommend you take out an extended warranty."

I'll bet you do said I...

* Edit update. *
When I picked the car up the young lady (Helen) from the phone call took a more conciliatory tone. She told me that " the fix applied to the blower motor was an approved JLR fix and that 99% of motors never come back, I got the impression on the phone that you weren't reassured?" She said. " I wasn't" I replied.
She went on to tell me that should the motor fail again outside of warranty then she would speak to JLR to tell them that there was an issue with it inside of warranty.

Pretty much what I'd asked for on the phone earlier.

The job sheet listed the following...

Investigate no interior fan, removed scuttle panel re engaged motor, refit panel & test ok.
cp 809020 0.5 101010 0.2 (DJ)
 
#8 ·
Today, the fan failed again. :(
I called Inchcape in Chester, who quite honestly didn't want to know and told me to call Jaguar Assistance. I called them and arranged for them to meet me back at my home address.
I was about a mile from home when out of the blue the fan kicked in working again on max defrost .

The assistance van duly arrived at my home address about half an hour later. I explained to the mechanic that the issue now would seem to be intermittent. He checked it out and said that the fan itself was spinning with no tight spots, he gave it a squirt of GT85 lube and connected his laptop to check for fault codes.
He discovered that there was a software update available for the "Hvac module to eliminate software/module fault".
I'm assuming Inchcape didn't bother to check this when they had the car.

He said that he was reasonably confident that there didn't seem to be a problem with the fan and that the update should eliminate any sofware issues but that I should monitor the situation just in case.

Whilst waiting for the update to load I asked him what's involved with fitting a new fan motor should it need one.
When the scuttle panel is removed the fan can be seen, but it can't be accessed for removal from the engine bay because its buried on the interior side of the bulkhead behind the dashboard.
He said that the whole dashboard would need to be removed and it would probably be the best part of a two day job to swap it. :eek:
 
#9 ·
And it failed again for the 3rd time. Jaguar assistance came out again, spun the fan back into action again manually using a 3 foot length of threaded bar poked through the scuttle opening and gave it a squirt of WD40.

"It needs a new fan" he said and mailed myself and Jaguar to say as much.

The car went into Inchcape last week for a new fan to be fitted, details of the work are below should anyone else experience the same issue in the future.

"Removed drivers lower dash panel for access checked ground and power connector - was 12.8v. Removed glovebox and replaced blower".

It was a warranty job obviously, but was costed as -
Parts £122.33 . 3 hrs labour £271.11 Total £393.44

Let's hope that's the end of the problem.
 
#11 ·
A working heater and fan is a mandatory feature of cars. Without it, it can't be approved for the road and may fail MOT. Given that this is a safety issue, it is also subject to mandatory complaint logging by dealer/importer and possible recall. It appears that with their "99%" statement they confirmed this is not an uncommon issue. Raise the matter with the UK DfT or VCA with dealer in copy. Small caveat is of course that this is EU regulation that some folks in the UK despise and rather be left to their own devices...
 
#12 ·
I noticed today that it was getting a bit chilly so I turned up the temperature , and again, and again but it wasn't getting any warmer. I've just spent the last half hour in the car on the drive with the engine running turning on every switch or dial on the climate system and nothing seems to be working. (The buttons light up ok and the display seems to be ok)

I've turned up the temp to max, the blower to max and opened the feet, dash and screen vents and nothing seems to be happening. I've turned the A/C to 'LO' max A/C , Max screen defrost and still nothing - I can't even hear the fan blowing. I've booked the car in with Inchcape next Monday to get it looked at it under warranty.

Has anyone else had climate the system fail in such a way?

There isn't a system reset button is there? I don't want to appear a numpty in the workshop if I've missed or cocked up something obvious.

Paul.
Had exactly the same thing happen to me 8 weeks ago still no eta for the part. Now driving a diesel Range Rover Sport oh the hardship Jaguar are going to reimburse all the diesel I am using so all will ok eventually.