Jaguar Neutered My Exhaust!

stadidas

stadidas

New member
I had my 400 Sport in for a service yesterday, and to my immense disappointment on the drive home, I discovered that Jaguar have decided to quieten down my active exhaust to the point where below 3000 rpm I can't even tell it's on anymore! My service summary includes the following line:

"CARRIED OUT RECALL H251 - INCONTROL TOUCH PRO"

Everything else on the summary looks normal, so has this "recall" update knackered my exhaust? And if so, is there anything I can do about it? Will Jaguar change it back for me?

I'm sure many of you are like me in that you drive an F-Type because, yes, they look amazing and drive beautifully, but the main reason is for the noise. And an F-Type without the noise is not an F-Type as far as I'm concerned! Any help will be gratefully appreciated.
 
scm said:
Is the lack of noise at low revs even in dymanic mode?
Click to expand...

Yes, even in dynamic mode. It used to be the case that if I was cruising along at 70 in dynamic mode I could hear the exhaust droning away nicely. If I then switched to comfort mode, the active exhaust would switch off and the droning would stop. Now, driving along at 70 in 8th gear in either dynamic or comfort mode makes no noise.
 
I had H251 InControl Touch Pro update on my 2017 F-Type and the excellent exhaust pops and crackles are still there. H251 is an update on the media module and any tuner will tell you that they can't access that part of the F-Type - they only access the ECU. There is a dealer update to quieten the exhaust on start-up, and that my be your issue. Whatever, they should have declared all updates and if they have, as I suspect, directly affected your exhaust note, tell them to sort it and return it as it was.
 
I had a brand new F Type SVR. When I took it home, after delivery, it sounded incredible! Having owned a 400 Sport, the noise was one of the main reasons I bought it. I was then told the software needed updating and, unknown to me, they did something which made it a lot quieter. It just wasn’t the same after that hence now I have moved on to McLaren. Bloody EU!
 
Thanks for the replies everyone. The startup sound is the same as it was, it's just driving it doesn't have the drama that it used to.

Sir Jagalot said:
Whatever, they should have declared all updates and if they have, as I suspect, directly affected your exhaust note, tell them to sort it and return it as it was.
Click to expand...

I think that's what I'll have to do. Presumably I need to ask to speak to the service manager at the dealership and berate them until they agree to put it back how it was?
 
You might find they'll refuse to back it out if it's a Jaguar campaign that is deemed to be required.
 
scm said:
You might find they'll refuse to back it out if it's a Jaguar campaign that is deemed to be required.
Click to expand...

Yes, that's what I'm concerned about. It looks from here that it is possible to get them to revert a change, but it's a huge pain in the arse. I wish I'd known about ODB locks before the service! I told them I didn't want a software update but they said it had to be done…
 
I suspect they do it because they can get Jaguar to pay them for it, money for nothing. Apart from annoying their customers, of course.
 
I’ve had similar, car went in for some work and came back and the exhaust is quiet in dynamic mode, no pops or crackles any more. Thought it was me going mad.

This is on a MY16 V8 R
 
Next month my car is being pullied, remapped & 200 Cell catted. Shortly after that its due MOT/service. In light of this I spoke to Jaguar service advisor about software updates, more specifically, I do not want any.

Firstly he checked my car & said there were no updates outstanding. Think it would be wise for those using main dealers to ask this when booking in. Secondly you can request that only mechanical work is carried out on your car. This came from the service advisor who stated he has/would make a note on my records when I book in.

I’m certain that a specific, written request for no software updates will be honoured? If they couldn’t, I’d take my car to an independent. Surely Jaguar cannot do anything to your car if you’ve asked them not to?
 
You can't rely on service people following written instructions not to do something. I always specifically request not to wash the car, but it has been done twice on my other car. A big notice inside seems to help. It would be a shame to have your car quietened by mistake so locks and/or notices seem worthwhile.
My indie told me there should be an update but suggested to ignore it because of potential quieting. He wasn't sure.
 
There's only one way to ensure YOUR car is not modified without your consent:

https://www.jaguarforums.com/forum/f-type-x152-72/dynamic-mode-reset-drive-noise-tsb-ssm-216343/

Works for me at dealers... I do approach the subject with tact and diplomacy which seems to work.
 
I have a P300 and it was always my intention to replace this with a V8 primarily for the exhaust sound but given that the EU and Jaguar have now calmed it down to a purr I may as well keep the 2 litre and save myself some money.

I’m not sure how much of the exhaust sound I hear in the car comes from the exhaust and how much from the speakers but it sounds pretty good. I’ve never managed to get any crackles though.

Let’s hope they don’t try and make that even quieter. My daughters Fiat 500 sounds better from the outside.
 
Doing some more research, I came across a thread on jaguarforums.com, which appears to be broken but you can still view a slightly knackered cached version here: https://webcache.googleusercontent.com/search?q=cache:CqXBhumSouIJ:https://www.jaguarforums.com/forum/f-type-x152-72/car-sounds-different-after-software-update-147714/+&cd=1&hl=en&ct=clnk&gl=uk

The thread is about an earlier software update that apparently caused similar exhaust issues. People commented with things like this:

"I havent had a chance to drive it much after the issues and software update. The car is slowly starting to sound a little better. Now I can consistently get pops when manually shifting up from 2nd to 3rd at a higher RPM, but it still sounds tamer to my ear than before. It seems like the car is learning, I just need to drive it more and more aggressively to get back to where it was."

"Supposedly these cars learn your driving style and adjust shift points and other performance quirks accordingly."

"I suspect that a car driven harder than average before service might feel weaker and quieter after service."

Is there any truth in this? My system lost all of its settings and saved places etc after the update, so is it true that it has simply reset and just needs to "learn" my driving style? I have to be honest, this is the first I've read of F-Types learning and adapting to how you drive.
 
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