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Key FOB not recognized

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  #1  
Old 07-05-2022 | 02:19 PM
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Default Key FOB not recognized

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14,000 mile 2015 S Type sat on trickle charger for one month; car will not recognize key fob. Car has power; moved the FOB to the place on the dash where the owner's manual suggested.
Replaced FOB battery. Ordered new battery just in case. This bonehead forgot to get an additional FOB after purchasing it used 9 months ago.
Now the car is nosed in a tight garage and hope it can be started with the "KVM" module in the trunk. Full disclosure, I have no idea what I am talking about after SU carbs.
 
  #2  
Old 07-05-2022 | 03:02 PM
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Try to do a hard reset and see if it works.
https://www.jaguarforums.com/forum/x...-reset-154078/
 
  #3  
Old 07-05-2022 | 03:50 PM
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Originally Posted by 2018XF25T
Try to do a hard reset and see if it works.
https://www.jaguarforums.com/forum/x...-reset-154078/
For some reason, that scares the crap out of me! Sure appreciate the advice. I wish Joe Lucas would weigh in as well. I miss him.
 
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Old 07-05-2022 | 06:41 PM
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Hard reset is no big deal; just pull the cable off for a couple of minutes.
You're showing our age by bring up the much maligned J.L. Between the S1 electrical and the triple carbs, you've seen much, much worse. Probably had to pull the engine to do that clutch, too.

(Cheers from a S1.5)
 
  #5  
Old 07-05-2022 | 06:45 PM
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5mins of disconnecting the negative is the same thing. I guess if you cant wait 5mins this is faster. Makes sense if you have 20 cars to service in a day but why risk it.
 
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  #6  
Old 07-05-2022 | 08:13 PM
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Hahaha the Lucas nightmare and the Stromberg carbs. Hahaha. Very familiar with that combo on my old Triumph
 

Last edited by Roost5o; 07-05-2022 at 08:15 PM.
  #7  
Old 07-05-2022 | 08:25 PM
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Originally Posted by uncheel
...Probably had to pull the engine to do that clutch, too...
Ugh, now that hit close to home. My sister had an MG Midget and I helped her change the clutch. For such a small engine, it was quite the ordeal... geez, I think I recall it was a carbon throwout "bearing". The odd thing that minds remember, must be due to the mental scaring...
 
  #8  
Old 07-05-2022 | 08:33 PM
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Originally Posted by Roost5o
Hahaha the Lucas nightmare and the Stromberg carbs. Hahaha. Very familiar with that combo on my old Triumph
He mentioned SUs, not Strombergs I've had both on my cars. The Strombergs seemed a little more modern. D-Jetronic sometimes made me miss carburetors, K-Jetronic at times as well. Riding a Ducati with injection on a trip that included everything from near sea level to a 12,000 foot pass cured me of that. It never missed a beat.

Back on topic: I've got an issue with mine right now that the fob is not recognized on the passenger side, but is on the driver's side and inside the car. I suspect the antenna (there are a number of them) or the wiring, and will know more in a few weeks when it goes in for service. If holding it next to the spot inside that is indicated doesn't allow the car to start but the buttons on the fob lock and unlock the car, it's probably not the battery.
 
  #9  
Old 07-05-2022 | 08:45 PM
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May or may not be useful: here are the fob antenna locations in the convertible - this is in the manual.
https://www.dropbox.com/s/m5n0e5yn82...0vert.JPG?dl=0

 

Last edited by DJS; 07-05-2022 at 08:48 PM.
  #10  
Old 07-05-2022 | 09:11 PM
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SUs we’re on my Datsun Z car before I went to Holley. Strombergs I rebuilt on my Triumph I believe. It’s been decades at this point

Originally Posted by lizzardo
He mentioned SUs, not Strombergs I've had both on my cars. The Strombergs seemed a little more modern. D-Jetronic sometimes made me miss carburetors, K-Jetronic at times as well. Riding a Ducati with injection on a trip that included everything from near sea level to a 12,000 foot pass cured me of that. It never missed a beat.

Back on topic: I've got an issue with mine right now that the fob is not recognized on the passenger side, but is on the driver's side and inside the car. I suspect the antenna (there are a number of them) or the wiring, and will know more in a few weeks when it goes in for service. If holding it next to the spot inside that is indicated doesn't allow the car to start but the buttons on the fob lock and unlock the car, it's probably not the battery.
 
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  #11  
Old 07-06-2022 | 07:17 AM
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Originally Posted by uncheel
Hard reset is no big deal; just pull the cable off for a couple of minutes.
You're showing our age by bring up the much maligned J.L. Between the S1 electrical and the triple carbs, you've seen much, much worse. Probably had to pull the engine to do that clutch, too.

(Cheers from a S1.5)
Mechanical things can be sorted out, but try replacing rear brake pads on an E Type!
My 1966 Mini was easy to figure out. 2003 and 2006 Minis had to be sold because the computers were all fighting with each other.
But I sure appreciate fuel injection and electronic ignition!
 
  #12  
Old 07-06-2022 | 08:05 AM
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Originally Posted by Harley N
Mechanical things can be sorted out, but try replacing rear brake pads on an E Type!
I know I'm getting rather off-topic, but you reminded me of when I moved to CT with the E-Type. CT required a safety inspection of all cars moving into the state, and mine failed because the parking brake was essentially useless. Their test was to have you put on the parking brake, take your foot off the main brake, and pop the clutch to see if the car would hold well enough to stall out. Mine wouldn't. I expect you're familiar that the parking brake is separate from the main brakes and runs through the rear end. A real PIA and I didn't have a bay available to get into it. So, I hijacked the toggle switch for the windshield washers and ran the rear brake lights through it. On the retest, when they said to take my foot off the main brake, I just quietly flipped the switch. The brake lights when out and the car dutifully stalled when I popped the clutch. Ta-da.
 

Last edited by uncheel; 07-06-2022 at 08:07 AM.
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  #13  
Old 07-07-2022 | 11:01 AM
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Carefully removed the negative battery post for a good twenty minutes. Now I have a completely dead car. Yes,, all connections are tight.
 
  #14  
Old 07-07-2022 | 06:35 PM
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Is this your original battery or the new one you bought? If it’s your new battery then you have a parasitic drain that you will need to track down. If it’s your original then maybe it’s just finally given up .
 
  #15  
Old 07-08-2022 | 12:34 PM
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Originally Posted by Borbor
Is this your original battery or the new one you bought? If it’s your new battery then you have a parasitic drain that you will need to track down. If it’s your original then maybe it’s just finally given up .
The battery is fresh and always on a quality maintainer. I know how sensitive they are to low charge.
 
  #16  
Old 07-14-2022 | 06:37 AM
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Did you ever get this sorted?
 
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  #17  
Old 07-14-2022 | 04:21 PM
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[QUOTE=Dan Bennett;2544978]Did you ever get this sorted?[/QUOTE
We left town for a bit. Still sitting in the garage. having a tech look at it next week. My fear is it will have to be dragged out of a narrow garage! Hope it does not come to that.

Sincere thanks for checking up on me, I definitely will report what I hope is a happy ending. (I still have a warranty on it)
 
  #18  
Old 07-14-2022 | 07:27 PM
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Unrelated to your problem but I got mine solved, although for a price. A rodent had chewed on the wiring between the antenna (right in front of the rear wheel) and the junction (I think in the passenger footwell). I'm not sure if they pulled the rocker panel or something underneath, but the tech soldered it up and it's working again.
 
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  #19  
Old 08-08-2022 | 12:30 PM
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Bad Key FOB. Tech got it started with a couple of small niggles they are sorting out, like the auto rear hatch (like it is necessary)

Don't be an idiot like me with only one Key Fob. Next stop will be a Dealer for another one. (bought used last year)
 
  #20  
Old 08-08-2022 | 01:55 PM
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Originally Posted by Harley N
Don't be an idiot like me with only one Key Fob.
Buy a new car now and you might only get one key due to semiconductor shortages.
 
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