brand new XFS suffering from Battery flattening itself.
Discussion
As the title says. The old man has just purchased a new top of the range XFS from Jaguar 2 weeks ago. Last week he got into the car and it wouldn't start, the battery was dead. He managed to jump the car and just thought it was just one of those things. Saturday morning he got into the car and again, the car was completly dead.
I am in the market at the moment for a XKR and looking on the WhatCar website it lists batteries going flat for no apparent reason as one of the known faults with this car. Now i'm guessing the electrics in these new model Jags are pretty much the same. Any ideas what is causing this? some electrical short somewhere? anybody suffered from something similar?
The car is being looked at by Jaguar today so hopefully they will get to the bottom of this because having the battery just die for no apparent reason obviously has the potential to leave you abit stuffed, especially if you are in the middle of nowhere.
Any ideas chaps?
I am in the market at the moment for a XKR and looking on the WhatCar website it lists batteries going flat for no apparent reason as one of the known faults with this car. Now i'm guessing the electrics in these new model Jags are pretty much the same. Any ideas what is causing this? some electrical short somewhere? anybody suffered from something similar?
The car is being looked at by Jaguar today so hopefully they will get to the bottom of this because having the battery just die for no apparent reason obviously has the potential to leave you abit stuffed, especially if you are in the middle of nowhere.
Any ideas chaps?
My 2001 S-Type did this at random intervals averaging about once a month. Knowing full well that I could pay a dealer £££ to find nothing wrong, I took the pragmatic route of keeping a spare battery with me at all times and I got pretty adept at swapping them over. The immobiliser didn't mind and the radio was 'unlocked' anyway.
The only time it beat me then was by flattening the second battery before I'd replaced the first. The drain was astonishing - it would totally flatten a fully charged battery in 5-6 hours.
Eventually I found a symptom. I came home one evening when it was dark, locked the car as usual with the remote and went indoors. Then I realised I'd left something in the car and went back out. To my surprise the clock display was glowing brightly and the red LED that indicates the immobiliser was not flashing. Somehow it had failed to shut down properly. I had to unlock the car and actually start the engine before it would reset to normal.
After that, whenever I locked the car I checked to makes sure the red LED was flashing. It never caught me out again.
The only time it beat me then was by flattening the second battery before I'd replaced the first. The drain was astonishing - it would totally flatten a fully charged battery in 5-6 hours.
Eventually I found a symptom. I came home one evening when it was dark, locked the car as usual with the remote and went indoors. Then I realised I'd left something in the car and went back out. To my surprise the clock display was glowing brightly and the red LED that indicates the immobiliser was not flashing. Somehow it had failed to shut down properly. I had to unlock the car and actually start the engine before it would reset to normal.
After that, whenever I locked the car I checked to makes sure the red LED was flashing. It never caught me out again.
Edited by Simpo Two on Tuesday 2nd November 12:11
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