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Old Nov 27, 2020 | 01:46 PM
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De'Loreen Martin's Avatar
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Default XJL battery

Hey I have a 2015 Jaguar XJL portfolio, I had a low battery light on my dash for a month now and car just died on me .. I replaced battery and all lights came back on but it still saying low battery.. do both batteries need changed for car to even start ? I was thinking about changing the auxiliary battery as well but don’t know if that’s the reason car won’t start ..car just don’t wanna turn over with the new battery in it hoping it’s noting serious .. any advice please??
 
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Old Nov 27, 2020 | 02:07 PM
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Welcome to the forums.
 
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Old Nov 27, 2020 | 02:17 PM
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Welcome aboard.
 
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Old Nov 27, 2020 | 05:16 PM
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Welcome to the forums De'Loreen Martin,

Did you not charge the battery before going for a replacement? If a modern Jaguar is used infrequently or for short journeys, it needs to be kept on a tender. A partially discharged battery gives all kinds of weird error messages.

Follow this link https://www.jaguarforums.com/forum/xj-x351-53/ to the X351 forum for help, advice and information. You can also use the US Midwest Region forum by following this link https://www.jaguarforums.com/forum/us-midwest-39/ to find other members in your region.

Please add vehicle details to your Signature to help others to give relevant advice. Go to the User CP button on the left of the top menu bar, then Settings & Options under Your Control Panel. Select Edit Signature and enter the details.

Enjoy the forums.

Graham
 
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Old Nov 27, 2020 | 07:35 PM
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welcome to the forum - enjoy!!!
 
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Old Nov 28, 2020 | 01:31 AM
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Welcome to the Forums.
 
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Old Nov 28, 2020 | 08:00 AM
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Welcome to Jaguar Forums De'Loreen Martin,

Good to have you with us.
Enjoy the forum.

If you haven't done so already you should add your car details to your signature to help others to help you.
If you need help with getting around and using the forum follow this link for some help Forum Help
 
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Old Nov 28, 2020 | 10:08 AM
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Hello,
If this was my car, and the Battery light was on for a month, I would look into the charging system first. Unless that system is working properly, you'll only have another discharged battery. Modern cars are rather persnickety about having a Full battery.

Welcome to the forums form ElinorB.
(';')
 
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Old Nov 28, 2020 | 10:15 AM
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Originally Posted by De'Loreen Martin
Hey I have a 2015 Jaguar XJL portfolio, I had a low battery light on my dash for a month now and car just died on me .. I replaced battery and all lights came back on but it still saying low battery.. do both batteries need changed for car to even start ? I was thinking about changing the auxiliary battery as well but don’t know if that’s the reason car won’t start ..car just don’t wanna turn over with the new battery in it hoping it’s noting serious .. any advice please??
What is the voltage across the MAIN battery terminals with the ignition in the OFF position when checked with a voltmeter?
 
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