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2010-2012 Range Rover Sport
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106 Posts
How old is the battery? Have it checked for voltage and if the alternator is charging. Make sure the battery cables are clean and tight. If all that is good, make sure all your "earth points" (grounds) are clean and tight. Range Rovers and Jaguars can throw all kinds of faults at you when the battery is not supplying a strong, consistent flow of juice.

One other thing to try is a hard reset. Disconnect both battery cables and touch them to EACH OTHER. Leave them off for a minute or so and then reconnect. You may have to reprogram a few things such as the auto up/down window functions, etc.
 

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Registered
2010-2012 Range Rover Sport
Joined
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106 Posts
May not want to trust the on-board instruments as to whether or not you are getting sufficient charging. Don't know how the battery cable reset stacks up to using a scan tool, worth a try. I used the English term earth points because you might get better google results. Search for a drawing where they are on your particular vehicle.
 
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