2009 Jaguar XF will not start

My 2009 Jaguar XF will not start. Check engine light came on. At first my car started but I got a message... Gear Box Fault" . What does this mean??

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I have not direct experience of this but I have been told that this era of Jaguars need a strong battery to function correctly.

If your Jag would not start because of battery problems I would suggest healthy battery, fully charged would be a good start.

You don't mention your Jag's mileage.

I learned the hard way, with my xj8 that auto gearboxes need to be serviced despite Jaguar saying they are sealed for life.

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