2017 defender hd 10

All other gears work?

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CanAmRancher1 said:

All other gears work?

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Yes it's just high gear are there belts or just one

Yeah there's only one belt, the first thing to check is if the belt is worn, might be slipping bad in high gear.

When you turn the key on on the screen it says h maintenance required I don't know what that means and it won't move in high gear

Maintenance Required = Display in gauge when vehicle is due for a maintenance.

Does it try to move at all? If it doesn't try to move at all then I am gonna say you have a transaxle issue.

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