How to solve “Battery support unit is not connected ” by JLR SDD

Do you know the problem of JLR SDD show “Battery support unit is not connected”.Please see the attached file.


Make sure the ground cable is connected to a ground on the body or engine.If you connect it directly to the negative battery post,the vehicle will not recognize a state of charge.The negative cable must be connected before the battery monitor(the box on the negative cable)

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