This cache is not at the given co-ordinates. It is a bonus cache for the Adventure Labs, Great Broughton and Kirkby Stroll, which is in two parts. You will need to complete both parts to get the full details for the final.
It can be found at N54 AB.CDE, W001 VW.XYZ
You will get the values for ABCDEF, VWXYZ as you complete the two adlabs.