Engine light on fault code P253f

[lynyrd Skynner]

Hi All , Did a oil and filter change on T32 1.6dci on Friday now engine light is on and the fault code P253f which is 'engine oil deterioration ' obviously its got new oil so don't understand, cleared fault codes but light came back straight away ...

[lynyrd Skynner]

All sorted now .......good old youtube!

[MrPink080807]

So...what was the fix then? 🤔