Citroen Relay Temp sensor fault P2033 P2463 P246C P24A4

Hi Guys, We had a Citroen Relay in for some other repairs but ended up fixing a repair from another garage, no fault of theirs but a sensor failed that they had fitted. I show you my test & repair process. Fault codes were P2033 P2463 P246C P24A4. www.melsmotors.co.uk