If, after a 200 mile drive, you still have the warning then it may well be a sensor that has gone. A decent code reader will confirm one way or the other.
Well worth a search about.
https://www.ebay.co.uk/itm/142719381322?mkevt=1&mkcid=1&mkrid=710-53481-19255-0&campid=5338781477&toolid=10029&customid=EAIaIQobChMIo7OOrI_F8gIVQoFQBh2TUAceEAQYAiABEgKP9vD_BwE&_trkparms=ispr%3D1&amdata=enc%3A1fIUXt1Q1S26aIccaAW6_-Q80
Well worth a search about.
https://www.ebay.co.uk/itm/142719381322?mkevt=1&mkcid=1&mkrid=710-53481-19255-0&campid=5338781477&toolid=10029&customid=EAIaIQobChMIo7OOrI_F8gIVQoFQBh2TUAceEAQYAiABEgKP9vD_BwE&_trkparms=ispr%3D1&amdata=enc%3A1fIUXt1Q1S26aIccaAW6_-Q80