shanepike;c-158416 wroteIt got a rebuild roughly 5 years ago an everything got changed so there not too old an I haven't checked for codes as don't have a scan reader
You don't need one. There should be a code reader in the engine bay. See the link for details.
https://www.volvoclub.org.uk/faq/EngineOBDCodes.html
It's basic, but it works well.