Hi, I’m hoping someone can help
I can’t afford to take it to a garage at the moment so bought a fairly cheap OBD2 Reader off of amazon

I waited for the message to come up again, and when it did, I pulled over and plugged the reader in with the engine still running, but it was showing zero ‘Trouble Codes’? However, when I then pressed ‘Erase codes’ the message disappeared for a couple of seconds then popped back up again, so there is clearly an issue somewhere that the OBD can’t seem to find

Has anyone else had this issue or does anyone know what the issue may be?

Yes,it's a manufacturer specific code that the obd cant' read,you need a better scanner

 

Welcome Kyle. As Valer says (who has helped me loads with my meriva in the past) vauxhall is rather picky when it comes to code readers. Those generic ones simply don't work. The insignia SERVICE SOON message is mentioned frequently on here and means there is a fault... Not that it needs an oil change etc. It will need reading properly and can't be negotiated.

 

as they say need a good code reader pluged in with engine off then just turn ign on if its like mine turned out two glow plugs werent working

 

have you had the glowplugs checked? if they have the sensor type its not a cheap fix though.

 

have you had the glowplugs checked? if they have the sensor type its not a cheap fix though.
had mine changed no more svs light