2005 Triumph Rocket III, kicking code P0638 Secondary Throttle Circuit Malfunction. Replaced Secondary TPS. No joy. Any suggestions? I'm thinking ECM issue.
@Vegastom Not a Scobie but hopefully one of the clever ones comes along soon. Hope you get it sorted.
https://www.r3owners.net/threads/p0638-error-code-rocket-3-roadster-2018.49264/ Does this help at all?
