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Such is life with VVT on a manual :). GM didnt add AFM or VVT to manuals due to drivetrain roughness on regular cars n trucks.

Am pretty sure Chris could add the option in to change the vss pid...

Point is you would be better off with a manual tune. On the platform your tune is from the speedo pid may come from the brake control module.

Looks like this tune is for an auto. CAGS is all zeroes.

Cool. :cool:. It does and does not make sense. GM speedo options are a :eek:. Have seen similar things before especially on truck tunes. Its either the scan paramater is being read from the wrong...

Should be all wired fine from Current. If the ECM tune is for an auto though it will be looking for the speed signal to come in from the trans on the CAN bus even if Current has wired in the VSS to...

Aside from the seed what method did you connect your speed feed from the manual trans to the ECM?

Well yes it all sounds in line but the FFFF seed is a tell tale that something is amiss as is the speed PID stuck on 158mph.

Are you sure a manual trans tune was dropped in?

What is the service number on the ECM label?

Actually, all laughs aside, your controller shows a seed of FFFF. GM doesnt allocate FFFF factory seeds. Your controller is most likely corrupted and has had the wrong model year write entired into...

That's what is called "fast idle" isnt it? :eek: :)