Here is the GM TECH 2 PATHING DOCUMENT that every TECH 2 Owner should have. You work BACKWARDS from what you want to see.
See the attach PDF Document:
Look at MISFIRE in the chart and on the Tech2 Go to Special Functions, Powertrain and then misfire graphic
Misfire Graphic – Engine > Engine Controls > Special Functions > Powertrain Control Module
Misfire Graphic – Powertrain > Special Functions
Misfire Graphic – Powertrain > Special Functions > Special Functions (PCM)
https://mega.nz/#!JEwwXCLR!5EGrMvZegLzKzjB8pdJ_3ahPwNi2sdejVtmjAcob3eE
Source: https://www.corvetteforum.com/forums/c5-tech/3803988-tech-2-menu-help-needed-to-diagnose-a-misfire.html
http://blog.obd2shop.co.uk/free-download-gm-tech-2-pathing-document/