F4: Selectable Vci Test; Selectable Main Pcb Test Selected On Tech2 Self Test Main Menu - GMC Tech2 User Manual

General Motors Tech2 User Guide

Selectable Main PCB test selected on Tech2 Self Test main menu

F4: Selectable VCI Test

Choose F4: Selectable VCI after a fail message has been displayed during the Automated
Main PCB and VCI or Automated VCI tests. When you choose F4: Selectable VCI, a
screen is displayed where you may select individual tests for failed components. For
specific information on failed components, refer to the Vehicle Communications Interface
(VCI) Module Diagnostic Chart.
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