Diagnostic Aids

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.

The Autostart/Autostop command is located in the scan tool ECM control functions menu.
The hood must be closed when commanding Autostart/Autostop, or an error message will be displayed on the scan tool.
The automatic transmission accumulator solenoid valve is part of the auxiliary fluid accumulator and is serviced as an assembly.