Circuit/System Verification

WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.

Engine running, verify the transmission control module (TCM) scan tool ignition voltage parameter is greater than 8.68 volts.

If not greater than the specified range, refer to Charging System Test before performing Circuit/System Testing.