Manual Gear Range Selection: Notes
WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
The shift solenoids control the upshifts in the manual gear ranges.
Perform the following tests using 10 to 15 percent throttle angle.