Manual Gear Range Selection: Notes
WARNING: This page is about a different car, the 2003 GMC Yukon XL, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. 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 percent to 15 percent throttle angle.