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