WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Electronic Components
Courtesy of GENERAL MOTORS CORP.
Callout
Component Name
1
Control Solenoid (with Body and TCM) Valve Assembly
2
A/Trans Input and Output Speed Sensor Assembly
3
A/Trans Manual Shift Shaft Position Switch Assembly