GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra - 4WD 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 Automatic Transmission Controls Schematics
Figure 1:

Module Power, Ground, Serial Data and Stop Lamp Signal
Object Number: 2065250 Size: FS
Figure 2:

Pressure Controls - 1 of 2 and Shift Controls
Object Number: 2065252 Size: FS
Figure 3:

Pressure Controls - 2 of 2 and Speed Sensors
Object Number: 2065255 Size: FS
Figure 4:

Transmission Range Signals and Driver Shift Request
Object Number: 2065257 Size: FS