GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Express 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Automatic Transmission Controls Schematics
Figure 1:

Module Power, Ground and Serial Data
Object Number: 2079979 Size: FS
Figure 2:

Pressure and Temperature Controls
Object Number: 2079986 Size: FS
Figure 3:

PNP Signals, VSS Signal and Tow Haul Signal
Object Number: 2079993 Size: FS
Figure 4:

Shift Controls
Object Number: 2080018 Size: FS