GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 CTS 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 Door Control Module Schematics
Figure 1:

Driver Door Module 1 of 2
Object Number: 2077283 Size: FS
Figure 2:

Driver Door Module 2 of 2
Object Number: 2077284 Size: FS
Figure 3:

Front Passenger Door Module
Object Number: 2077285 Size: FS