Cadillac 2011 CTS Coupe Owner's Manual page 368

11 Not Used
Antilock Braking
19
System (ABS)
22 Display
23 Sunroof
Body Control
24
Module 1
Automatic Forward
25 Lighting System
(HID Only)
Body Control
26
Module 5
Body Control
27
Module 4
28 Navigation Motor
29 Not Used
Transmission
30 Control Module
Battery
31 Horn
33 Not Used
Pedestrian
34 Protection System
(Export Only)
Body Control
35
Module 3
Body Control
36
Module 2
Headlamp Washer
38
(HID Only)
40 Not Used
Air Conditioning
41
Compressor Clutch