Cadillac CTS Owner's Manual page 286

Number Usage
16 Boot release
*17 Run relay
*18 Logistics relay
*19 Logistics fuse
20 Rear window
demister relay
21 Mirror window
module
22 Not used
23 Canister vent
24 Body control
module 2
*25 Rear vision camera
*26 Front ventilated
seats
*27 SBZA/LDW/EOCM
*28 Trailer/Sunshade
*29 Rear heated seats
*30 Semi-active
damping system
Number Usage
*31 Transfer case
control module/
Electronic limited
slip differential
32 Theft module/
Universal garage
door opener/Rain
sensor
*33 UPA
*34 Radio, DVD
35 Spare
*36 Trailer
37 Fuel pump, fuel
system control
module
38 Not used
39 Not used
40 Not used
41 Not used
*42 Memory seat
module
43 Body control
module 3
Vehicle Care
Number Usage
44 Not used
45 Battery regulated
voltage control
46 Engine control
module battery
47 Not used
48 Not used
*49 Trailer module
50 Door lock security
51 Rear closure
release
52 Not used
53 Not used
54 Door lock security
55 Not used
*56 Fuel door
* Optional
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