Page 342 of 478
Black plate (42,1)Cadillac CTS/CTS-V Owner Manual - 2013 - crc2 - 8/22/12
10-42 Vehicle Care
J-CaseFuses Usage
6 Cooling Fan 2
7 Cooling Fan 1
8 Starter
9 Not Used
10 Antilock Brake System Motor
13 Not Used
14 Electric Parking Brake
15 Not Used
16 Not Used
17 Blower Motor
18 Rear Window Defogger
37 Magnetic Ride/ Suspension Control Relays Usage
1 Cooling Fan 2
2 Cooling Fan 1
3 Starter
4 Rear Window Defogger
5 Instrument Panel Auxiliary Power
Outlet
12 Horn
20 Headlamp Washer (HID Only)
21 Cooling Fan (Series/ Parallel)
32 Air Conditioning Compressor Clutch
39 Windshield Washer Pump
42 Right Daytime Running Lamp
44 Left Daytime Running Lamp (HID) Relays Usage
45 Front Fog Lamps (HID Only)
48 High‐Beam Headlamps
49 Low‐Beam Headlamps (HID)
53 Not Used
63 Main Ignition
66 Windshield Wipers
67 Powertrain
68 Windshield Wipers High Speed
Engine Compartment
Fuse Block (CTS Wagon)
This fuse block is on the left side of
the engine compartment.
Page 343 of 478
Black plate (43,1)Cadillac CTS/CTS-V Owner Manual - 2013 - crc2 - 8/22/12
Vehicle Care 10-43
Lift the fuse block cover to access
the fuses.
The vehicle may not be equipped
with all of the fuses and relays
shown.
Notice:Spilling liquid on any
electrical component on the
vehicle may damage it. Always
keep the covers on any electrical
component.
Mini‐Fuses Usage
11 Not Used
19 Antilock Braking System (ABS)
22 Display
23 Not Used Mini‐Fuses Usage
24 Body Control Module 1
25 Automatic Forward Lighting System
(HID Only)
26 Body Control Module 5
Page 344 of 478

Black plate (44,1)Cadillac CTS/CTS-V Owner Manual - 2013 - crc2 - 8/22/12
10-44 Vehicle Care
Mini‐Fuses Usage27 Body Control Module 4
28 Navigation Motor
29 All-Wheel Drive
30 Transmission Control Module
Battery
31 Horn
33 Left Low‐Beam Headlamp
(Domestic Non‐
HID Only)
34 Pedestrian Protection System
(Export Only)
35 Body Control Module 3
36 Body Control Module 2
38 Headlamp Washer (HID Only) Mini‐Fuses Usage
40 Right Low‐Beam Headlamp
(Domestic Non‐
HID Only)
41 Air Conditioning Compressor Clutch
43 Low‐Beam Daytime Running Lamps
(non‐HID), Left
Daytime Running
Lamps (HID), Left
Trailer Turn Signal
(Export Only)
46 Left High‐Beam Headlamp
47 Right High‐Beam Headlamp
50 Right Daytime Running Lamp
51 Airbag System Ignition Switch Mini‐Fuses Usage
52 Engine Control Module Ignition,
Transmission
Control Module
Ignition
54 Power Moding (Immobilizer
Module, Ignition
Switch)
55 Not Used
56 Windshield Wipers
57 Right Low‐Beam (HID Only)
58 Daytime Running Lamps (non‐HID),
Left Low‐Beam
(HID Only)
59 Right Daytime Running Lamp (HID
Only), Right Trailer
Turn Signal
(Export Only)
Page 345 of 478
Black plate (45,1)Cadillac CTS/CTS-V Owner Manual - 2013 - crc2 - 8/22/12
Vehicle Care 10-45
Mini‐Fuses Usage60 Instrument Panel Auxiliary Power
Outlet
61 Air Quality Sensor, Inside Rear View
Mirror, Rear
Camera
62 Ignition
64 Steering Wheel Illumination
65 Front Fog Lamps (HID Only)
69 Body Control Module 6, Body
Control Module 7
70 Emissions 1
71 Even Ignition Coils
72 Engine Control Module
73 Emissions 2
74 Odd Ignition Coils Mini‐Fuses Usage
75 Transmission Output Speed
Sensor, Brake
Vacuum Relay
76 Spare
77 Spare
78 Spare
79 Spare
80 Spare
81 Spare
J-Case Fuses Usage
6 Cooling Fan 2
7 Cooling Fan 1
8 Starter
9 Brake Vacuum Pump
10 Antilock Brake System Motor J-Case
Fuses Usage
13 Not Used
14 Electric Parking Brake
15 Not Used
16 Not Used
17 Blower Motor
18 Transmission Control Module
Battery
37 Trailer (Export Only)
Relays Usage 1 Cooling Fan 2
2 Cooling Fan 1
3 Starter
4 Rear Window Defogger
5 Instrument Panel Auxiliary Power
Outlet
Page 346 of 478
Black plate (46,1)Cadillac CTS/CTS-V Owner Manual - 2013 - crc2 - 8/22/12
10-46 Vehicle Care
RelaysUsage
12 Horn
20 Headlamp Washer (HID Only)
21 Cooling Fan (Series/ Parallel)
32 Air Conditioning Compressor Clutch
39 Not Used
42 Right Daytime Running Lamp,
Trailer Turn Signal
44 Low‐Beam (non‐ HID), Left Daytime
Running Lamps
(HID), Left Trailer
Turn Signal
(Export Only)
45 Front Fog Lamps (HID Only)
48 High‐Beam Headlamps Relays
Usage
49 Daytime Running Lamps (Non‐HID),
Low‐Beam
Headlamps (HID)
53 Not Used
63 Main Ignition
66 Windshield Wipers
67 Powertrain
68 Windshield Wipers High Speed
Engine Compartment
Fuse Block (CTS-V
Wagon)
The underhood fuse block is on the
left side of the engine compartment.
Lift the fuse block cover to access
the fuses.
The vehicle may not be equipped
with all of the fuses and relays
shown.
Notice:Spilling liquid on any
electrical component on the
vehicle may damage it. Always
keep the covers on any electrical
component.
Page 347 of 478
Black plate (47,1)Cadillac CTS/CTS-V Owner Manual - 2013 - crc2 - 8/22/12
Vehicle Care 10-47
Mini-Fuses Usage11 Not Used
19 Antilock Braking System (ABS)
22 Display
23 Sunroof Mini-Fuses Usage
24 Body Control Module 1
25 Automatic Forward Lighting System
(HID Only)
26 Body Control Module 5 Mini-Fuses Usage
27 Body Control Module 4
28 Navigation Motor
29 Not Used
30 Transmission Control Module
Battery
31 Horn
33 Not Used
34 Pedestrian Protection System
(Export Only)
35 Body Control Module 3
36 Body Control Module 2
38 Headlamp Washer (HID Only)
40 Not Used
41 Air Conditioning Compressor Clutch
Page 348 of 478

Black plate (48,1)Cadillac CTS/CTS-V Owner Manual - 2013 - crc2 - 8/22/12
10-48 Vehicle Care
Mini-Fuses Usage43 Left Daytime Running
Lamp (HID)
46 Left High-Beam Headlamp
47 Right High-Beam Headlamp
50 Right Daytime Running Lamp
51 Airbag System Ignition Switch
52 Engine Control Module Ignition,
Transmission
Control Module
Ignition
54 Power Moding (Immobilizer
Module, Ignition
Switch)
55 Intercooler Pump
56 Windshield Wipers Mini-Fuses Usage
57 Right Low-Beam (HID Only)
58 Left Low-Beam (HID Only)
59 Right Daytime Running Lamp
(HID Only)
60 Instrument Panel Auxiliary Power
Outlet
61 Air Quality Sensor, Inside Rear View
Mirror, Rear
Camera
62 Ignition
64 Steering Wheel Illumination
65 Front Fog Lamps (HID Only)
69 Body Control Module 6, Body
Control Module 7 Mini-Fuses Usage
70 Emissions 1
71 Even Ignition Coils
72 Odd Ignition Coils
73 Emissions 2
74 Engine Control Module
75 Not Used
76 Spare
77 Spare
78 Spare
79 Spare
80 Spare
81 Spare
J-Case Fuses Usage
6 Cooling Fan 2
7 Cooling Fan 1
8 Starter
Page 349 of 478

Black plate (49,1)Cadillac CTS/CTS-V Owner Manual - 2013 - crc2 - 8/22/12
Vehicle Care 10-49
J-CaseFuses Usage
9 Not Used
10 Antilock Brake System Motor
13 Not Used
14 Electric Parking Brake
15 Not Used
16 Not Used
17 Blower Motor
18 Rear Window Defogger
37 Magnetic Ride/ Suspension Control
Relays Usage 1 Cooling Fan 2
2 Cooling Fan 1
3 Starter Relays Usage
4 Rear Window Defogger
5 Instrument Panel Auxiliary Power
Outlet
12 Horn
20 Headlamp Washer (HID Only)
21 Cooling Fan (Series/ Parallel)
32 Air Conditioning Compressor Clutch
39 Not Used
42 Right Daytime Running Lamp
44 Left Daytime Running Lamp (HID)
45 Front Fog Lamps (HID Only)
48 High-Beam Headlamps Relays Usage
49 Low-Beam Headlamps (HID)
53 Not Used
63 Main Ignition
66 Windshield Wipers
67 Powertrain
68 Windshield Wipers High Speed
Rear Compartment Fuse
Block (CTS Coupe and
Sedan)
The rear compartment fuse block is
on top of the battery, on the right
side of the trunk. The battery access
door must be removed to access
the fuse block.
The vehicle may not be equipped
with all of the fuses, relays, and
features shown.