Cadillac CTS mk2 (Second Generation; 2011 – 2014) – fuse box diagram

Cadillac CTS mk2 (Second Generation; 2011 – 2014) – fuse box diagram

Year of production: 2011, 2012, 2013, 2014

Engine compartment (CTS Coupe and Sedan)

The underhood fuse block is located on the passenger side of the engine compartment.

Cadillac CTS mk2 - fuse box - engine compartment (CTS Coupe and Sedan)
Cadillac CTS mk2 – fuse box – engine compartment (CTS Coupe and Sedan)
Mini-Fuses Usage
11 Not Used
19 Antilock Braking System (ABS)
22 Display
23 Not Used
24 Body Control Module 1
25 Automatic Forward Lighting System (HID Only)
26 Body Control Module 5
27 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)
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, Windshield Washer Pump
51 Airbag System Ignition Switch
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)
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
70 Emissions 1
71 Even Ignition Coils
72 Engine Control Module
73 Emissions 2
74 Odd Ignition Coils
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
13 Not Used
14 Electric Parking Brake
15 Not Used
16 Not Used
17 Blower Motor
18 Rear Window Defogger
37 Not Used

 

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, 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
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 (CTS V Coupe and Sedan)

The underhood fuse block is located on the passenger side of the engine compartment.

Cadillac CTS mk2 - fuse box - engine compartment (CTS V Coupe and Sedan)
Cadillac CTS mk2 – fuse box – engine compartment (CTS V Coupe and Sedan)
Mini-Fuses Usage
11 Not used
19 Antilock Braking System (ABS)
22 Display
23 Sunroof
24 Body Control Module 1
25 Automatic Forward Lighting System (HID Only)
26 Body Control Module 5
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
43 Left Daytime Running Lamps (HID)
46 Left High‐Beam Headlamp
47 Right High‐Beam Headlamp
50 Right Daytime Running Lamp, Windshield Washer Pump
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
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
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
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)
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 (CTS Wagon)

The underhood fuse block is located on the passenger side of the engine compartment.

Cadillac CTS mk2 - fuse box - engine compartment (CTS Wagon)
Cadillac CTS mk2 – fuse box – engine compartment (CTS Wagon)
Mini-Fuses Usage
11 Not Used
19 Antilock Braking System (ABS)
22 Display
23 Not Used
24 Body Control Module 1
25 Automatic Forward Lighting System (HID Only)
26 Body Control Module 5
27 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)
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
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)
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
70 Emissions 1
71 Even Ignition Coils
72 Engine Control Module
73 Emissions 2
74 Odd Ignition Coils
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
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
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
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 (CTS V Wagon)

The underhood fuse block is located on the passenger side of the engine compartment.

Cadillac CTS mk2 - fuse box - engine compartment (CTS-V Wagon)
Cadillac CTS mk2 – fuse box – engine compartment (CTS-V Wagon)
Mini-Fuses Usage
11 Not Used
19 Antilock Braking System (ABS)
22 Display
23 Sunroof
24 Body Control Module 1
25 Automatic Forward Lighting System (HID Only)
26 Body Control Module 5
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
43 Left Daytime Running Lamps (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
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
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
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 Not used
42 Right Daytime Running Lamp
44 Left Daytime Running Lamps (HID)
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

 

Rear Compartment Fuse Block (CTS Coupe and Sedan)

The rear compartment fuse block is located on top of the battery, on the right side of the trunk. The battery access door must be removed to access the fuse block.

Cadillac CTS mk2 - fuse box - rear compartment (CTS Coupe and Sedan)
Cadillac CTS mk2 – fuse box – rear compartment (CTS Coupe and Sedan)
Relays Usage
5 Stop Lamps (Export Only)
6 Door Lock
7 Door Unlock
8 Fuel Door Unlock (Export Only)
9 Right Position Lamp (Export Only)
10 Console/Auxiliary Power Outlet
11 Trunk Release
12 Side Marker Lamps
13 Left Position Lamps

 

Mini-Fuses Usage
14 Right Position Lamp
15 Left Position Lamp
16 Door Lock
17 Console/Auxiliary Power Outlet
18 Rear Fog/Export Body Control Module (Export Only)
19 Trunk Release
20 Easy Entry Seats (Coupe Only)
21 Sunroof
22 Right Position Lamp (Export Only)
23 Regulated Voltage Control Sensor
24 Audio System (Radio)
25 Airbag System
26 Remote Keyless Entry/PASS‐Key® Theft Deterrent Module
27 Audio Speakers/Subwoofer
28 OnStar® System
29 Engine Control Module
30 Canister Vent
31 Fuel Pump
33 Stop Lamps (Export Only)
34 Theft Deterrent System/Universal Garage Door Opener
35 Memory Seat Module
36 Passenger Door Module
38 Not Used
39 Amplifier

 

Circuit Breakers Usage
1 Driver Power Seat Switch
2 Passenger Power Seat Switch
3 Power Windows
4 Power Steering Column
32 Left Rear Window Switch
37 Right Rear Window Switch

 

Rear Compartment Fuse Block (CTS-V Coupe and Sedan)

The rear compartment fuse block is located on top of the battery, on the right side of the trunk. The battery access door must be removed to access the fuse block.

Cadillac CTS mk2 - fuse box - rear compartment (CTS-V Coupe and Sedan)
Cadillac CTS mk2 – fuse box – rear compartment (CTS-V Coupe and Sedan)
Relays Usage
5 Stop Lamps (Export Only)
6 Door Lock
7 Door Unlock
8 Fuel Door Unlock (Export Only)
9 Right Position Lamp (Export Only)
10 Console/Auxiliary Power Outlet
11 Trunk Release
12 Side Marker Lamps
13 Left Position Lamps

 

Mini-Fuses Usage
14 Right Position Lamp
15 Left Position Lamp
16 Door Lock
17 Console/Auxiliary Power Outlet
18 Rear Fog/Export Body Control Module (Export Only)
19 Trunk Release
20 Easy Entry Seats (Coupe Only)
21 Fuel Pump
22 Right Position Lamp (Export Only)
23 Regulated Voltage Control Sensor
24 Audio System (Radio)
25 Airbag System
26 Remote Keyless Entry/PASS‐Key® Theft Deterrent Module
27 Audio Speakers/Subwoofer
28 OnStar® System
29 Engine Control Module
30 Canister Vent
31 Rear Differential Cooling Pump
33 Stop Lamps (Export Only)
34 Theft Deterrent System/Universal Garage Door Opener
35 Memory Seat Module
36 Passenger Door Module
38 Not Used
39 Amplifier

 

Circuit Breakers Usage
1 Driver Power Seat Switch
2 Passenger Power Seat Switch
3 Power Windows
4 Power Steering Column
32 Left Rear Window Switch
37 Right Rear Window Switch

 

Rear Compartment Fuse Block (CTS Wagon)

The rear compartment fuse block is located on top of the battery, on the right side of the trunk. The battery access door must be removed to access the fuse block.

Cadillac CTS mk2 - fuse box - rear compartment (CTS Wagon)
Cadillac CTS mk2 – fuse box – rear compartment (CTS Wagon)
Relays Usage
5 Stop Lamps (Export Only)
6 Door Lock
7 Door Unlock
8 Fuel Door Unlock (Export Only)
9 Right Position Lamp (Export Only)
10 Console/Auxiliary Power Outlet
11 Not used
12 Side Marker Lamps
13 Left Position Lamps

 

Mini-Fuses Usage
14 Right Position Lamp
15 Left Position Lamp
16 Door Lock
17 Console/Auxiliary Power Outlet
18 Rear Fog/Export Body Control Module (Export Only)
19 Rear Windshield Wiper/Washer
20 Windshield Washer Pump
21 Sunroof
22 Right Position Lamp (Export Only)
23 Regulated Voltage Control Sensor
24 Audio System (Radio)
25 Airbag System
26 Remote Keyless Entry/PASS‐Key® Theft Deterrent Module
27 Audio Speakers/Subwoofer
28 OnStar® System
29 Engine Control Module
30 Canister Vent
31 Fuel Pump
33 Stop Lamps (Export Only)
34 Theft Deterrent System/Universal Garage Door Opener
35 Memory Seat Module
36 Passenger Door Module
38 Rear Auxiliary Power Outlet
39 Amplifier

 

Circuit Breakers Usage
1 Driver Power Seat Switch
2 Passenger Power Seat Switch
3 Power Windows
4 Power Steering Column
32 Left Rear Window Switch
37 Right Rear Window Switch

 

Rear Compartment Fuse Block (CTS-V Wagon)

The rear compartment fuse block is located on top of the battery, on the right side of the trunk. The battery access door must be removed to access the fuse block.

Cadillac CTS mk2 - fuse box - rear compartment (CTS-V Wagon)
Cadillac CTS mk2 – fuse box – rear compartment (CTS-V Wagon)
Relays Usage
5 Stop Lamps (Export Only)
6 Door Lock
7 Door Unlock
8 Fuel Door Unlock (Export Only)
9 Right Position Lamp (Export Only)
10 Console/Auxiliary Power Outlet
11 Not used
12 Side Marker Lamps
13 Left Position Lamps

 

Mini-Fuses Usage
14 Right Position Lamp
15 Left Position Lamp
16 Door Lock
17 Console/Auxiliary Power Outlet
18 Rear Fog/Export Body Control Module (Export Only)
19 Rear Windshield Wiper/Washer
20 Windshield Washer Pump
21 Fuel Pump
22 Right Position Lamp (Export Only)
23 Regulated Voltage Control Sensor
24 Audio System (Radio)
25 Airbag System
26 Remote Keyless Entry/PASS‐Key® Theft Deterrent Module
27 Audio Speakers/Subwoofer
28 OnStar® System
29 Engine Control Module
30 Canister Vent
31 Rear Differential Cooling Pump
33 Stop Lamps (Export Only)
34 Theft Deterrent System/Universal Garage Door Opener
35 Memory Seat Module
36 Passenger Door Module
38 Rear Auxiliary Power Outlet
39 Amplifier

 

Circuit Breakers Usage
1 Driver Power Seat Switch
2 Passenger Power Seat Switch
3 Power Windows
4 Power Steering Column
32 Left Rear Window Switch
37 Right Rear Window Switch

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.