Cadillac CTS (2014-2019) fuses and relays

 

Fuse Layout Cadillac CTS 2014-2018..

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Passenger compartment

Fuse Box Location

The fuse box is located on the driver’s side of the instrument panel, behind the cover.

Fuse box diagram

 

Assignment of the fuses and relays in the instrument panel

№	Description
Mini Fuses
2	Motorized Cupholder
3	Electric Steering Column Lock
4	2014-2016: Data Link Connector 2017-2018: Not Used
5	2014-2017: Heater, Ventilation, and Air Conditioning Control 2018: Not Used
6	Tilt and Telescoping Steering Column
8	2014-2016: Spare 2017-2018: Data link connector
9	Glove Box Release
10	Shunt
11	Body Control Module 1
12	Body Control Module 5
13	2014-2016: Spare 2017-2018: Body control module 6
14	Spare
15	2014-2016: Spare 2017-2018: Body control module 7
16	2014-2016: Spare 2017-2018: Transmission control module
17	Spare
18	Spare
19	2014-2016: Spare 2017-2018: Auxiliary power outlet
20	2014-2016: Spare 2017-2018: Lighter
21	2014-2016: Spare 2017-2018: Wireless charger
22	Sensing Diagnostic Module/Automatic Occupant Sensing
23	Radio/DVD/Heater, Ventilation, and Air Conditioning
24	Display
25	Heated Steering Wheel
26	Wireless Charger
27	Steering Wheel Switches
28	Spare
29	2014-2017: Spare 2018: Visor vanity lamp
30	Spare
J-Case Fuses
31	2014-2017: Spare 2018: Retained accessory power/Accessory
32	2014-2016, 2018: Spare 2017: Retained accessory power
33	Front Heater, Ventilation, and Air Conditioning Blower
Circuit Breakers
CB1	2014-2016: Retained Accessory Power/Accessory Power Outlet Power 2017-2018: Retained Accessory Power
CB7	Spare
Relays
K10	2014-2016, 2018: Retained Accessory Power/Accessory 2017: Retained Accessory Power
K605	Logistics
K644	2014-2016: Glove Box Release 2017-2018: Retained accessory power/Glove box release

Engine compartment

Fuse Box Location

Fuse box diagram (2014-2016)

Assignment of the fuses and relays in the Engine compartment (2014-2016)

№	Description
1	Not Used
2	Not Used
3	Passenger motorized seat belt (if equipped)
4	Body Control Module 6
5	Not Used
6	Driver Power Seat
7	Not Used
8	Headlamp Washer Relay (if equipped)
9	Not Used
10	Not Used
11	Not Used
12	Not Used
13	Passenger Power Seat
14	Body Control Module 5
15	Front Wiper
16	Not Used
17	Headlamp Washer (if equipped)
18	Not Used
19	Antilock Brake System Pump
20	Antilock Brake System Valve
21	AIR Pump (if equipped)
22	Driver motorized seat belt
23	Wiper Control Relay
24	Wiper Speed Relay
25	Engine Control Module Relay
26	AIR Pump Relay (if equipped)
27	Spare/Heated Seat 2
28	Body Control Module 1/Spare
29	AFS AHL/Pedestrian Protection (if equipped)
30	Passenger Window Switch
31	Body Control Module 7
32	Sunroof
33	Not Used
34	AOS Display/MIL Ignition
35	Rear Electrical Center Ignition
36	Spare PT Fuse
37	Oxygen Sensor
38	Ignition Coils/Injectors
39	Ignition Coils/Injectors/Spare
40	Engine Control Module
41	Fuel Heater
42	AIR Solenoid Relay (if equipped)
43	Washer
44	Not Used
45	Front Washer Relay
46	Not Used
47	Instrument Panel Body Ignition
48	Fuel System Control Module Ignition
49	Heated Steering Wheel
50	Steering Column Lock (if equipped)
51	Coolant Pump (if equipped)
52	Coolant Pump Relay (if equipped)
53	Air Conditioning Compressor Clutch
54	AIR Solenoid (if equipped)
55	Transmission Control Module/Spare
56	Headlamp Low Relay (if equipped)
57	Headlamp High Relay
58	Starter
59	Starter Relay
60	Run/Crank Relay
61	Vacuum Pump Relay (if equipped)
62	Air Conditioning Control Relay
63	Adaptive Headlamp Leveling (if equipped)
64	Left High Intensity Discharge Headlamp (if equipped)
65	Right High Intensity Discharge Headlamp (if equipped)
66	Headlamp High Left/Right
67	Horn
68	Horn Relay
69	Cooling Fan
70	Aero Shutter
71	Transmission Control Module Ignition
72	Engine Control Module Ignition
73	Brake Vacuum Pump (if equipped)
74	Not Used

Fuse box diagram (2017-2018)

Assignment of the fuses and relays in the engine compartment (2017-2018)

№	Description
1	Not Used
2	Not Used
3	Passenger motorized safety belt (if equipped)
4	Not Used
5	Not Used
6	Driver Power Seat
7	Not Used
9	Not Used
10	Not Used
11	Not Used
12	Not Used
13	Passenger Power Seat
14	Not Used
15	Passive entry/Passive start/Front wipers
16	Not Used
17	Headlamp Washer (if equipped)
18	Not Used
19	ABS pump
20	ABS valve
21	Not Used
22	Driver motorized safety belt
26	Not Used
27	–/Heated Seat 2
28	–/Reverse lock out
29	Adaptive forward lighting, Automatic headlamp leveling/ Pedestrian protection
30	Not Used
31	Passenger window switch
32	Not Used
33	Sunroof
34	Front wiper
35	Steering column lock
36	Rear bussed electrical center/Ignition
37	–/Malfunction Indicator Lamp/Ignition
38	Aeroshutter
39	O2 sensor/Emissions
40	2017: Ignition coil/Injectors 2018: Ignition coil even/O2 sensor
41	2017: –/Ignition coil/Injectors 2018: Ignition coil odd
42	Engine control module (if equipped)
43	Not Used
44	Not Used
45	Front Washer Relay
48	Instrument panel/Body/Ignition
49	Fuel system control module/Ignition
50	Heated steering wheel (if equipped)
51	Engine control module/Ignition (if equipped)
52	TCM/Ignition (if equipped)
53	Coolant pump
55	Not Used
56	Transmission control module/– (if equipped)
64	Automatic headlamp leveling (if equipped)
65	Left HID headlamp (if equipped)
66	Right HID headlamp
67	High-beam headlamps
68	Headlamp leveling motor
69	Horn
71	Coolant fan
72	Starter 2
73	Brake vacuum pump (if equipped)
74	Starter 1
75	Air conditioning clutch
76	Not Used
Relays
8	Headlamp washer (if equipped)
23	Wiper control relay
24	Wiper speed
25	Engine control module
46	Rear washer
47	Front washer
54	Coolant pump (if equipped)
57	Low-beam headlamp
58	High-beam headlamp
59	Run/Crank
60	Starter 2
61	Vacuum pump (if equipped)
62	Starter 1
63	Air conditioning control (if equipped)
70	Horn

Luggage compartment

Fuse Box Location

It is located in the left side of the luggage compartment, behind the cover.

Fuse box diagram

Assignment of the fuses and relays in the Luggage compartment (2014-2018)

№	Description
1	2014-2016: Electronic Limited Slip Differential/DC DC Transformer (if equipped) 2017-2018: Rear driver control module/DC DC transformer (if equipped)
2	Left Window
3	Body Control Module 8
4	Alternate current inverter (if equipped)
5	Passive Entry / Passive Start / Battery 1
6	Body Control Module 4
7	Heated Mirrors
8	Amplifier
9	Rear Window Defogger
10	Glass Break
11	Trailer Connector (if equipped)
12	OnStar (If Equipped)
13	Right Window
14	Electric Parking Brake
15	Not Used
16	Trunk Release
17	2014-2017: Run Relay (if equipped) 2018: Trailer Relay
18	Logistics Relay (if equipped)
19	2014-2016, 2018: Logistics Fuse (if equipped) 2017: Not Used
20	Rear Window Defogger Relay
21	Mirror Window Module
22	2014-2016: Pedestrian Protection 2017-2018: Not Used
23	Canister Vent
24	2014-2017: Pedestrian Protection 2018: Body control module 2
25	Rear Vision Camera (if equipped)
26	Front Ventilated Seats (if equipped)
27	Side blind zone alert/Lane departure warning/External object calculating module
28	Trailer/Sunshade (if equipped)
29	Rear Heated Seats (if equipped)
30	Semi-Active Damping System (if equipped)
31	2014-2016: Transfer Case Control Module/Electronic Limited Slip Differential (if equipped) 2017-2018: Traction control module/Rear control drive module
32	Theft Module/Universal Garage Door Opener/Rain Sensor
33	Ultrasonic parking assist (if equipped)
34	Radio/DVD (if equipped)
35	2014-2016: Spare 2017-2018: Exhaust valve (V-series)
36	Trailer (if equipped)
37	Fuel Pump/Fuel System Control Module
38	2014-2016: Not Used 2017: Fuel pump 2018: Fuel pump prime/Exhaust valve (V-series)
39	Not Used
40	2014-2016: Not Used 2017: Exhaust valve 2018: Run crank 2 (V-series)
41	2014-2016: Not Used 2017: Run/Crank 2 2018: Fuel pump prime/ Run crank 2
42	Memory Seat Module (if equipped)
43	Body Control Module 3
44	Not Used
45	Battery Regulated Voltage Control
46	Engine Control Module / Battery
47	Not Used
48	Not Used
49	Trailer Module (if equipped)
50	Door Lock Security
51	Rear Closure Release
52	2014-2016: Not Used 2017-2018: Rear closure
53	Not Used
54	Door Lock Security
55	Not Used
56	Fuel Door (if equipped)