Fuses and relays Cadillac ATS (2013–2019)

In this article, we take a detailed look at the fuse box diagrams for the Cadillac ATS (first generation): 2013, 2014, 2015, 2016, 2017, 2018, and 2019 model years.

Fuses #17 and #18, circuit breaker #CB1, or fuse #19 (depending on model year) in the passenger compartment power the cigarette lighter / auxiliary power outlets.

In the Luggage Compartment

The fuse box is located on the driver side of the trunk.

Open the cover to access the fuses.

General view.

Diagram
No.	Description
1	2016–2019: Rear driver control module / DC-DC converter 2013–2015: Empty
2	Left power window
3	Body Control Module (BCM) 8
4	2014–2019: A/C inverter 2013: Empty
5	Passive Entry and Passive Start (PEPS) system Battery 1
6	BCM 4
7	Heated mirrors
8	Audio amplifier
9	Rear window defogger
10	2016–2019: Glass break sensor 2013–2015: Empty
11	Trailer connector
12	OnStar system
13	Right power window
14	Electric parking brake
15	Empty
16	Trunk release
17	2013–2017: Run relay 2018–2019: Trailer
18	Logistics relay
19	Logistics
20	Rear window defogger relay
21	Mirror window module
22	Reserve
23	EVAP canister vent solenoid
24	BCM 2
25	Rear vision camera
26	2016–2019: Front ventilated seats 2013–2015: Empty
27	2013–2017: SBZA / LDW / EOCM 2018–2019: Side Blind Zone Alert / Lane Departure Warning / External Object Calculation Module
28	Trailer / Sunshade
29	Rear heated seats (if equipped)
30	Semi-active damping system
31	Transfer case control module / Rear drive control module
32	Theft module / Universal garage door opener / Rain sensor
33	Ultrasonic parking assist
34	Radio module / DVD player
35	2013–2017: Empty 2018–2019: Exhaust valve (V-Series)
36	Trailer
37	Cadillac ATS Fuel Pump Fuse Fuel System Control Module (FSCM)
38	Empty
39	Empty
40	2013–2017: Empty 2018–2019: Run/Crank 2 (V-Series)
41	2013–2017: Empty 2018–2019: Fuel pump prime / Run/Crank 2
42	Memory seat module
43	Body Control Module (BCM) 3
44	Empty
45	Battery Regulated Voltage Control (RVC)
46	Engine Control Module (ECM) battery
47	Empty
48	Empty
49	Trailer module
50	2016–2017: Transfer case control module / Rear drive control module 2018–2019: Child safety door locks
51	Rear closure release
52	2016–2017: Reserve 2018–2019: Rear closure 2
53	Empty
54	Door lock security
55	Empty
56	Fuel filler door (if equipped)

In the Engine Compartment

Located on the passenger side of the engine compartment, behind the protective plastic cover.

2016–2019 Model Years

General view.

Diagram
No.	Description
1	Reserve
2	Reserve
3	Passenger motorized seat belt
4	Reserve
5	Reserve
6	Driver power seat
7	Reserve
8	Headlamp washer
9	Reserve
10	Reserve
11	Reserve
12	Reserve
13	Passenger power seat
14	2016–2017: BCM 5 2018–2019: Empty
15	Passive Entry & Passive Start System
16	Reserve
17	Headlamp washer
18	Reserve
19	ABS pump
20	ABS valve
21	Reserve
22	Driver motorized seat belt
23	Wiper control relay
24	Wiper speed relay
25	ECM relay
26	Reserve
27	Spare / Heated seat 2
28	Spare / Reverse lockout
29	Adaptive Forward Lighting (AFL), Automatic Headlamp Leveling, and Pedestrian Protection System
30	Reserve
31	Passenger power window switch
32	Reserve
33	Sunroof / Moonroof
34	Front wiper
35	Steering column lock
36	Rear Electrical Center (REC) ignition
37	Spare / Malfunction Indicator Lamp (MIL) / Ignition
38	Spare / Powertrain (PT) fuse
39	Oxygen sensor
40	Ignition coils / Fuel injectors
41	Ignition coils / Fuel injectors / Spare
42	Engine Control Module (ECM)
43	Reserve
44	Reserve
45	2016–2017: Reserve 2018–2019: Front washer
47	Front washer relay
48	Instrument panel / Body / Ignition
49	Fuel System Control Module (FSCM) ignition
50	Heated steering wheel
51	ECM ignition
52	Transmission Control Module (TCM) ignition
53	Coolant pump
54	Coolant pump relay
55	Reserve
56	Transmission Control Module (TCM) / Spare
57	Low-beam headlamp relay
58	High-beam headlamp relay
59	Run/Crank relay
60	Starter relay
61	Vacuum pump relay
62	Starter relay
63	Air conditioning (A/C) control relay
64	Adaptive headlamp leveling
65	High-Intensity Discharge (HID) headlamp (left)
66	High-Intensity Discharge (HID) headlamp (right)
67	High-beam headlamps (Left / Right)
68	Active aero shutter
69	Horn
70	Horn relay
71	Engine cooling fan
72	Starter 2
73	Brake vacuum pump
74	Starter
75	Air conditioning (A/C) compressor clutch
76	Reserve

2013–2015 Model Years

General view of the fuse box.

Diagram
No.	Description
1	Reserve
2	Reserve
3	Reserve
4	BCM 6
5	Reserve
6	Driver power seat
7	Reserve
8	Headlamp washer relay (if equipped)
9	Reserve
10	Reserve
11	Reserve
12	Reserve
13	Passenger power seat
14	BCM 5
15	Passive Entry and Passive Start System
16	Reserve
17	Headlamp washer (if equipped)
18	Reserve
19	ABS pump
20	ABS valve
21	Secondary Air Injection (AIR) pump (if equipped)
22	Reserve
23	Wiper control relay
24	Wiper speed relay
25	ECM relay
26	Secondary Air Injection (AIR) pump relay (if equipped)
27	Spare / Heated seat 2
28	BCM 1 / Spare
29	AFS / AHL / Pedestrian protection (if equipped)
30	Passenger power window switch
31	BCM 7
32	Sunroof / Moonroof module
33	Front wiper
34	AOS display / MIL ignition
35	Rear Electrical Center (REC) ignition
36	Spare / Powertrain (PT)
37	Oxygen sensor
38	Ignition coils and fuel injectors
39	Ignition coils and fuel injectors / Spare
40	Engine Control Module (ECM)
41	Fuel heater
42	Secondary Air Injection (AIR) solenoid relay (if equipped)
43	Washer
44	Rear washer relay
45	Front washer relay
46	Reserve
47	Instrument panel / Body ignition
48	Fuel System Control Module (FSCM) 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 (A/C) compressor clutch
54	Secondary Air Injection (AIR) solenoid (if equipped)
55	TCM / Spare
56	Low-beam headlamp relay (if equipped)
57	High-beam headlamp relay
58	Starter
59	Starter relay
60	Run/Crank relay
61	Vacuum pump relay (if equipped)
62	Air conditioning (A/C) control relay
63	Adaptive headlamp leveling (if equipped)
64	Left High-Intensity Discharge (HID) headlamp (if equipped)
65	Right High-Intensity Discharge (HID) headlamp (if equipped)
66	High-beam headlamps (Left and Right)
67	Horn
68	Horn relay
69	Cooling fan
70	Active aero shutter
71	Transmission Control Module (TCM) ignition
72	ECM / Ignition
73	Brake vacuum pump (if equipped)
74	Reserve

In the Passenger Compartment

Located on the driver side of the instrument panel, behind the trim cover.

Access panel example.

2014–2019 Model Years

Fuse assignments for 2014–2019 model year vehicles.

Diagram
No.	Description
Relays
K10	Retained Accessory Power (RAP) / Accessory
K605	2014–2015: Spare 2016–2019: Logistics
K644	2018–2019: Retained Accessory Power (RAP) / Accessory / Glovebox release 2016–2017: Empty
Circuit Breakers
CB1	Auxiliary 12V power outlet 2014–2017: Cigarette Lighter Fuse
CB7	Empty
Fuses
2	Cupholder motor
3	Electric steering column lock
4	2014–2015: Data Link Connector (DLC) 2016–2019: Empty
5	2014–2017: Heating, Ventilation, and Air Conditioning (HVAC) control module / 2018–2019: Empty
6	Power tilt/telescoping steering column
8	2016–2019: Data Link Connector (DLC) / 2014–2015: Reserve
9	2018–2019: Glovebox release / 2014–2015: Reserve
10	Logistics shunt
11	Body Control Module (BCM) 2014–2015: Empty
12
13
14	Empty
15	BCM 7 2014–2015: Empty
16	Transmission Control Module (TCM) 2014–2015: Empty
17	Empty
18	Empty
19	2018–2019: Auxiliary power outlet 2014–2017: Empty
20	2018–2019: Cigarette lighter 2014–2017: Empty
21	2018–2019: Wireless phone charger 2014–2017: Empty
22	Sensing and Diagnostic Module (SDM) / Automatic Occupant Sensing (AOS)
23	Radio / DVD / HVAC control module
24	Display screen
25	Heated steering wheel
26	2016–2019: Wireless phone charger 2014–2015: Reserve
27	Steering wheel controls
28	Empty
29	Sun visor vanity lamps 2014–2015: Reserve
30	Empty
31	2018–2019: Retained Accessory Power (RAP) 2014–2017: Reserve
32	Empty
33	Front HVAC blower motor

2013 Model Year

Fuse assignments for 2013 model year vehicles.

Diagram
No.	Description
Relays
K10	Retained Accessory Power (RAP) / Accessory
K605	Logistics
K609	Empty
Circuit Breakers
CB7	Empty
CB26	Empty
Fuses
1	Empty
2	Data Link Connector (DLC)
3	Empty
4	Empty
5	Heating, Ventilation, and Air Conditioning (HVAC) control module
6	Electric steering column lock module
8	Battery
9	Heated steering wheel
10	Empty
11	Logistics shunt 1
12	Sensing and Diagnostic Module (SDM) / Automatic Occupant Sensing (AOS)
13	Instrument cluster / Head-Up Display (HUD) / Integrated Center Stack (ICS) / Steering wheel controls
14	Radio / HVAC control module
16	Empty
17	Accessory Power Sockets #1 & #2 Cadillac ATS Cigarette Lighter Fuse
18
19	Steering wheel controls
20	Empty
21	Empty
22	Logistics shunt 2
23	Empty
24	Empty
25	Empty
27	RAP relay
28	Front HVAC blower motor
29	Power tilt/telescoping steering column control module
30	Empty