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Cadillac ATS Sedan (from 2016) - fuse box diagram

avatar Jonathan Yarden Mar 25, 2021 · 5 min. read

In this article you will find a description of fuses and relays Cadillac, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.

Year of production: 2016

Engine compartment

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

Cadillac ATS - fuse box - engine compartment

Number Usage
1 Not Used
2 Not Used
3 Passenger motorized seat belt
4 Not used
5 Not Used
6 Driver Power Seat
7 Not Used
8 Headlamp Washer Relay
9 Not Used
10 Not Used
11 Not Used
12 Not Used
13 Passenger Power Seat
14 Body Control Module 5
15 Passive Entry/Passive Start
16 Not Used
17 Headlamp Washer
18 Not Used
19 Antilock Brake System Pump
20 Antilock Brake System Valve
21 Not used
22 Driver motorized seat belt
23 Wiper Control Relay
24 Wiper Speed Relay
25 Engine Control Module Relay
26 Not used
27 Spare/Heated Seat 2
28 Spare/Reverse lockout
29 AFS AHL/Pedestrian Protection
30 Not used
31 Passenger window switch
32 Not used
33 Sunroof
34 Front Wiper
35 Steering column lock
36 Rear electrical center ignition
37 Spare/MIL ignition
38 Spare/PT fuse
39 Oxygen Sensor
40 Ignition Coils/Injectors
41 Ignition Coils/Injectors/Spare
42 Engine Control Module
43 Not used
44 Not used
45 Not Used
47 Front washer relay
48 Instrument Panel Body Ignition
49 Fuel System Control Module Ignition
50 Heated Steering Wheel
51 Engine control module ignition
52 Transmission control module ignition
53 Coolant Pump
54 Coolant pump relay
55 Not used
56 Transmission Control Module/Spare
57 Headlamp Low Relay
58 Headlamp high Relay
59 Run/Crank Relay
60 Starter Relay
60 Starer 2 relay
61 Vacuum Pump Relay
62 Starter relay
63 Air conditioning control relay
64 Adaptive headlamp leveling
65 Left high intensity discharge headlamp
66 Right high intensity discharge headlamp
67 Headlamp high left/right
68 Aero shutter
69 Horn
70 Horn relay
71 Cooling fan
72 Starter 2
73 Brake vacuum pump
74 Starter
75 Air conditioning compressor clutch
76 Not used

Instrument panel fuse block

Cadillac ATS - fuse box - instrument panel

The instrument panel fuse block is in the end of the driver side of the instrument panel.

Number Usage
2 Spare
3 Electric Steering Column Lock
4 Spare
5 Heater, Ventilation, and Air Conditioning Control
6 Tilt and Telescope Steering Column
8 Data link connector
9 Spare
10 Shunt
11 Body control module 1
12 Body control module 5
13 Body control module 6
14 Spare
15 Body control module 7
16 Transmission control module
17 Spare
18 Spare
19 Spare
20 Spare
21 Spare
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 controls
28 Spare
29 Visor vanity lamp
30 Spare
31 Spare
32 Spare
33 Front heater, ventilation, and air conditioning blower
CB1 Retained accessory power/Accessory power outlet
CB7 Spare
K10 Retained accessory power/Accessory
K605 Logistics
K644 Spare

Rear  compartment fuse block

The rear compartment fuse block is behind a cover on the driver side of the rear compartment.

Cadillac ATS - fuse box - rear compartment

Number Usage
1* Rear driver control module/DC DC transformer
2 Left Window
3 Body Control Module 8
4* A/C Inverter
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
12 OnStar (If Equipped)
13 Right Window
14 Electric Parking Brake
15 Not Used
16 Trunk Release
17* Run Relay
18* Logistics Relay
19* Not used
20 Rear Window Defogger Relay
21 Mirror Window Module
22 Spare
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
31* Transfer case control module/Rear control drive module
32* Theft Module/Universal Garage Door Opener/Rain Sensor
33* UPA
34* Radio/DVD
35 Not Used
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
44 Not Used
45 Battery Regulated Voltage Control
46 Engine Control Module Battery
47 Not Used
48 Not Used
49* Trailer Module
50 Transfer case control module/Rear control drive module
51 Rear closure release
52 Spare
53 Not used
54 Door lock security
55 Not used
56* Fuel door
* Optional

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

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