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Cadillac CTS (2017) Fuse Box Diagram

avatar Jonathan Yarden Oct 22, 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 fuse block

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

Cadillac CTS - fuse box diagram - engine compartment

Fuse Usage
1 —
2 —
3* Passenger motorized safety belt
4 —
5 —
6 Driver Power Seat
7 —
9 —
10 —
11 —
12 —
13 Passenger Power Seat
14 —
15 Passive entry/Passive start/Front wipers
16 —
17* Headlamp Washer
18 —
19 ABS pump
20 ABS valve
21* —
22 Driver motorized safety belt
26* —
27 –/Heated Seat 2
28 –/Reverse lock out
29* AFS AHL/Pedestrian protection
30 —
31 Passenger window switch
32 —
33 Sunroof
34 Front wiper
35 Steering column lock
36 RBEC/Ignition
37 –/MIL/Ignition
38 Aeroshutter
39 O2 sensor/Emissions
40 Ignition coil/Injectors
41 –/Ignition coil/Injectors
42* Engine control module
43 —
44 —
45 Front Washer Relay
48 Instrument panel/Body/Ignition
49 FSCM/Ignition
50* Heated steering wheel
51* Engine control module/Ignition
52* TCM/Ignition
53 Coolant pump
55 —
56* TCM/–
64* Automatic headlamp leveling
65* Left HID headlamp
66 Right HID headlamp
67 High-beam headlamps
68 Headlamp leveling motor
69 Horn
71 Coolant fan
72 Starter 2
73* Brake vacuum pump
74 Starter
75 A/C clutch
76 —
* Optional

 

Relays Usage
8* Headlamp washer
23 Wiper control relay
24 Wiper speed
25 Engine control module
46 Rear washer
47 Front washer
54* Coolant pump
57 Low-beam headlamp
58 High-beam headlamp
59 Run/Crank
60 Starter 2
61* Vacuum pump
62 Starter
63* A/C control
70 Horn
* Optional

Instrument Panel Fuse Block

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

Cadillac CTS - fuse box diagram - instrument panel

Fuses Usage
2 Motorized cupholder
3 Electric steering column lock
4 —
5 HVAC control
6 Tilt/Telescoping steering column
8 Data link connector
9 Glove box release
10 Shunt
11 Body control module 1
12 Body control module 5
13 Body control module 6
14 —
15 Body control module 7
16 Transmission control module
17 —
18 —
19 Auxiliary power outlet
20 Lighter
21 Wireless charger
22 Sensing diagnostic module/ Automatic occupant sensing
23 Radio/DVD/HVAC control
24 Display
25 Heated steering wheel
26 Wireless Charger
27 Steering wheel switches
28 —
29 Visior
30 —
31 —
32 Retained accessory power
33 Front HVAC blower
CB1 Accessory power outlet
CB7 —
K10 Retained accessory power
K605 Logistics
K644 Retained accessory power/Glove box release

Rear Compartment Fuse Block

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

Cadillac CTS - fuse box diagram - 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 Defogger
10 Glass Break
11* Trailer Connector
12 OnStar (If Equipped)
13 Right Window
14 Electric Parking Brake
15 —
16 Trunk Release
17* Run Relay
18* Logistics Relay
19* —
20 Rear Window Defogger Relay
21 Mirror Window Module
22 —
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* Traction control module/Rear control drive module
32 Theft deterrent module/Universal garage door opener/Rain sensor
33* UPA
34* Radio/DVD
35 Exhaust valve
36* Trailer
37 Fuel Pump/Fuel System Control Module
38 Fuel pump
39 —
40 Exhaust valve
41 Run/Crank 2
42* Memory Seat Module
43 Body Control Module 3
44 —
45 Battery Regulated Voltage Control
46 Engine Control Module Battery
47 —
48 —
49* Trailer Module
50 Door Lock Security
51 Rear Closure Release
52 Rear closure
53 —
54 Door Lock Security
55 —
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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