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Cadillac CT6 Sedan (from 2016) Fuse Box Diagram

avatar Jonathan Yarden Mar 27, 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, 2017

Engine compartment fuse block

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

Cadillac CT6 - fuse box - engine compartment

Number Usage
1 Traction power inverter 2
2 Power coolant pump
3 —
4 Traction power inverter 1
5 Transmission/Ignition
6 —
7 Starter 2
8 Starter 1
9 Horn
10 —
11 Right LED
12 Left LED
13 Left and right high-beam headlamps
14 A/C control relay
15 Starter 2 relay
16 Starter 1 relay
17 Run/Crank relay
18 Right cornering LED
19 Headlamp low-beam relay
20 High-beam headlamp relay
21 A/C clutch
22 —
23 Coolant heater control module
24 Coolant pump
25 Coolant pump relay
26 HI fuel
27 Steering column lock
28 Rear heated seats
29 Front heated seats
30 —
32 A/C control module/–
33 AIR solenoid
34 —
35 Engine control module
36 Engine control module 2
37 Coolant pump/ Ignition coils–odd
38 Ignition coils–even/ Non walk 2
39 Non walk
40 Instrument cluster
41 —
42 Fuel pump power module
43 Instrument panel body/Ignition
44 Aeroshutter
45 Washer
46 Front sensor
47 Left cornering LED
48 AIR solenoid relay
49 Air pump relay
50 Engine control module relay
51 Wiper speed relay
52 Wiper control relay
53 Headlamp control relay
54 —
55 —
56 Air pump
57 —
58 Instrument panel electronic center
59 —
60 ABS pump
61 Front wiper
62 Headlamp leveling
63 Electric brake booster module
64 —
65 —
66 Transfer case control module
67 Electric brake booster
68 Rear seat entertainment display
69 —
70 —
71 ABS valve
72 —
73 —

Instrument panel fuse block

The instrument panel fuse block is behind the driver side instrument panel storage compartment.

Cadillac CT6 - fuse box - instrument panel

Fuses Usage
F1 Power outlet
F2 Visor
F3 Front blower
F4 Body control module 8
F5 Power steering column
F6 Column lock
F7 Glove box door
F8 Front heated seat module
F9 Sensing and diagnostic module
F10 Body control module 4
F11 Body control module 3
F12 Data link connector
F13 —
F14 —
F15 Rear vision camera
F16 Display
F17 HVAC control
F18 OnStar
F19 —
F20 Lane departure warning
F21 —
F22 INFO 2
F23 Central gateway module
F24 INFO 1
F25 Video processing module
F26 Steering wheel controls
F27 USB charge port
F28 Wireless charger
F29 —
F30 Speaker

Rear compartment fuse block

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

Cadillac CT6 - fuse box - rear compartment

Number Usage
F02 Trunk power outlet
F03 Driver window motor
F04 —
F05 Canister vent
F06 Right rear memory seat
F07 Body control module 7
F08 Driver seat adjustment switch
F09 Passive entry/Passive start
F10 Rear subwoofer amplifier
F11 Driver memory seat module
F12 —
F13 —
F14 Right rear seat
F15 Left front amplifier
F16 Right front seat
F17 Rear heated seat
F18 Battery/Regulated voltage control
F19 Door mirror switch
F20 —
F21 Vehicle integration control module
F22 —
F23 Rear closure
F24 —
F25 Left motorized safety belt pretensioner
F26 Rear defogger
F27 Right front amplifier
F28 Amplifier
F29 Sunroof
F30 Body control module 2
F31 Body control module 6
F32 Exterior rearview mirror
F33 Right window
F34 Power trunk module
F35 On-board charging module
F36 Alarm siren module
F37 DC AC inverter
F38 Rear blower
F39 Fuel pump power
F40 —
F41 Rear seat power outlet
F42 Left rear memory seat
F43 —
F44 Rear closure
F45 Auxiliary audio/ Video/Radio
F46 External object calculating/Side blind zone alert/ Radar short range sensor
F47 —
F48 Right front seat
F49 Memory bolster module
F50 Body control module 1
F51 Transmission control module
F52 Parking assist
F53 Heated, cooled or ventilated seats (if equipped)
F54 Rain sensor/Power sounder/Intrusion/ Universal remote system
F55 Front memory seat module
F56 Evaporative emissions leak check module
F57 Voltage current temperature module
F58 —
F59 Engine control module power
F60 Right motorized safety belt pretensioner
F61 Parking lamps
F62 —
F63 —
F64 Engine control module/Ignition
F65 Rear glass sunshade
F66 Rear vision camera/ Interior rearview mirror
F67 DC DC converter/ Air quality sensor
F68 Damping control module
F69 —
F70 —
F71 —
F72 —
F73 —
F74 —
F75 —


Relays Usage
R1 Rear seat power outlet relay
R2 Fuel pump relay
R3 Run/Crank relay

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

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