Cadillac CT6 (2016 – 2018) – fuse box diagram

Cadillac CT6 (2016 – 2018) – fuse box diagram

Year of production: 2016, 2017, 2018

Engine compartment fuse block

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

Cadillac CT6 - fuse box - engine compartment
Cadillac CT6 Sedan – fuse box – engine compartment
Description
1 2016-2017: Traction power inverter 2
2018: Not Used
2 Power coolant pump
3 Not Used
4 Traction power inverter 1
5 Transmission/Ignition
6 Not Used
7 2016-2017: Starter 2
2018: Starter motor
8 2016-2017: Starter 1
2018: Starter pinion
9 Horn
10 Not Used
11 2016-2017: Right LED
2018: Not Used
12 2016-2017: Left LED
2018: Not Used
13 Left and right high-beam headlamps
14 Air conditioning control relay
15 2016-2017: Starter 2 relay
2018: Starter motor relay
16 2016-2017: Starter 1 relay
2018: Starter pinion relay
17 Run/Crank relay
18 Right cornering LED
19 2016-2017: Headlamp low-beam relay
2018: Not Used
20 High-beam headlamp relay
21 Air conditioning clutch
22 Not Used
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 Not Used
31 2016-2017: LED LGT BAT
2018: HDLP/DRL/ Right headlamp
32 Air conditioning control module
33 2016-2017: AIR solenoid
2018: Not Used
34 Not Used
35 2016-2017: Engine control module
2018: Engine control module IGN2
36 2016-2017: Engine control module 2
2018: Engine control module IGN1
37 Coolant pump
Ignition coils–odd
38 Ignition coils–even
Non walk 2
39 Non walk
40 Instrument cluster
41 Not Used
42 Fuel pump power module
43 Instrument panel body/Ignition
44 Aeroshutter
45 Washer
46 Front sensor
47 Left cornering LED
48 2016-2017: AIR solenoid relay
2018: Not Used
49 2016-2017: Air pump relay
2018: Not Used
50 Engine control module relay
51 Wiper speed relay
52 Wiper control relay
53 Headlamp control relay
54 Not Used
55 Not Used
56 2016-2017: Air pump
2018: Not Used
57 Not Used
58 2016-2017: Instrument panel electronic center
2018: Not Used
59 Not Used
60 ABS pump
61 Front wiper
62 Headlamp leveling
63 Electric brake booster module
64 Not Used
65 Not Used
66 Transfer case control module
67 Electric brake booster
68 Rear seat entertainment display
69 2016: Not Used
2017-2018: Rechargeable energy storage system coolant pump
70 Not Used
71 ABS valve
72 Not Used
73 Not Used

Instrument panel fuse block

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

Cadillac CT6 - fuse box - instrument panel
Cadillac CT6 Sedan – fuse box – instrument panel
Description
1 2016-2017: Traction power inverter 2
2018: Not Used
2 Power coolant pump
3 Not Used
4 Traction power inverter 1
5 Transmission/Ignition
6 Not Used
7 2016-2017: Starter 2
2018: Starter motor
8 2016-2017: Starter 1
2018: Starter pinion
9 Horn
10 Not Used
11 2016-2017: Right LED
2018: Not Used
12 2016-2017: Left LED
2018: Not Used
13 Left and right high-beam headlamps
14 Air conditioning control relay
15 2016-2017: Starter 2 relay
2018: Starter motor relay
16 2016-2017: Starter 1 relay
2018: Starter pinion relay
17 Run/Crank relay
18 Right cornering LED
19 2016-2017: Headlamp low-beam relay
2018: Not Used
20 High-beam headlamp relay
21 Air conditioning clutch
22 Not Used
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 Not Used
31 2016-2017: LED LGT BAT
2018: HDLP/DRL/ Right headlamp
32 Air conditioning control module
33 2016-2017: AIR solenoid
2018: Not Used
34 Not Used
35 2016-2017: Engine control module
2018: Engine control module IGN2
36 2016-2017: Engine control module 2
2018: Engine control module IGN1
37 Coolant pump
Ignition coils–odd
38 Ignition coils–even
Non walk 2
39 Non walk
40 Instrument cluster
41 Not Used
42 Fuel pump power module
43 Instrument panel body/Ignition
44 Aeroshutter
45 Washer
46 Front sensor
47 Left cornering LED
48 2016-2017: AIR solenoid relay
2018: Not Used
49 2016-2017: Air pump relay
2018: Not Used
50 Engine control module relay
51 Wiper speed relay
52 Wiper control relay
53 Headlamp control relay
54 Not Used
55 Not Used
56 2016-2017: Air pump
2018: Not Used
57 Not Used
58 2016-2017: Instrument panel electronic center
2018: Not Used
59 Not Used
60 ABS pump
61 Front wiper
62 Headlamp leveling
63 Electric brake booster module
64 Not Used
65 Not Used
66 Transfer case control module
67 Electric brake booster
68 Rear seat entertainment display
69 2016: Not Used
2017-2018: Rechargeable energy storage system coolant pump
70 Not Used
71 ABS valve
72 Not Used
73 Not Used

Rear (luggage) compartment fuse block

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

Luggage Compartment – Without Super Cruise (2016-2018)
Cadillac CT6 - fuse box - rear compartment
Cadillac CT6 Sedan – fuse box – rear compartment
Description
F01 UCAP
F02 Trunk power outlet
F03 Driver window motor
F04 Not Used
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 Not Used
F13 Not Used
F14 Rear seat memory/ heated
F15 Left front amplifier
F16 Right front seat
F17 Rear heated seat
F18 Regulated voltage
control battery
F19 2016-2017: Door mirror switch
2018: Driver, passenger door window/mirror/ driver seat adjustment
F20 Not Used
F21 Vehicle integration control module
F22 Not Used
F23 Rear closure
F24 Not Used
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 heated mirror
F33 2016-2017: Right window
2018: Right mirror
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 Not Used
F41 Rear seat power outlet
F42 Left rear memory seat
F43 Not Used
F44 Rear closure release switch/lift gate module
F45 Auxiliary audio/Video/Radio
F46 External object calculating
Side blind zone alert
Radar short range sensor
Long range radar sensors (2018)
F47 Not Used
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 2016:
Rain sensor
Power sounder
Intrusion
Universal remote system
2017-2018: Headliner
F55 Front memory seat module
F56 Evaporative emissions leak check module
F57 Voltage current temperature module
F58 Not Used
F59 Engine control module power
F60 Right motorized safety belt pretensioner
F61 Parking lamps
F62 Not Used
F63 Not Used
F64 Engine control module Ignition
F65 Rear glass sunshade
F66 Rear vision camera/Interior rearview mirror
F67 2016:
DC DC converter
Air quality sensor
2017: Run/Crank/MISC
2018: Run/crank misc/DC DC converter/air quality sensor
F68 Damping control module
F69 2016: Not Used
2017-2018: Television tuner module
F70 Not Used
F71 Not Used
F72 Not Used
F73 Not Used
F74 Not Used
F75 Not Used
Relays
R1 Rear seat power outlet relay
R2 Fuel pump relay
R3 Run/Crank relay

 

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

 

Luggage Compartment – With Super Cruise (2018)
Cadillac CT6 - fuse box diagram - luggage compartment with super cruise (2018)
Cadillac CT6 – fuse box diagram – luggage compartment with super cruise (2018)
Usage
F01 Not Used
F02 Body control module 2 and 4
F03 Left rear external object calculating module
F04 Steering wheel display touch sensor
F05 Not Used
F06 Not Used
F07 Left front and right rear short range radar sensor/Camera image processing module
F08 Driver memory seat module
F09 Column friction device
F10 Left headlamp
F11 Not Used
F12 Not Used
F13 Left front subwoofer
F14 Rear blower
F15 Left window
F16 Canister vent
F17 Rear heated seat
F18 Rear subwoofer
F19 Damping control module
F22 Not Used
F23 Left front motorized seat belt pretensioner
F24 Body control module 7
F25 Passive entry/Passive start
F26 Rear closure latch
F27 Amplifier
F28 Rear defogger
F29 Ultrasonic park assist module
F30 Body control module 1
F31 Driver monitoring system
F32 Driver mirror switch
F33 Seat adjustment switch
F34 Left front memory seat
F35 Right rear memory seat
F36 Heated mirror
F37 Not Used
F38 Transmission control module
F39 Not Used
F40 Not Used
F41 Not Used
F42 Not Used
F43 Power trunk module
F44 Right front memory seat
F45 Not Used
F46 Right window
F47 Engine control module battery
F48 Right front subwoofer
F49 Body control module 6
F50 Regulated voltage control battery
F51 DC AC inverter
F52 Fuel pump power module
F53 Rear seat auxiliary power outlet
F54 Left rear memory seat
F55 Not Used
F56 Rear closure release switch/Liftgate module
F57 Rear left and rear center short range and long range radar sensor/Rt rear EOCM
F58 Radio
F59 Not Used
F60 Memory bolster module
F61 Not Used
F62 Ventilated seat
F63 Headliner
F64 Passenger memory seat module
F65 Right front short range radar sensor/ Advance driver assist map
F66 Television tuner module
F67 Not Used
F68 Not Used
F69 Not Used
F70 Right front motorized seat belt pretensioner
F71 Rear heated seat module
F72 Sunroof
F73 Rear vision camera/ Inside rear view mirror/Air quality sensor
F74 Rear window sunshade
F75 Engine control module ignition
F76 Misc run crank/ Energy storage control module/ Camera
F77 Trunk auxiliary power outlet
F78 Rear HVAC display
F79 Not Used
F80 Not Used
F81 Not Used
F82 Not Used
F83 Not Used
F84 Not Used
F85 Not Used
F86 Not Used
F87 Not Used
Relays
R1 Rear seat auxiliary power outlet
R2 Fuel pump
R3 Run/Crank

 

 

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