Fuses and relays Cadillac CT6 (2016-2019..)

The full-size luxury sedan Cadillac CT6 is available from 2016 to the present.

Fuse Layout Cadillac CT6 2016-2019..

Fuses and relays Cadillac CT6 (2016-2019..)

Fuse Box Location

Passenger compartment

The fuse box is located in the instrument panel, behind the storage compartment to the left of the steering wheel.
Apply pressure to the two retaining tabs on the sides of the compartment, until the two retaining tabs clear the sides of the instrument panel. Allow the compartment to move downward, and out of the way.
Fuses and relays Cadillac CT6 (2016-2019..)

Engine compartment

2.0L, 3.0L, and 3.6L: it is on the driver side.Fuses and relays Cadillac CT6 (2016-2019..)

The 4.2L engine has an underhood fuse block on each side of the engine compartment. Fuses and relays Cadillac CT6 (2016-2019..)

Luggage compartment

It is located on the right side of the trunk, behind the cover.Fuses and relays Cadillac CT6 (2016-2019..)

Fuse Box Diagrams

2016, 2017, 2018

Passenger compartment

Fuses and relays Cadillac CT6 (2016-2019..)

Assignment of the fuses and relays in the instrument panel (2016-2018)

Description
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 Not Used
F14 Not Used
F15 Rear vision camera
F16 Display
F17 Heating, ventilation, and air conditioning control
F18 OnStar
F19 Not Used
F20 2016-2017: Lane departure warning
2018: Not Used
F21 2016-2017: Not Used
2018: Traction power inverter 2
F22 Infotainment 2
F23 Central gateway module
F24 Infotainment 1
F25 Video processing module
F26 Steering wheel controls
F27 USB charge port
F28 Wireless charger
F29 Not Used
F30 Speaker
Engine Compartment

Fuses and relays Cadillac CT6 (2016-2019..)

Assignment of the fuses and relays in the engine compartment (2016-2018)

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
Luggage Compartment – Without Super Cruise (2016-2018)

Fuses and relays Cadillac CT6 (2016-2019..)

Assignment of the fuses and relays in the Luggage compartment (Version 1 (2016-2018))

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
Luggage Compartment – With Super Cruise (2018)

Fuses and relays Cadillac CT6 (2016-2019..)

Assignment of the fuses and relays in the Luggage compartment (Version 2, 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

2019

Instrument Panel

Fuses and relays Cadillac CT6 (2016-2019..)

Assignment of the fuses in the passenger compartment (2019)

Description
F1 Auxiliary power outlet front console
F2 Visor
F3 Front blower
F4 Body control module 8
F5 Power steering column
F6 Electric steering 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 Electronic shifter
F15 Front camera
F16 Display
F17 Heating, ventilation, and air conditioning control
F18 OnStar
F19
F20
F21 Traction power inverter 2
F22
F23 Central gateway module
F24 Center stack module/ Infotainment
F25 Video processing module night vision
F26 Steering wheel controls
F27 USB charge port
F28 Wireless charger
F29
F30 Speaker
Engine compartment (2.0L, 3.0L and 3.6L Engines)

Fuses and relays Cadillac CT6 (2016-2019..)

Assignment of the fuses and relays in the engine compartment – 2.0L, 3.0L and 3.6L (2019)

Description
1
2
3
4
5 Transfer case control/Transmission control module ignition
6
7 Starter motor
8 Starter pinion
9 Horn
10
11
12
13 High-beam headlamps left/right
18 Right cornering LED
21 Air conditioning clutch
22 Transmission auxiliary oil pump cooling
23
24 Cabin heater pump
26 Engine control module ignition
27 Steering column lock ignition
28 Rear heated seats ignition
29 Front heated seats ignition
30
31 Headlamp/Daytime running lamps/Right headlamp
32
33
34
35 Engine control module ignition – 2
36 Engine control module ignition – 1
37 Coolant pump/ Ignition coils-odd
38 Ignition coils – even/ Non walk 2
39 Non walk
40 Electric brake control module 1 /Instrument cluster/central gateway module ignition
41
42 Fuel tank zone module/Ignition
43 Heated steering wheel module/ Reflective light aux display/HVAC IGN/ Automatic occupant sensing display
44 Aeroshutter
45 Washer
46 Front short range radar sensors
47 Left cornering LED
54
55
56
57
58
59
60 Antilock brake system pump/Electric brake control module – 1
61 Front wiper
62 Headlamp leveling
63
64
66 Transfer case control module
67
68
69
70
71 Antilock brake system valve
72
73
Relays
14 Air conditioning control
15 Starter motor
16 Starter pinion
17 Run/Crank
19
20 High-beam headlamp
25 Cabin heater pump
48
49
50 Engine control module
51 Wiper speed
52 Wiper control
53 Headlamp control
65
Engine compartment (4.2L Engine, Driver Side)

Fuses and relays Cadillac CT6 (2016-2019..)

Assignment of the fuses and relays in the engine compartment – 4.2L, Driver Side (2019)

Description
F1
F2
F3
F4
F5 High-beam headlamps left/right
F6
F7 Front wiper
F8
F9 Instrument cluster/ Electric brake control module 1/Central gateway module ignition
F10
F11 Transmission control/Transfer case control module ignition
F12
F13 Front heated seats ignition
F14 Exhaust valve solenoid
F15 Rear heated seats ignition
F16 Fuel tank zone module ignition
F17
F18
F19
F20
F21 Heated steering wheel module/ Reflective light aux display/HVAC IGN/ Automatic occupant sensing display
F22 Electric steering column lock ignition
F23 Washer
F24 Left cornering LED
F25
F26
F27
F28
F29 Electric brake control module – 1
Relays
R1
R2
R3
R4 High-beam headlamp
R5 Wiper control
R6 Wiper speed
R7 Run/Crank
R8
Engine compartment (4.2L Engine, Passenger Side)

Fuses and relays Cadillac CT6 (2016-2019..)

Assignment of the fuses and relays in the engine compartment – 4.2L, Passenger Side (2019)

Description
F1 Electric brake control module – 2
F2
F3 Headlamp/Daytime running lamps
F4 Right cornering LED
F5
F6 Front short range radar sensors
F7 Horn
F8 Air conditioning clutch
F9
F10
F11 Automatic headlamp leveling
F12 Starter motor
F13 Starter pinion
F14
F15
F16
F17 Cabin heater pump
F18 Transmission auxiliary oil pump cooling
F19 Engine control module ignition
F20 Non walk
F21 Ignition coils-even/ Non walk – 2
F22 Engine control module ignition – 1
F23 Transfer case control module
F24
F25 Ignition coils – odd
F26 Charge air coolant pump
F27 Engine control module ignition – 2
F28
F29
Relays
R1 Headlamp/Daytime running lamps
R2 Air conditioning control
R3 Starter motor
R4 Starter pinion
R5 Cabin heater pump
R6 Engine control module
R7
R8
Luggage compartment (Without Super Cruise)

Fuses and relays Cadillac CT6 (2016-2019..)

Assignment of the fuses and relays in the luggage compartment – Without Super Cruise (2019)

Description
F01
F02 Auxiliary trunk power outlet
F03 Left window
F04
F05 Canister vent
F06 Right rear memory seat
F07 Body control module 7
F08 Passenger/Rear seat adjustment switch
F09 Passive entry/Passive start battery
F10 Rear subwoofer
F11 Left front memory seat module
F12
F13
F14 Rear seat memory/ Heated
F15 Left front subwoofer
F16 Right front memory seat
F17 Rear heated seat
F18 Regulated voltage control battery
F19 Driver passenger door window/Mirror/ Driver seat adjustment/Fuel door switch
F20 Electric brake control module – 2
F21 Vehicle integration control module
F22
F23 Rear closure latch
F24
F25 Left front motorized seat belt pretensioner
F26 Rear defogger
F27 Right front subwoofer
F28 Amplifier
F29 Sunroof
F30 Body control module 2
F31 Body control module 6
F32 Exterior heated mirrors
F33 Right window
F34 Power trunk module
F35 On-board charging module
F36 Pedestrian friendly alert function
F37
F38 Rear blower
F39 Fuel pump power module/Fuel tank zone module
F40
F41 Rear seat auxiliary power outlet
F42 Left rear memory seat
F43
F44 Rear closure release switch/Power trunk module/Integrated chassis control module battery
F45 Auxiliary audio/Video
F46 External object calculating module/ Side blind zone alert/ Rear center short range radar sensor/ Long range radar sensors
F47
F48
F49 Memory bolster module
F50 Body control module 1
F51 Transmission control module
F52 Park assist
F53 Ventilated seats
F54 Universal garage door opener/Power sounder module/Rain sensor
F55 Front memory seat module
F56 Evaporative emissions leak check module/Rear HVAC display
F57 Voltage current temperature module
F58
F59 Engine control module battery
F60 Right front motorized seat belt pretensioner
F61
F62
F63 Rear seat infotainment module
F64 Engine control module ignition
F65 Rear window sunshade
F66 Rear vision camera/ Rearview mirror
F67 Run/Crank misc/Air quality sensor/ Integrated chassis control module/ Electronic shifter/DC DC converter
F68 Damping control module
F69 Television tuner module
F70
F71
F72
F73
F74
F75
Relay
R1 Rear seat auxiliary power outlet
R2 Spare
R3 Run/Crank
Luggage compartment (With Super Cruise)

Fuses and relays Cadillac CT6 (2016-2019..)

Assignment of the fuses and relays in the luggage compartment – With Super Cruise (2019)

Description
F01
F02 Body control module 2 and 4
F03 Left rear external object calculating module
F04 Steering wheel display/Touch sensor
F05
F06
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
F12
F13 Left front subwoofer
F14 Rear blower
F15 Left window
F16 Canister vent
F17 Rear seat memory/ Heated
F18 Rear subwoofer
F19 Damping control module
F20
F21 Electric brake control module – 2
F22
F23 Left front motorized seat belt pretensioner
F24 Body control module 7
F25 Passive entry/Passive start battery
F26 Rear closure latch
F27 Amplifier
F28 Rear defogger
F29 Park assist module
F30 Body control module 1
F31 Driver monitoring system
F32 Driver passenger door window/Mirror/ Driver seat adjustment/Fuel door switch
F33 Passenger/Rear seat adjustment switch
F34 Left front memory seat
F35 Right rear memory seat
F36 External heated mirror
F37
F38 Transmission control module
F39 Rear seat infotainment module
F40
F41
F42
F43 Power trunk module
F44 Right front memory seat
F45
F46 Right window
F47 Engine control module battery
F48 Right front subwoofer
F49 Body control module 6
F50
F51
F52 Fuel pump power module/Fuel tank zone module
F53 Rear seat auxiliary power outlet
F54 Left rear memory seat
F55
F56 Rear closure release switch/Power trunk module
F57 Rear left and rear center short range radar sensors/Long range radar sensors/ Right rear external object calculating module
F58 Auxiliary audio/Video
F59
F60 Memory bolster module
F61
F62 Ventilated seat
F63 Universal garage door opener/Power sounder module/Rain sensor
F64 Passenger memory seat module
F65 Right front short range radar sensor/ Advance driver assist map
F66 Television tuner module
F67
F68
F69
F70 Right front motorized seat belt pretensioner
F71 Rear heated seat module
F72 Sunroof
F73 Rear vision camera/ Rearview mirror/Air quality sensor
F74 Rear window sunshade
F75 Engine control module ignition
F76 Misc run crank/ Energy storage control module/DC DC converter/Rear external object calculating module
F77 Trunk auxiliary power outlet
F78 Rear HVAC display
F79
F80
F81
F82
F83
F84
F85
F86
F87
Relays
R01 Rear seat auxiliary power outlet
R02 Spare
R03 Run/Crank

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