fuse CADILLAC CT6 2020 User Guide

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
302 VEHICLE CARE
RelaysUsage
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 – 4.2L Engine
The 4.2L engine has an underhood
fuse block on each side of the engine
compartment.
Driver Side Fuse Block
Lift the fuse block cover to access the
fuses. The vehicle may not be equipped with
all of the fuses and relays shown.
Caution
Spilling liquid on any electrical
component on the vehicle may
damage it. Always keep the covers
on any electrical component.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
VEHICLE CARE 303
FusesUsage
F1 –
F2 –
F3 –
F4 –
F5 High-beam headlamps left/right
F6 – Fuses
Usage
F7 Front wiper
F8 –
F9 Instrument cluster/ Electric brake control
module 1/Central
gateway module
ignition
F10 – Fuses
Usage
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

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
304 VEHICLE CARE
FusesUsage
F22 Electric steering column lock ignition
F23 Washer
F24 Left cornering LED
F25 –
F26 –
F27 –
F28 –
F29 Electric brake control module–1
Relays Usage
R1 –
R2 –
R3 –
R4 High-beam headlamp
R5 Wiper control
R6 Wiper speed
R7 Run/Crank
R8 – The 8-cylinder engine has an
underhood fuse block on each side of
the engine compartment.
Passenger Side Fuse Block
Lift the fuse block cover to access the
fuses. The vehicle may not be equipped with
all of the fuses and relays shown.
Caution
Spilling liquid on any electrical
component on the vehicle may
damage it. Always keep the covers
on any electrical component.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
VEHICLE CARE 305
FusesUsage
F1 Electric brake control module–2
F2 –
F3 Headlamp/Daytime running lamps
F4 Right cornering LED
F5 – Fuses
Usage
F6 Front short range radar sensors
F7 Horn
F8 Air conditioning clutch
F9 –
F10 – Fuses
Usage
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

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
306 VEHICLE CARE
FusesUsage
F26 Charge air coolant pump
F27 Engine control module ignition –2
F28 –
F29 –
Relays Usage
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 –Instrument Panel Fuse
Block
The instrument panel fuse block is
behind the driver side instrument
panel storage compartment.
The storage compartment has a press
to open latch. To access the fuses,
open the compartment by pressing
and releasing near the top center
square.
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.
To reinstall the compartment, reverse
the steps.
The vehicle may not be equipped with
all of the fuses shown.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
VEHICLE CARE 307
FusesUsage
F1 Auxiliary power outlet front console
F2 Visor
F3 Front blower
F4 Body control module 8
F5 Steering column switch module Fuses
Usage
F6 Electric steering column lock
F7 Glove box door
F8 Front heated seat module
F9 Sensing and diagnostic module Fuses
Usage
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 –
F22 –
F23 Central gateway module
F24 Center stack module/ Infotainment

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
308 VEHICLE CARE
FusesUsage
F25 Video processing module night vision
F26 Steering wheel controls
F27 USB charge port
F28 Wireless charger
F29 –
F30 SpeakerRear Compartment Fuse
Block
The rear compartment fuse block is
behind a cover on the passenger side.
The vehicle may not be equipped with
all of the fuses, relays, and features
shown.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
VEHICLE CARE 309
Without Super Cruise
Fuses Usage F01 –
F02 Auxiliary trunk power outlet
F03 Left window
F04 –
F05 Canister vent Fuses Usage
F06 Right rear memory seat
F07 Body control module 7
F08 Passenger/Rear seat adjustment switch Fuses Usage
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 –
F19 Driver passenger door window/Mirror/
Driver seat
adjustment/Fuel door
switch
F20 Electric brake control module–2
F21 –

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
310 VEHICLE CARE
FusesUsage
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 –
F36 –
F37 – Fuses
Usage
F38 Rear blower
F39 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 – Fuses
Usage
F49 Memory bolster module
F50 Body control module 1
F51 Transmission control module
F52 Park assist
F53 Ventilated seats
F54 Headliner/Universal garage door opener/
Power sounder
module/Rain sensor
F55 Front memory seat module
F56 Rear HVAC Display
F57 –
F58 –
F59 Engine control module battery
F60 Right front motorized seat belt pretensioner
F61 –

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) -
2020 - CRC - 6/11/19
VEHICLE CARE 311
FusesUsage
F62 –
F63 Rear seat infotainment module
F64 Engine control module ignition
F65 Rear window sunshade
F66 Rear vision camera/ Inside 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 – Fuses
Usage
F73 –
F74 –
F75 –
Relays Usage
R1 Rear seat auxiliary power outlet
R2 Spare
R3 Run/Crank