Buick Enclave (2018-2021)

Looking for Buick Enclave fuse box diagrams? This article covers the second-generation Buick Enclave before the facelift, available from 2018 to 2021, and includes fuse box diagrams for Buick Enclave 2018, 2019, 2020 and 2021, along with details about the location of the fuse panels inside the vehicle and a clear explanation of the assignment of each fuse and relay (fuse layout).

Engine Compartment

Fuse Box Location

The underhood fuse block is in the engine compartment, on the driver side of the vehicle. To remove the fuse block cover, press the clips on the cover and lift it straight up.

Do not pull the engine compartment fuse block lever, since it is intended only for service purposes. If pulled, vehicle malfunction may occur.

Fuse Box Diagram

Fuses

Assignment of the fuses in the engine compartment

Fuse Data
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No.Description
F1Antilock brake system pump
F2Starter 1
F3DC DC transformer 1
F4N/A
F5DC DC transformer 2
F6N/A
F7N/A
F8N/A
F9Vacuum pump
F10Front wiper
F11N/A
F12N/A
F13Starter 2
F14N/A
F15Rear wiper
F16N/A
F17N/A
F18N/A
F19N/A
F20N/A
F21N/A
F22Electronic brake control module
F23Parking / Trailer lamps
F24Right trailer stoplamp / Turn signal lamp
F25Steering column lock
F26N/A
F27Left trailer stoplamp / Turn signal lamp
F28N/A
F29N/A
F30Washer pump
F31N/A
F32Left low-beam headlamp
F332018-2020: Front fog lamps
2021: Daylight running lamps
F34Horn
F35N/A
F36N/A
F37Right low-beam headlamp
F38Automatic headlamp leveling motor
F39Transmission control module
F40Left rear bus electrical center / Ignition
F41Instrument cluster
F42Heating, ventilation, and air conditioning
F432018-2020: Head-up display
2021: Head-up display / Reflective light auxiliary display
F44Communication gateway module / Run/Crank
F45N/A
F46N/A
F47N/A
F48N/A
F49Interior rearview mirror
F502018-2020: Fuel system control module
2021: Fuel system control module / Shifter interface board / Run/Crank
F51Heated steering wheel
F52Folding seats switch
F532018-2020: N/A
2021: Coolant pump
F542018-2020: Coolant pump
2021: N/A
F55Air conditioning clutch
F562018-2020: Integrated chassis control module
2021: N/A
F57Engine control module / Ignition
F58Transmission control module / Ignition
F59Engine control module battery
F602018: N/A
2019-2021: Engine control module – even
F612018: O2 sensor 1 / MAF / Aeroshutter
2019: O2 sensor 1 / MAF
2020-2021: O2 sensor 1 / Air flow
F622018: Engine control module – even 1
2019-2021: N/A
F63O2 sensor 2 / Canister / Engine oil / Turbo
F642018: Engine control module – even 2
2019-2021: Aeroshutter
F65Engine control module powertrain 1
F66Engine control module powertrain 2
F67Engine control module – odd
F68N/A
F69N/A
F70N/A
F71N/A
F72N/A
F73N/A
F74N/A
F75N/A
F76N/A
F77N/A

Relays

Assignment of the relays in the engine compartment

Fuse Data
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No.Description
K1Starter 1
K2Run/Crank
K3Vacuum pump
K4N/A
K5Air conditioning
K62018-2020: Coolant pump
2021: N/A
K7Engine control module
K8Folding seats
K9N/A
K10Starter 2

Passenger Compartment

Fuse Box Location

The instrument panel fuse block is inside the center console on the passenger side of the vehicle. Remove the fuse access door by pulling on the left side of the access door.

Fuse Box Diagram

Fuses

Assignment of the fuses in the passenger compartment

Fuse Data
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No.Description
F1Body control module 6
F2Diagnostic link
F3Electric steering column lock
F4Rear USB port
F52018-2020: N/A
2021: Rear sunshade / Park/Reverse/Neutral/Drive/Low
F6Heating, ventilation, and air conditioning
F7Body control module 3
F82018-2020: N/A
2021: Adaptive front lighting system
F9Right front heated seat
F10Airbag
F112018-2020: Electronic precision shift
2021: N/A
F12Amplifier
F13Body control module 7
F14Left front heated seat
F15N/A
F16Sunroof
F17Communication gateway module (if equipped)
F182018-2020: Instrument cluster
2021: Instrument cluster / Head up display
F19Body control module 1
F20Wireless charger module
F21Body control module 4
F22Infotainment
F23Body control module 2
F242018-2020: N/A
2021: Park/Reverse/Neutral/Drive/Low
F252018-2020: Park assist
2021: Park assist / Shifter interface board
F26Communications integration module
F27Video
F28Radio / Heating, ventilation, and air conditioning display
F29Radio
F30Steering wheel controls
F31Front blower
F32DC AC inverter
F33Driver power seat
F34Passenger power seat
F35Feed / Body control module 4
F36Electric power steering
F37Power outlet / Wireless charger / Accessory
F38Body control module 8
F39Steering wheel controls backlighting

Circuit Breakers

Assignment of the circuit breakers in the passenger compartment

Fuse Data
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No.Description
F40N/A
F41N/A
F42Auxiliary power outlet (CB) / Lighter (minifuse)

Luggage Compartment

Fuse Box Location

The rear compartment fuse block is behind a trim panel on the driver side of the rear storage compartment. The trim panel is removed by prying along the top edge of the trim panel at two notched locations.

Fuse Box Diagram

Fuses

Assignment of the fuses in the luggage compartment

Fuse Data
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No.Description
F1N/A
F2Trailer
F3Folding seats
F4Rear blower
F5Rear drive control
F6N/A
F7Right window
F8Rear defogger
F9Left window
F10N/A
F11Trailer reverse
F12USB port / Third row seats
F13N/A
F14N/A
F15N/A
F16N/A
F172018-2019: Camera
2020-2021: Air quality sensor
F18N/A
F192018-2019: Ventilated seats
2020-2021: Ventilated seats / Massage
F20N/A
F21N/A
F22N/A
F23N/A
F24Lumbar
F25N/A
F26Trailer brake lamps
F272018-2019: N/A
2020-2021: Massage
F28Passive entry / Passive start
F29N/A
F30Canister vent
F31N/A
F32Heated mirrors
F33USB port / Second row seats
F34Liftgate module
F352018-2020: Fuel system control module
2021: Fuel system control module / Fuel tank zone module
F36N/A
F37N/A
F38Window module
F39Rear closure
F40Memory seat module
F41Automatic occupancy sensor
F42N/A
F43N/A
F44N/A
F45Liftgate motor
F46Rear heated seats
F47N/A
F48N/A
F49N/A
F50N/A
F51N/A
F52Semi-active dampening system module
F53N/A
F54External object calculating remote system / Blind zone alert
F55N/A
F56Universal remote system / Overhead console
F57Hands free closure release

Circuit Breakers

Assignment of the circuit breakers in the luggage compartment

Fuse Data
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No.Description
CB1N/A
CB2N/A
CB3Rear auxiliary power outlet

Relays

Assignment of the relays in the luggage compartment

No.Description
K1N/A
K2N/A

FAQ

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