Buick Envision (2021-2024)

Looking for Buick Envision fuse box diagrams? This article covers the second-generation Buick Envision before the facelift, available from 2021, and includes fuse box diagrams for Buick Envision 2021, 2022, 2023 and 2024, 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

To remove the fuse block cover, squeeze the clips on the cover and lift it straight up.

Fuse Box Diagram

Fuses

Assignment of the fuses in the engine compartment fuse box

Fuse Data
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No.Usage
2Trailer stop/turn right
3Electronic brake control module
5Rear defog
6—
7Trailer stop/turn left
82021: Overhead console module/ Universal garage door opener/ Rain sensor
9Suspension control semi active dampen system module
10Adaptive forward lighting/rear drive control module
11Direct current to direct current converter 1
12Power tailgate
13—
14Canister vent solenoid
152024: Battery System Manager Module
16Front wiper
17Passenger power seat
18Motor window lifter left
19Motor window lifter right
21Exterior lighting module 1
22Exterior lighting module 3
23Exterior lighting module 6
24—
26Transmission control module direct current converter
27Remote function actuator
28—
29Exterior lighting module 4
30Memory seat module driver
32Headlamp right
33Front heated seat
34Rear heated seat
35Door panel / Seat position driver and passenger switch
36Fuel tank zone module
39Handsfree closure module
40Headlamp left
41—
44Rear wiper
48Blower motor
49—
50—
51—
522024: Motor Control Unit
54—
55—
56Starter motor
57Driver power seat / Memory seat module
58Rear drive control module
59—
60—
61—
62—
63—
65Air conditioning control
67—
68—
69—
70—
72Starter pinion
742024: Cooling Engine Air Pump
75Engine control module main
76Engine control module 2
78Horn
79Washer pump
81—
82Engine control module battery
83Engine control module/ Ignition coil
842021: Off engine 1/off engine 2
2022-2024: Mass Airflow/ Oxygen/ Inlet Air Temperature/ Throttle Inlet Absolute Pressure and Humidity/ Oxygen Heated Sensor/Block Coolant Valve/ Evaporative Emission Purge Pump/ Wide Range Air Fuel Oxygen Sensor/Canister Purge, Turbo Bypass, Step Cam Intake, Step Cam Exhaust, Engine Oil Control Solenoids
86—
87Sunroof
88Aero shutter
89—
93Trailer park lamp
95—
96—
99—

Relays

Assignment of the relays in the engine compartment fuse box

Fuse Data
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No.Description
K04Rear defog
K25Front wiper control
K37Front wiper speed
K64Starter motor
K66Powertrain
K71—
K73Air conditioning control
K80Starter pinion
K90—
K98—

Passenger Compartment

Fuse Box Location

The instrument panel fuse block is on the driver side of the instrument panel, between the steering wheel and the door. To access the fuses, remove the panel, starting at the top. Once clips are disengaged, the tabs along the bottom of the door can be disengaged from the instrument panel to remove the door. To reinstall the door, place the bottom tabs into the slots, and rotate the door into position, engaging the clips.

Fuse Box Diagram

Fuses

Assignment of the fuses in the passenger compartment fuse box

Fuse Data
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No.AmpsDescription
140ADirect current to direct current converter 2 (DC-DC)
230ABody control module 4
3——
4——
525ABody control module 2
620ABody control module 3
7——
820AExterior lighting module 5
9——
105ASteering column lock
1110ABody control module 1
12——
13——
14——
1515AAuxiliary power outlet rear cargo
16——
1720AExterior lighting module 7
1810AUplevel tail lamp
1910A2021: Steering column lock assembly
2022-2024: Overhead Console Module/ Universal Garage Door Opener/Rain Sensor/Electronic Toll Collector
2010ASensing diagnostic module/Automatic occupant sensing/ Data link connection/ Wireless charger
215A2021: Central gateway module/ Telematics control platform module
2022-2024: Central Gateway Module/ OnStar
2210AExternal object calculating module/ Long range radar/ Park assist/front camera module/ Side blind zone alert
2310AVideo processing module
24——
2510AAC power outlet/ Auxiliary USB
26——
2730AAmplifier
2860A2021: Jumper
2022-2024: Heated Steering Wheel Module/ Exterior Lighting Module Battery 2/ Direct Current/ AC Inverter
2910AInstrument duster/ Heads up display/ Air quality ionizer module/ Center stack display/ Heating ventilation air conditioning display
30——
31—2022-2024: Run/Crank Auxiliary Power Module/ Battery System Manager/ Motor Control Unit
3210ARun crank for misc. 3 humidity sensor/ Exterior lighting module/ Electronic brake control module/ Air quality sensor exterior/ Headlamp manual leveling left Right/ Inside rear view mirror/ lnterior particulate matter sensor/ Seat fan control cushion and back driver co driver
33——
3410ARun crank for misc. 1 & 2 shifter interface board module/ Instrument panel cluster/ Transmission control module/ Sensing & diagnostic module/Headlamp manual leveling switch/Reflective light auxiliary display
3515ARun crank for engine control module
3610AElectric park brake switch/ Shifter interface board
3715ARadio/Center stack module/ Auxiliary jack
38——
392A2021: Steering wheel clock spring
2022-2024: SW Controls – Cruise/Fast Idle Switches
4020AExterior lighting module 2
417.5AHeated steering wheel module
4220ADirect current to alternate current inverter module

Circuit Breakers

Assignment of the circuit breakers in the passenger compartment fuse box

Fuse Data
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No.AmpsDescription
CB1——
CB215AAuxiliary power outlet console

Relays

Assignment of the relays in the passenger compartment fuse box

Fuse Data
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No.Description
K01Retained accessory power accessory
K02Run/crank
K03—
K04—
K05—

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