Fuses and relays Buick Envision (2014-2020)

In this article, we provide a detailed overview of the fuse box diagrams for the Buick Envision (first generation): 2014, 2015, 2016, 2017, 2018, 2019, and 2020 model years.

Fuse F8 in the instrument panel fuse block supplies power to the front cigarette lighter and 12 V power outlet.

Luggage Compartment Fuse Block


This fuse block is located on the left side of the rear cargo area, behind a trim cover. To access it, turn the latch with a flat-blade tool and remove the cover.


General view of the fuse block.

Diagram
No. Description
Relays
K1 Park lamps
K2 Not used
K3 Ignition/Run relay
K4 Logistics relay
K5 DC/AC inverter relay
K6 Not used
K7 2014–2018: Park assist module
2019–2020: Park lamps
K8 2014–2018: Right turn signal lamps
2019–2020: Trailer right turn signal lamps
K9 2014–2018: Left turn signal lamps
2019–2020: Trailer left turn signal lamps
K10
Fuses
F1 Not used
F2 DC/AC inverter
F3 2014–2019: Not used
2020: Passenger power seat
F4 2014–2019: Passenger power seat
2020: Passenger power seat
F5 Memory seat module
F6 2014–2018: Not used
2019–2020: Central gateway module
F7 Audio amplifier
F8 Rear accessory 12 V power outlet / Rear cigarette lighter
F9 Rear heated seats
F10 Logistics relay
F11 Rear HVAC module
F12 Power liftgate hands-free sensor
F13 Park and trailer lamps
F14 Side blind zone alert module
F15 Left park lamp
F16 Right park lamp
F17 Body Control Module (BCM) 6
F18 Heated steering wheel
F19 2014–2018: All-Wheel Drive (AWD) module
2019–2020: Rear drive control module
F20 Power lumbar support
F21 Rear heated seats
F22 Rear drive control module
F23 Trailer left turn signal lamp
F24 Trailer right turn signal lamp

Engine Compartment Fuse Block


This fuse block is located on the driver's side of the engine compartment, beneath the plastic cover.


Accessing the fuse block.


General view of the fuse block.

Diagram
No. Description
Relays
K01 Start/Stop relay
K02 A/C clutch relay
K03 Engine Control Module (ECM) relay
K04 Windshield wiper relay
K05 Starter solenoid
K06 Empty
K07 Empty
K08 Transmission fluid pump relay
K09 Wiper speed control
K10 Starter motor
K11 Headlamp washer pump
K12 High-beam headlamps
K13 2014–2018: Daytime Running Lamps (DRL)
2019–2020: Low-beam headlamps
K14 Run/Crank relay
K15 Rear window / Outside mirror defogger
Fuses
F01 Starter 1
F02 Starter 2
F03 2014–2018: Non-walk module
2019–2020: EVAP canister purge solenoid
F04 Engine Control Module (ECM)
F05 2014–2018: FlexFuel module
2019–2020: FlexFuel / Active aero shutter motor
F06 – / Transmission Control Module (TCM)
F07 Empty
F08 Engine Control Module (ECM)
F09 A/C compressor
F10 EVAP canister vent solenoid
F11 Fuel pump module
F12 Heated seats
F13 Engine coolant pump
F14 Empty
F15 Heated oxygen (O2) sensor
F16 2014–2018: Ignition coils – odd cylinders
2019–2020: Ignition coils
F17 2014–2018: Ignition coils – even cylinders
2019–2020: Engine Control Module (ECM)
F18 Empty
F19 Empty
F20 DC/DC converter / Transmission
F21 Power liftgate
F22 Anti-lock Brake System (ABS) module
F23 Windshield washer pump
F24 Headlamp washer pump
F25 Empty
F26 Auxiliary transmission fluid pump
F27 Anti-lock Brake System (ABS) module
F28 Empty
F29 Rear window defogger
F30 Outside mirror defogger
F31 Empty
F32 Various low-current functions / Circuit 39 splice
F33 Empty
F34 Horn
F35 Empty
F36 Right high-beam headlamp
F37 Left high-beam headlamp
F38 Automatic headlamp leveling module
F39 Front fog lamps
F40 Auxiliary transmission fluid pump
F41 Passenger seat ventilation
F42 Headlamp leveling module
F43 Empty
F44 Inside rearview mirror
F45 Empty
F46 Driver seat ventilation
F47 Electronic steering column lock
F48 Rear window wiper
F49 Empty
F50 Empty
F51 2014–2018: Right Daytime Running Lamp (DRL)
2019–2020: Right low-beam headlamp
F52 Engine Control Module (ECM) / Transmission Control Module (TCM)
F53 Empty
F54 Empty
F55 Windshield wiper
F56 Empty
F57 2014–2018: Left Daytime Running Lamp (DRL)
2019–2020: Left low-beam headlamp

Instrument Panel Fuse Block


This fuse block is located within the glove box assembly.


To access the fuses, open the trim panel door by pulling it outward.


General view of the fuse block.

Diagram
No. Description
F1 Empty
F2 Front HVAC blower motor
F3 Power seat
F4 Cigarette lighter (China market only)
F5 Empty
F6 Front power windows
F7 Empty
F8 2014–2018: Accessory 12 V power outlet / Cigarette lighter
2019–2020: Center console 12 V power outlet
F9 Body Control Module (BCM) 8
F10 Rear power windows
F11 Empty
F12 Moonroof
F13 Front heated seats
F14 Outside rearview mirror
F15 Body Control Module (BCM) 3
F16 Empty
F17 2014–2018: Body Control Module (BCM) 6
2019–2020: Not used
F18 Body Control Module (BCM) 7
F19 Data Link Connector (DLC)
F20 Sensing and Diagnostic Module (SDM)
F21 HVAC control module
F22 Power liftgate release
F23 Passive Entry / Passive Start (PEPS) system
F24 Occupant Classification System (OCS) sensor
F25 Steering wheel controls
F26 2014–2018: Ignition module
2019–2020: Steering column lock assembly
F27 Body Control Module (BCM) 4
F28 Transmission Control Module (TCM)
F29 Body Control Module (BCM) 2
F30 USB port
F31 Rear HVAC blower motor
F32 Body Control Module (BCM) 1
F33 Universal remote system / Garage door opener
F34 Park assist module
F35 OnStar® module
F36 Infotainment display
F37 Radio / Infotainment system
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