CAR SPEC SHEET

Buick Envista Fuse Box: What Each Fuse Does

From the 2026 Buick Envista owner's manual. 2 fuse boxes listed.

Engine Compartment Fuse Block

FuseCircuit
F01L/GATE RELEASE – Liftgate Release
F02A/C CLUTCH – Air Conditioning Clutch
F06HTD OSRVM – Heated Outside Rear View Mirror
F08HORN
F10–
F11ECM PT 1 – Electronic Control Module Powertrain 1
F12IGNITION COIL
F13ENG COMPONENT 2
F14ENG COMPONENT 1
F15ECM PT 2 – Electronic Control Module Powertrain 2
F16–
F17–
F18RVC
F19ECM BATT – Electronic Control Module Battery
F20AUX WATER PUMP – Auxiliary Water Pump
F21PEPS
F24HTD/SEAT 1
F25HTD/SEAT 2
F28CAC SHUTTER
F29–
F31FTZM – Fuel Tank Zone Module
F32TCM BATT – Traction Control Module Battery
F34ESCL RUN/CRANK – Electric Steering Column Lock Run/Crank
F35–
F36–
F37ECM TCM RUN/CRANK – Electronic Control Module Traction Control Module Run/Crank
F40–
F41HDLP LEVELING – Headlight Leveling
F42CLUSTER
F44WASH PUMP
F45–
F46–
F47CNSTR VENT SOL – Canister Vent Solenoid
F48–
F49REAR WIPER PARK
F50–
F51–
F52–
F53VENT SEAT
F54–
F55–
F56ISRVM/RLAD – Inside Rear View Mirror/Reflective LED Alert Display
F57–
F58REAR WIPER
F59–
F62LUMBAR
F03STARTER SOL
F04–
F05RR DEFOG
F07COOLING FAN MID
F09–
F22FRONT WIPER
F23–
F26COOLING FAN LOW
F27–
F30–
F33–
F38EBCM 2 – Electronic Brake Control Module 2
F39COOLING FAN HIGH
F43–
F60POWER WINDOW LT
F61POWER WINDOW RT
K04COOLING FAN HIGH RELAY
K01STARTER SOL RELAY
K02–
K03POWERTRAIN RELAY

Source: owner's manual, PDF pages 216, 217.

Instrument Panel Fuse Block

Location: On the underside of the driver side instrument panel; remove the storage compartment to access the fuses.

FuseCircuit
F01ONSTAR for NA market
F02Sunshade Motor
F03Body Control Module 3
F04Body Control Module 7
F05Body Control Module 6
F06HVAC Module 1
F07CGM – Central Gateway Module
F08HSWM – Heated Steering Wheel Module
F09Virtual Cockpit Display/ Instrument Panel Display/ HVAC Display
F10Radio/Virtual Cockpit Unit Module
F11ONSTAR for Non-NA market
F12Side Blind Zone Alert Module/Camera Module/Ultrasonic Park Assist Module
F13HVAC Module IGN
F14Wireless Charger Module/ Remote Electronic PRNDL Display
F15BCM 2 – Body Control Module 2
F16BCM 1 – Body Control Module 1
F17Steering Wheel Controls Backlighting
F18–
F19–
F20Steering Wheel Controls Switch
F21BCM 5 – Body Control Module 5
F22DLC – Data Link Connector
F23SDM – Sensing Diagnostic Module
F24–
F24Discrete Logic Ignition Switch
F25PTM 1 – Power Tailgate Module 1
F26Logistic
F27–
F28BCM 8 – Body Control Module 8
F29DC to DC Converter 2
F30PTM 2 – Power Tailgate Module 2 (Motor)
F31OSRVM/ETC/Rain Light Humidity Sensor/ Humidity Sensor
F32Headlight Low Beam Light LEFT
F33BCM 4 – Body Control Module 4
F34Headlight Low Beam Light RIGHT
F35–
F36–
F37Seat Position Switch DRIVER
F38DC to DC Converter 1
F39ACC/RAP Relay/RUN Relay
F40Blower Motor Control Module
F41Auxiliary Audio/Video Jack/FRT USB
F42Auxiliary RR USB Power Outlet
F43–
F44–
CB1Auxiliary DC Power Outlet
K01ACC/RAP Relay
K02RUN Relay
K03Logistics Relay
K04–
K05–
SSPARE

Source: owner's manual, PDF pages 218, 219.

Listings are copied as text from the manual's fuse tables (AI-assisted; every circuit name was matched against the cited pages 2026-10-18). Fuse layouts can differ by trim and year; check the label on the fuse box cover before replacing a fuse, and always use the same amp rating.

Confirm with your own manual, dipstick or door-jamb label.
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