Buick Envision Fuse Box: What Each Fuse Does

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

Engine compartment fuse block

FuseCircuit
F01SPARE
F02AERO_SHUT – Aeroshutter
F03SPARE
F04SPARE
F05SPARE
F06–
F07ECM MAIN – Engine Control Module Main
F08ECM_PTIGN2 – Engine Control Module Ignition 2
F09ECM&IGN COIL – Engine Control Module & Ignition Coil
F10SPARE
F11WRAF/STEP CAM/APMB/ EVAPP – Wide-range Air Fuel Oxygen Sensor/ Step Cam Intake/Step Cam Exhaust/Blower Accessory Power Module/ Evaporative Emission Purge Pump
F12SPARE
F13ECM_V_BATT – Engine Control Module Battery
F14SPARE
F15–
F16–
F17A/C CONTROL – Air Conditioning Control
F18SPARE
F19STARTER_PINION – Starter Pinion
F20SPARE
F21SPARE
F22SPARE
F23CWP – Charge Air Coder Water Pump
F24SPARE
F25STRTR_MTR – Starter Motor
F26SPARE
F27SPARE
F28–
F29SPARE
F30–
F31SPARE
F32–
F33SPARE
F34ELM_7 – Exterior Lighting Module 7
F35HEADLAMP_LEFT
F36ELM_BAT3 – Exterior Lighting Module 3
F37ELM_BAT5 – Exterior Lighting Module 5
F38HEADLAMP_RIGHT
F39SPARE
F40DOOR PANEL SW – Door Panel Switch
F41MSM DRVR/PASS – Memory Seat Module Driver/Passenger
F42HFRC – Hands Free Closure Release
F43FRT_HTD_SEAT – Front Heated Seat
F44AUTOMATIC LIGHTING/RFR
F45REAR_SEAT – Rear Heated Seat
F46SOLENOID_Canister Vent – Canister Vent Solenoid
F47RDCM_2 – Rear Drive Control Module 2
F48DC_DC – Direct Current to Direct Current Converter
F49SPARE
F50MTR WDO LIFTER LT – Left Window Lifter Motor
F51RDCM_1 – Rear Drive Control Module 1
F52PASS/PWR/SEAT – Passenger Power Seat
F53SPARE
F54DRVR/PRW/SEAT – Driver Power Seat
F55SPARE
F56TRLR PRK LAMP – Trailer Park Light
F57SPARE
F58SPARE
F59EBCM_1 – Electronic Brake Control Module 1
F60HORN
F61REAR DEFOG
F62FRT/WPR – Front Wiper
F63PWR_TLGATE – Power Tailgate
F64MTR_WDW_LIFTER_RT – Right Window Lifter Motor
F65SPARE
F66SUNROOF MTR – Sunroof Motor
F67SPARE
F68SPARE
F69–
F70REAR/WPR – Rear Wiper
F71ELM_4 – Exterior Lighting Module 4
F72FTZM – Fuel Tank Zone Module
F73SPARE
F74SPARE
F75SPARE
F76SPARE
F77SPARE
F78TRLR ST/TRN RT/LT – Trailer Stop Lights/Trailer Turn Right/Left
F79TCM – Transmission Control Module
F80SPARE

Source: owner's manual, PDF pages 244, 245, 246.

Instrument panel fuse block

FuseCircuit
F01Blower Motor
F02ACP 3
F03HSWM – Heated Steering Wheel Module
F04ELM 2 – Exterior Lighting Module 2
F05–
F06–
F07SWC – Steering Wheel Control
F08Auxiliary Audio/Video
F09ESM/BCM_1 – Electronic Shift Module/Body Control Module 1
F10TAIL LH/TH
F11VCD/HUD
F12–
F13DLC_WCM – Data Link Connector Wireless Charging Module Virtual Key
F14Headlight Seat fan
F15ECM/TCM – Electronic Control Module/Telematics Control Module
F16Power Outlet
F17Safety 1&2
F18EBCM_RC – Electronic Brake Control Module Run/Crank
F19MICROBAS_RC
F20TCP – Telematics Control Platform CGM – Central Gateway Module
F21VCU_BAT – Virtual Cockpit Unit Battery
F22SDM – Sensing Diagnostic Module
F23–
F24OHC – Overhead Console
F25HVAC – Heating, Ventilation, and Air Conditioning AUX USB – Auxiliary USB
F26ELM 1 – Exterior Lighting Module 1
F27HVAC Display
F28ELM 6 – Exterior Lighting Module 6
F29BSM – Battery Status Module
F30–
F31BCM 3 – Body Control Module 3
F32SDM – Sensing Diagnostic Module AOS – Automatic Occupant Sensor
F33–
F34Audio Amplifier – UQG
F35Audio Amplifier– UQS
F36DC/DC 2
F37DC/AC Inverter
F38–
F39BCM 4 – Body Control Module 4
F40BCM 2 – Body Control Module 2
CB01Power Outlet AUX DC ROW 1
CB02–
K01RAP/ACCY – Retained Accessory Power
K02–
K03Run/Crank
K04–

Source: owner's manual, PDF pages 248, 249.

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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