
Buick Envision 2026 Fuse Box Info
Passenger compartment fuse box location:

The fuse box is located on the driver side of the instrument panel, between the steering wheel and the door.
Engine compartment fuse box location:

Fuse Box Diagram | Layout
Passenger compartment fuse box:

| Fuse/Relay N° | Functions |
| 01 | Blower Motor |
| 02 | ACP 3 |
| 03 | HSWM – Heated Steering Wheel Module |
| 04 | ELM 2 – Exterior Lighting Module 2 |
| 05 | - |
| 06 | - |
| 07 | SWC – Steering Wheel Control |
| 08 | Auxiliary Audio/Video |
| 09 | ESM/BCM_1 – Electronic Shift Module/Body Control Module 1 |
| 10 | TAIL LH/TH |
| 11 | VCD/HUD |
| 12 | - |
| 13 | DLC_WCM – Data Link Connector Wireless Charging Module Virtual Key |
| 14 | Headlight Seat fan |
| 15 | ECM/TCM Electronic Control Module/Telematics Control Module |
| 16 | Power Outlet |
| 17 | Safety 1&2 |
| 18 | EBCM_RC – Electronic Brake Control Module Run/Crank |
| 19 | MICROBAS_RC |
| 20 | TCP – Telematics Control Platform CGM – Central Gateway Module |
| 21 | VCU_BAT – Virtual Cockpit Unit Battery |
| 22 | SDM – Sensing Diagnostic Module |
| 23 | - |
| 24 | OHC – Overhead Console |
| 25 | HVAC – Heating,Ventilation, and Air Conditioning AUX USB – Auxiliary USB |
| 26 | ELM 1 – Exterior Lighting Module 1 |
| 27 | HVAC Display |
| 28 | ELM 6 – Exterior Lighting Module 6 |
| 29 | BSM – Battery Status Module |
| 30 | - |
| 31 | BCM 3 – Body Control Module 3 |
| 32 | SDM – Sensing Diagnostic Module AOS – Automatic Occupant Sensor |
| 33 | - |
| 34 | Audio Amplifier – UQG |
| 35 | Audio Amplifier– UQS |
| 36 | DC/DC 2 |
| 37 | DC/AC Inverter |
| 38 | - |
| 39 | BCM 4 – Body Control Module 4 |
| 40 | BCM 2 – Body Control Module 2 |
| CB01 | Power Outlet AUX DC ROW 1 |
| CB02 | - |
| K01 | RAP/ACCY – Retained Accessory Power |
| K02 | - |
| K03 | Run/Crank |
| K04 | - |
Engine compartment fuse box:

| Fuse/Relay N° | Functions |
| 01 | SPARE |
| 02 | AERO_SHUT – Aeroshutter |
| 03 | SPARE |
| 04 | SPARE |
| 05 | SPARE |
| 06 | - |
| 07 | ECM MAIN – Engine Control Module Main |
| 08 | ECM_PTIGN2 – Engine Control Module Ignition 2 |
| 09 | ECM&IGN COIL – Engine Control Module & Ignition Coil |
| 10 | SPARE |
| 11 | WRAF/STEP CAM/APMB/EVAPP – Wide-range Air Fuel Oxygen Sensor/Step Cam Intake/Step Cam Exhaust/Blower Accessory Power Module/Evaporative Emission Purge Pump |
| 12 | SPARE |
| 13 | ECM_V_BATT – Engine Control Module Battery |
| 14 | SPARE |
| 15 | - |
| 16 | - |
| 17 | A/C CONTROL – Air Conditioning Control |
| 18 | SPARE |
| 19 | STARTER_PINION – Starter Pinion |
| 20 | SPARE |
| 21 | SPARE |
| 22 | SPARE |
| 23 | CWP – Charge Air Coder Water Pump |
| 24 | SPARE |
| 25 | STRTR_MTR – Starter Motor |
| 26 | SPARE |
| 27 | SPARE |
| 28 | - |
| 29 | SPARE |
| 30 | - |
| 31 | SPARE |
| 32 | - |
| 33 | SPARE |
| 34 | ELM_7 – Exterior Lighting Module 7 |
| 35 | HEADLAMP_LEFT |
| 36 | ELM_BAT3 – Exterior Lighting Module 3 |
| 37 | ELM_BAT5 – Exterior Lighting Module 5 |
| 38 | HEADLAMP_RIGHT |
| 39 | SPARE |
| 40 | DOOR PANEL SW – Door Panel Switch |
| 41 | MSM DRVR/PASS – Memory Seat Module Driver/Passenger |
| 42 | HFRC – Hands Free Closure Release |
| 43 | FRT_HTD_SEAT – Front Heated Seat |
| 44 | AUTOMATIC LIGHTING/RFR |
| 45 | REAR_SEAT – Rear Heated Seat |
| 46 | SOLENOID_Canister Vent – Canister Vent Solenoid |
| 47 | RDCM_2 – Rear Drive Control Module 2 |
| 48 | DC_DC – Direct Current to Direct Current Converter |
| 49 | SPARE |
| 50 | MTR WDO LIFTER LT – Left Window Lifter Motor |
| 51 | RDCM_1 – Rear Drive Control Module 1 |
| 52 | PASS/PWR/SEAT – Passenger Power Seat |
| 53 | SPARE |
| 54 | DRVR/PRW/SEAT – Driver Power Seat |
| 55 | SPARE |
| 56 | TRLR PRK LAMP – Trailer Park Lamp |
| 57 | SPARE |
| 58 | SPARE |
| 59 | EBCM_1 – Electronic Brake Control Module 1 |
| 60 | HORN |
| 61 | REAR DEFOG |
| 62 | FRT/WPR – Front Wiper |
| 63 | PWR_TLGATE – Power Tailgate |
| 64 | MTR_WDW_LIFTER_RT – Right Window Lifter Motor |
| 65 | SPARE |
| 66 | SUNROOF MTR – Sunroof Motor |
| 67 | SPARE |
| 68 | SPARE |
| 69 | - |
| 70 | REAR/WPR – Rear Wiper |
| 71 | ELM_4 – Exterior Lighting Module 4 |
| 72 | FTZM – Fuel Tank Zone Module |
| 73 | SPARE |
| 74 | SPARE |
| 75 | SPARE |
| 76 | SPARE |
| 77 | SPARE |
| 78 | TRLR ST/TRN RT/LT – Trailer Stop Lights/Trailer Turn Right/Left |
| 79 | TCM – Transmission Control Module |
| 80 | SPARE |
| 81 | SADS – Suspension Control Semi-Active Dampen System Module |
| 82 | - |
| 83 | WASH PUMP |





