Buick Envista 2026 Fuse Box Info
Passenger compartment fuse box location:
The fuse box is located at the left side of the steering column at the bottom of the instrument panel behind the cover.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Functions |
| Fuses | |
| 01 | ONSTAR for NA market |
| 02 | Sunshade Motor |
| 03 | Body Control Module 3 |
| 04 | Body Control Module 7 |
| 05 | Body Control Module 6 |
| 06 | HVAC Module 1 |
| 07 | CGM – Central Gateway Module |
| 08 | HSWM – Heated Steering Wheel Module |
| 09 | Virtual Cockpit Display/Instrument Panel Display/HVAC Display |
| 10 | Radio/Virtual Cockpit Unit Module |
| 11 | ONSTAR for Non-NA market |
| 12 | Side Blind Zone Alert Module/Camera Module/Ultrasonic Park Assist Module |
| 13 | HVAC Module IGN |
| 14 | Wireless Charger Module/Remote Electronic PRNDL Display |
| 15 | BCM 2 – Body Control Module 2 |
| 16 | BCM 1 – Body Control Module 1 |
| 17 | Steering Wheel Controls Backlighting |
| 18 | - |
| 19 | - |
| 20 | Steering Wheel Controls Switch |
| 21 | BCM 5 – Body Control Module 5 |
| 22 | DLC – Data Link Connector |
| 23 | SDM – Sensing and Diagnostic Module |
| 24 |
- Discrete Logic Ignition Switch |
| 25 | PTM 1 – Power Tailgate Module 1 |
| 26 | Logistic |
| 27 | - |
| 28 | BCM 8 – Body Control Module 8 |
| 29 | DC to DC Converter 2 |
| 30 | PTM 2 – Power Tailgate Module 2 (Motor) |
| 31 | OSRVM/ETC/Rain Light Humidity Sensor/Humidity Sensor |
| 32 | Headlamp Low Beam Lamp LEFT |
| 33 | BCM 4 – Body Control Module 4 |
| 34 | Headlight Low Beam Light RIGHT |
| 35 | - |
| 36 | - |
| 37 | Seat Position Switch DRIVER |
| 38 | DC to DC Converter 1 |
| 39 | ACC/RAP Relay/RUN Relay |
| 40 | Blower Motor Control Module |
| 41 | Auxiliary Audio/Video Jack/FRT USB |
| 42 | Auxiliary RR USB Power Outlet |
| 43 | - |
| 44 | - |
| Circuit Breaker |
|
| CB1 | Auxiliary DC Power Outlet |
| Relays | |
| K01 | ACC/RAP Relay |
| K02 | RUN Relay |
| K03 | Logistics Relay |
| K04 | - |
| K05 | - |
| Spare Fuses | |
| S | SPARE |
Engine compartment fuse box:
| Fuse/Relay N° | Functions |
| Micro Fuses | |
| 01 | L/GATE RELEASE Liftgate Release |
| 02 | A/C CLUTCH – Air Conditioning Clutch |
| 06 | HTD OSRVM – Heated Outside Rear View Mirror |
| 08 | HORN |
| 10 | - |
| 11 | ECM PT 1 – Electronic Control Module Powertrain 1 |
| 12 | IGNITION COIL |
| 13 | ENG COMPONENT 2 |
| 14 | ENG COMPONENT 1 |
| 15 | ECM PT 2 – Electronic Control Module Powertrain 2 |
| 16 | - |
| 17 | - |
| 18 | RVC |
| 19 | ECM BATT – Electronic Control Module Battery |
| 20 | AUX WATER PUMP Auxiliary Water Pump |
| 21 | PEPS |
| 24 | HTD/SEAT 1 |
| 25 | HTD/SEAT 2 |
| 28 | CAC SHUTTER |
| 29 | - |
| 31 | FTZM – Fuel Tank Zone Module |
| 32 | TCM BATT – Traction Control Module Battery |
| 34 | ESCL RUN/CRANK – Electric Steering Column Lock Run/Crank |
| 35 | - |
| 36 | - |
| 37 | ECM TCM RUN/CRANK Electronic Control Module Traction Control Module Run/Crank |
| 40 | - |
| 41 | HDLP LEVELING Headlight Leveling |
| 42 | CLUSTER |
| 44 | WASH PUMP |
| 45 | - |
| 46 | - |
| 47 | CNSTR VENT SOL – Canister Vent Solenoid |
| 48 | - |
| 49 | REAR WIPER PARK |
| 50 | - |
| 51 | - |
| 52 | - |
| 53 | VENT SEAT |
| 54 | - |
| 55 | - |
| 56 | ISRVM/RLAD – Inside Rear View Mirror/Reflective LED Alert Display |
| 57 | - |
| 58 | REAR WIPER |
| 59 | - |
| 62 | LUMBER |
| M-case Fuses | |
| 03 | STARTER SOL |
| 04 | - |
| 05 | RR DEFOG |
| 07 | COOLING FAN MID |
| 09 | - |
| 22 | FRONT WIPER |
| 23 | - |
| 26 | COOLING FAN LOW |
| 27 | - |
| 30 | - |
| 33 | - |
| 38 | EBCM 2 – Electronic Brake Control Module 2 |
| 39 | COOLING FAN HIGH |
| 43 | - |
| 60 | POWER WINDOW LT |
| 61 | POWER WINDOW RT |
| Mini Relays | |
| K04 | COOLING FAN HIGH RELAY |
| Micro Relays | |
| K01 | STARTER SOL RELAY |
| K02 | - |
| K03 | POWERTRAIN RELAY |
