2026 Buick Envista Fuse Box Diagram & Location User Guide
You may easily locate and locate necessary fuses with the help of the 2026 Buick Envista fuse box diagram and location instructions. This guide offers precise instructions on where to locate the fuse boxes and comprehend their arrangement, whether you’re doing routine maintenance or troubleshooting electrical problems.
Video: 2026 Buick Envista Fuse
Electrical System
Electrical System Overload
The vehicle has fuses and circuit breakers to protect against an electrical system overload. When the current electrical load is too heavy, the circuit breaker opens and closes, protecting the circuit until the current load returns to normal or the problem is fixed. This greatly reduces the chance of circuit overload and fire caused by electrical problems. Fuses and circuit breakers protect power devices in the vehicle. If there is a problem on the road and a fuse needs to be replaced, the same amperage fuse can be borrowed. To check a fuse, look at the band inside the fuse. If the band is broken or melted, replace the fuse. Be sure to replace a bad fuse with a fuse of identical size and rating.
Replacing a Blown Fuse
- Turn off the vehicle.
- Locate the fuse puller in the engine compartment fuse block.
- Use the fuse puller to remove the fuse from the top or side.
- If the fuse must be replaced immediately, borrow a replacement fuse with the same amperage from the fuse block. Choose
a vehicle feature that is not needed to safely operate the vehicle. Repeat Steps 2-3. - Insert the replacement fuse into the empty slot of the blown fuse.
At the next opportunity, see your dealer to replace the blown fuse.
Headlamp Wiring
An electrical overload may cause the lamps to go on and off, or in some cases to remain off. Have the headlamp wiring checked right away if the lamps go on and off or remain off.
Windshield Wipers
If the wiper motor overheats due to heavy snow or ice, the windshield wipers will stop until the motor cools and will then restart.
Although the circuit is protected from electrical overload, overload due to heavy snow or ice may cause wiper linkage damage. Always clear ice and heavy snow from the windshield before using the windshield wipers. If the overload is caused by an electrical problem and not snow or ice, be sure to get it fixed.
Fuses and Circuit Breakers
The wiring circuits in the vehicle are protected from short circuits by a combination of fuses and circuit breakers. This greatly reduces the chance of damage caused by electrical problems.
Danger
Fuses and circuit breakers are marked with their ampere rating. Do not exceed the specified amperage rating when replacing fuses and circuit breakers. Use of an oversized fuse or circuit breaker can result in a vehicle fire. You and others could be seriously injured or killed.
Warning
Installation or use of fuses that do not meet GM’s original fuse specifications is dangerous. The fuses could fail, and result in a fire. You or others could be injured or killed, and the vehicle could be damaged.
Engine Compartment Fuse Block
To remove the fuse block cover, squeeze the clip and lift it up.
Caution
Spilling liquid on any electrical component on the vehicle may damage it. Always keep the covers on any electrical component.
| Micro Fuses | Usage |
| F01 | L/GATE RELEASE –Liftgate Release |
| F02 | A/C CLUTCH – Air Conditioning Clutch |
| F06 | HTD OSRVM – Heated Outside Rear View Mirror |
| F08 | HORN |
| F10 | – |
| F11 | ECM PT 1 – Electronic Control Module Powertrain 1 |
| F12 | IGNITION COIL |
| F13 | ENG COMPONENT 2 |
| F14 | ENG COMPONENT 1 |
| F15 | ECM PT 2 – Electronic Control Module Powertrain 2 |
| F16 | – |
| F17 | – |
| F18 | RVC |
| F19 | ECM BATT – Electronic Control Module Battery |
| F20 | AUX WATER PUMP –Auxiliary Water Pump |
| F21 | PEPS |
| F24 | HTD/SEAT 1 |
| F25 | HTD/SEAT 2 |
| F28 | CAC SHUTTER |
| F29 | – |
| F31 | FTZM – Fuel Tank Zone Module |
| F32 | TCM BATT – Traction Control Module Battery |
| F34 | ESCL RUN/CRANK – Electric Steering Column Lock Run/Crank |
| F35 | – |
| F36 | – |
| F37 | ECM TCM RUN/CRANK –Electronic Control Module Traction Control Module Run/Crank |
| F40 | – |
| F41 | HDLP LEVELING –Headlight Leveling |
| F42 | CLUSTER |
| F44 | WASH PUMP |
| F45 | – |
| F46 | – |
| F47 | CNSTR VENT SOL – Canister Vent Solenoid |
| F48 | – |
| F49 | REAR WIPER PARK |
| F50 | – |
| F51 | – |
| F52 | – |
| F53 | VENT SEAT |
| F54 | – |
| F55 | – |
| F56 | ISRVM/RLAD – Inside Rear View Mirror/Reflective LED Alert Display |
| F57 | – |
| F58 | REAR WIPER |
| F59 | – |
| F62 | LUMBAR |
| F03 | STARTER SOL |
| F04 | – |
| F05 | RR DEFOG |
| F07 | COOLING FAN MID |
| F09 | – |
| F22 | FRONT WIPER |
| M case Fuses | Usage |
| F23 | – |
| F26 | COOLING FAN LOW |
| F27 | – |
| F30 | – |
| F33 | – |
| F38 | EBCM 2 – Electronic Brake Control Module 2 |
| F39 | COOLING FAN HIGH |
| F43 | – |
| F60 | POWER WINDOW LT |
| F61 | POWER WINDOW RT |
| Mini Relays | Usage |
| K04 | COOLING FAN HIGH RELAY |
| Micro Relays | Usage |
| K01 | STARTER SOL RELAY |
| K02 | – |
| K03 | POWERTRAIN RELAY |
Instrument Panel Fuse Block
The instrument panel fuse block is on the underside of the driver-side instrument panel. To access the fuses, remove the storage compartment. To remove the storage compartment, open the compartment and pull it out.
The vehicle may not be equipped with all of the fuses, relays, and features shown.
| Fuse | Usage |
| F01 | ONSTAR for NA market |
| F02 | Sunshade Motor |
| F03 | Body Control Module 3 |
| F04 | Body Control Module 7 |
| F05 | Body Control Module 6 |
| F06 | HVAC Module 1 |
| F07 | CGM – Central Gateway Module |
| F08 | HSWM – Heated Steering Wheel Module |
| F09 | Virtual Cockpit Display/Instrument Panel Display/HVAC Display |
| F10 | Radio/Virtual Cockpit Unit Module |
| F11 | ONSTAR for Non NA market |
| F12 | Side Blind Zone Alert Module/Camera Module/Ultrasonic Park Assist Module |
| F13 | HVAC Module IGN |
| F14 | Wireless Charger Module/Remote Electronic PRNDL Display |
| F15 | BCM 2 – Body Control Module 2 |
| F16 | BCM 1 – Body Control Module 1 |
| F17 | Steering Wheel Controls Backlighting |
| F18 | – |
| F19 | – |
| F20 | Steering Wheel Controls Switch |
| F21 | BCM 5 – Body Control Module 5 |
| F22 | DLC – Data Link Connector |
| F23 | SDM – Sensing Diagnostic Module |
| F24 | – |
| F24 | Discrete Logic Ignition Switch |
| F25 | PTM 1 – Power Tailgate Module 1 |
| F26 | Logistic |
| F27 | – |
| F28 | BCM 8 – Body Control Module 8 |
| F29 | DC to DC Converter 2 |
| F30 | PTM 2 – Power Tailgate Module 2 (Motor) |
| F31 | OSRVM/ETC/Rain Light Humidity Sensor/Humidity Sensor |
| F32 | Headlight Low Beam Light LEFT |
| F33 | BCM 4 – Body Control Module 4 |
| F34 | Headlight Low Beam Light RIGHT |
| F35 | – |
| F36 | – |
| F37 | Seat Position Switch DRIVER |
| F38 | DC to DC Converter 1 |
| F39 | ACC/RAP Relay/RUN Relay |
| F40 | Blower Motor Control Module |
| F41 | Auxiliary Audio/Video Jack/FRT USB |
| F42 | Auxiliary RR USB Power Outlet |
| F43 | – |
| F44 | – |
| Circuit Breaker | Usage |
| CB1 | Auxiliary DC Power Outlet |
| Relay | Usage |
| K01 | ACC/RAP Relay |
| K02 | RUN Relay |
| K03 | Logistics Relay |
| K04 | – |
| K05 | – |
| Spare Fuses | Usage |
| S | SPARE |
How to Replace the Fuses of the 2026 Buick Envista
To replace the fuses in a 2026 Buick Envista, follow these steps:
Materials:
- The new fuse of the correct amperage.
- Fuse puller or needle-nose pliers.
Locate the Fuse Boxes:
- Engine Compartment Fuse Box: Typically found near the battery or on the side of the engine bay under a protective cover.
- Interior Fuse Box: Often located under the dashboard on the driver’s side or near the glove box.
Turn Off the Car:
- Ensure the vehicle is turned off and the key is removed from the ignition to avoid any electrical issues.
Access the Fuse Box:
- Open the cover of the fuse box. It usually requires pulling or releasing clips.
Identify the Fuse to Replace:
- Fuses are usually colour-coded and labelled by their amperage rating (e.g., 10A, 15A).
Remove the Fuse:
- Use the fuse puller (if provided) or a pair of needle-nose pliers to carefully pull the fuse out.
Check the Fuse:
- Inspect the fuse to see if the metal filament inside is broken or burned. If it is, the fuse is blown and needs to be replaced.
Replace with the Same Amperage:
- Insert a new fuse of the same amperage rating. Do not replace it with a higher-rated fuse, as this could cause electrical damage or fire.
Close the Fuse Box:
- Once the new fuse is securely in place, close the fuse box cover.
Test the System:
- Start the car and test the electrical component that was malfunctioning to ensure the new fuse has resolved the issue.
Tips:
- Always replace fuses with one of the same amperage to prevent electrical issues.
Useful Links:
2024 Buick Envista Specs, Price, Features, Mileage and Review
2026 Buick Envista Cluster Display & Dashboard Warning Indicators User Guide