Buick Encore (2018) – fuse box diagram
Year of production: 2018
Engine Compartment Fuse Block
| Mini Fuses | Usage |
| 1 | Sunroof |
| 2 | Exterior rearview mirror switch/Driver side power window/ Rain sensor/ Universal garage door opener |
| 3 | Canister vent solenoid |
| 4 | — |
| 5 | Electronic brake control module valve |
| 6 | Intelligent battery sensor |
| 7 | Electric steering column lock |
| 8 | Transmission control module/FICM |
| 9 | Automatic occupancy sensing module |
| 10 | Headlamp leveling switch/Headlamp leveling motor/Rear vision camera/ Interior rearview mirror |
| 11 | Rear wiper |
| 12 | Rear window defogger |
| 13 | Power lumbar switch |
| 14 | Exterior rearview mirror heater |
| 15 | Fuel system control module battery |
| 16 | Heated seat module/ Memory module |
| 17 | TIM DC DC converter/Fuel system control module RC/ Compass module |
| 18 | Engine control module RC/ Transmission control module RC/ FICM RC |
| 19 | Fuel pump |
| 20 | — |
| 21 | Fan relay (auxiliary BEC) |
| 22 | — |
| 23 | Ignition coil/ Injector coil |
| 24 | Washer pump |
| 25 | Automatic |
| 26 | EMS Var 1 |
| 27 | –/Auxiliary heater pump |
| 28 | –/Engine control module powertrain/ Ignition 3 |
| 29 | Engine control module powertrain/ Ignition 1/Ignition 2 |
| 30 | EMS Var 2 |
| 31 | Left high-beam headlamp |
| 32 | Right high-beam headlamp |
| 33 | Engine control module battery |
| 34 | Horn |
| 35 | A/C clutch |
| 36 | Front fog lamps |
| J-Case Fuses | Usage |
| 1 | Electronic brake control module pump |
| 2 | Front wipe |
| 3 | Linear power module blower |
| 4 | IEC RC |
| 5 | — |
| 7 | –/Starter solenoid |
| 8 | Cooling fan low – mid |
| 9 | Cooling fan – high |
| 10 | EVP |
| 11 | Starter solenoid/ Starter pinion |
| U-Micro Relays | Usage |
| 2 | Fuel pump |
| 4 | –/Auxiliary heater pump |
| HC-Micro Relays | Usage |
| 7 | Starter/Starter pinion |
| 10 | Starter solenoid |
| Mini Relays | Usage |
| 1 | Run/Crank |
| 3 | Cooling fan – mid |
| 5 | Powertrain relay |
| 8 | Cooling fan – low |
| HC-Mini Relays | Usage |
| 6 | Cooling fan – high |
Auxiliary Fuse Block
| Relays | Usage |
| RLY01 | Electric vacuum pump |
| RLY02 | Cooling fan control 1 |
| RLY03 | Cooling fan control 2 |
| RLY04 | N/A |
Instrument Panel Fuse Block
The instrument panel fuse block is on the underside of the driver side instrument panel.
| Fuses | Usage |
| F1 | Body control module 1 |
| F2 | Body control module 2 |
| F3 | Body control module 3 |
| F4 | Body control module 4 |
| F5 | Body control module 5 |
| F6 | Body control module 6 |
| F7 | Body control module 7 |
| F8 | Body control module 8 |
| F9 | Discrete logic ignition switch |
| F10 | Sensing diagnostic module battery |
| F11 | Data link connector |
| F12 | HVAC module/ICS |
| F13 | Liftgate relay |
| F14 | Central gate moduleF15 |
| F15 | Lane departure warning/GENTEX |
| F16 | Adaptive forward lighting module |
| F17 | Electrical steering column lock |
| F18 | Parking assist module/Side blind zone alert |
| F19 | Body control module/Regulated voltage control |
| F20 | Clock spring |
| F21 | A/C/Accessory power outlet/PRNDL |
| F22 | Auxiliary power outlet/DC center |
| F23 | HVAC module/ICS |
| F24 | — |
| F25 | OnStar module/ Eraglonass |
| F26 | Heated steering wheel |
| F27 | Instrument panel cluster/Auxiliary heater/Auxiliary virtual image display |
| F28 | Trailer feed 2 |
| F29 | Infotainment system |
| F30 | DC/DC 400W |
| F31 | Instrument panel cluster module battery |
| F32 | Silver box audio module/Navigation |
| F33 | Trailer feed 1 |
| F34 | Passive entry/ Passive start |
| Midi Fuses | Usage |
| M01 | Positive temperature coefficient |
| S/B Fuses | Usage |
| S/B01 | Passenger power seat |
| S/B02 | — |
| S/B03 | Front power windows |
| S/B04 | Rear power windows |
| S/B05 | Logistic mode relay |
| S/B06 | Driver power seat |
| S/B07 | — |
| S/B08 | Trailer interface module |
| Circuit Breaker | Usage |
| CB1 | — |
| Relay | Usage |
| RLY01 | Accessory/Retained accessory power |
| RLY02 | Liftgate |
| RLY03 | — |
| RLY04 | — |
| RLY05 | Logistic mode |
Rear Compartment Fuse Block
The rear compartment fuse block is behind a cover on the driver side of the rear compartment.
| Fuses | Usage |
| F1 | Amplifier audio |
| F2 | Rear drive control module |
| F3 | — |
| F4 | — |
| F5 | — |
| F6 | — |
| F7 | — |
| F8 | — |
| F9 | — |
| F10 | — |
| F11 | — |
| F12 | — |
| F13 | — |
| F14 | — |
| F15 | — |
| F16 | — |
| F17 | — |
| S/B Fuses | Usage |
| S/B01 | DC-DC transformer 400W |
| S/B02 | DC-DC transformer 400W |
| S/B03 | DC/AC inverter module |
| S/B04 | — |
| S/B05 | — |
| Relays | Usage |
| RLY01 | — |
| RLY02 | — |
| RLY03 | — |
| RLY04 | — |
| RLY05 | — |
| Circuit Breaker | Usage |
| CB1 | — |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.