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Buick Encore (2018) - fuse box diagram

avatar Jonathan Yarden Jan 30, 2021 · 5 min. read

In this article you will find a description of fuses and relays Buick, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.

Year of production: 2018

Engine Compartment Fuse Block

Buick Encore - fuse box - engine compartment

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

Buick Encore - fuse box - 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.

Buick Encore - fuse box - 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.

Buick Encore - fuse box diagram - 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.

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