Buick Enclave (2018 – 2021) – fuse and relay box diagram
Year of production: 2018, 2019, 2020, 2021
The Buick Enclave from model years 2018 to 2021 is part of the second generation of this midsize luxury SUV, which saw a significant redesign in 2018.
Passenger compartment
Fuse Box Location
Fuse Box Diagram
Assignment of the fuses in the passenger compartment
| № | Description |
|---|---|
| F1 | Body control module 6 |
| F2 | Diagnostic link |
| F3 | Electric steering column lock |
| F4 | Rear USB port |
| F5 | 2021: Rear sunshade / Park/Reverse/Neutral/Drive/Low |
| F6 | Heating, ventilation, and air conditioning |
| F7 | Body control module 3 |
| F8 | 2021: Adaptive front lighting system |
| F9 | Right front heated seat |
| F10 | Airbag |
| F11 | 2018-2020: Electronic precision shift |
| F12 | Amplifier |
| F13 | Body control module 7 |
| F14 | Left front heated seat |
| F15 | Not Used |
| F16 | Sunroof |
| F17 | Communication gateway module |
| F18 | 2018-2020: Instrument cluster 2021: Instrument cluster / Head-up display |
| F19 | Body control module 1 |
| F20 | Wireless charger module |
| F21 | Body control module 4 |
| F22 | Infotainment |
| F23 | Body control module 2 |
| F24 | 2021: Park/Reverse/Neutral/Drive/Low |
| F25 | 2018-2020: Park assist 2021: Park assist/Shifter interface board |
| F26 | Communications integration module |
| F27 | Video |
| F28 | Radio/Heating, ventilation, and air conditioning display |
| F29 | Radio |
| F30 | Steering wheel controls |
| F31 | Front blower |
| F32 | DC AC inverter |
| F33 | Driver power seat |
| F34 | Passenger power seat |
| F35 | Feed/Body control module 4 |
| F36 | Electric power steering |
| F37 | Power outlet/ Wireless charger/ Accessory |
| F38 | Body control module 8 |
| F39 | Steering wheel controls backlighting |
| F40 | Not Used (Circuit Breaker) |
| F41 | Not Used (Circuit Breaker) |
| F42 | Auxiliary power outlet / Lighter |
Engine compartment
Fuse Box Location
Fuse Box Diagram
Assignment of the fuses in the engine compartment
| № | Description |
|---|---|
| F1 | Antilock brake system pump |
| F2 | Starter 1 |
| F3 | DC DC transformer 1 |
| F4 | Not Used |
| F5 | DC DC transformer 2 |
| F6 | Not Used |
| F7 | Not Used |
| F8 | Not Used |
| F9 | Vacuum pump |
| F10 | Front wiper |
| F11 | Not Used |
| F12 | Not Used |
| F13 | Starter 2 |
| F14 | Not Used |
| F15 | Rear wiper |
| F20 | Not Used |
| F21 | Not Used |
| F22 | Electronic brake control module |
| F23 | Parking/Trailer lamps |
| F24 | Right trailer stoplamp/Turn signal lamp |
| F25 | Steering column lock |
| F26 | Not Used |
| F27 | Left trailer stoplamp/Turn signal lamp |
| F28 | Not Used |
| F29 | Not Used |
| F30 | Washer pump |
| F31 | Not Used |
| F32 | Left low-beam headlamp |
| F33 | Front fog lamps |
| F34 | Horn |
| F35 | Not Used |
| F36 | Not Used |
| F37 | Right low-beam headlamp |
| F38 | Automatic headlamp leveling motor |
| F39 | Transmission control module |
| F40 | Left rear bus electrical center/ Ignition |
| F41 | Instrument cluster |
| F42 | Heating, ventilation, and air conditioning |
| F43 | 2018-2020: Head-up display 2021: Head-up display/ Reflective light auxiliary display |
| F44 | Communication gateway module/ Run/Crank |
| F45 | Not Used |
| F46 | Not Used |
| F47 | Not Used |
| F48 | Not Used |
| F49 | Interior rearview mirror |
| F50 | 2018-2020: Fuel system control module 2021: Fuel system control module / Shifter interface board / Run/Crank |
| F51 | Heated steering wheel |
| F52 | Folding seats switch |
| F53 | 2021: Coolant pump |
| F54 | 2018-2020: Coolant pump |
| F55 | Air conditioning clutch |
| F56 | 2018-2020: Integrated chassis control module |
| F57 | Engine control module/lgnition |
| F58 | Transmission control module/ Ignition |
| F59 | Engine control module battery |
| F60 | Engine control module-even |
| F61 | O2 sensor 1/MAF |
| F62 | Not Used |
| F63 | O2 sensor 2/ Canister/Engine oil/ Turbo |
| F64 | Aeroshutter |
| F65 | Engine control module powertrain 1 |
| F66 | Engine control module powertrain 2 |
| F67 | Engine control module-odd |
| F68 | Not Used |
| F69 | Not Used |
| F70 | Not Used |
| F71 | Not Used |
| F72 | Not Used |
| F73 | Not Used |
| F74 | Not Used |
| F75 | Not Used |
| F76 | Not Used |
| F77 | Not Used |
| Relays | |
| K1 | Starter 1 |
| K2 | Run/Crank |
| K3 | Vacuum pump |
| K4 | Not Used |
| K5 | Air conditioning |
| K6 | 2018-2020: Coolant pump |
| K7 | Engine control module |
| K8 | Folding seats |
| K9 | Not Used |
| K10 | Starter 2 |
Luggage compartment
Fuse Box Location
Fuse Box Diagram
Assignment of the fuses in the luggage compartment
| № | Description |
|---|---|
| F1 | Not Used |
| F2 | Trailer |
| F3 | Folding seats |
| F4 | Rear blower |
| F5 | Rear drive control |
| F6 | Not Used |
| F7 | Right window |
| F8 | Rear defogger |
| F9 | Left window |
| F10 | Not Used |
| F11 | Trailer reverse |
| F12 | USB port/Third row seats |
| F13 | Not Used |
| F14 | Not Used |
| F15 | Not Used |
| F16 | Not Used |
| F17 | Camera |
| F18 | Not Used |
| F19 | 2018-2019: Ventilated seats 2020-2021: Ventilated seats / Massage |
| F24 | Lumbar |
| F25 | Not Used |
| F26 | Trailer brake lamps |
| F27 | 2018-2019: Not Used 2020-2021: Massage |
| F28 | Passive entry/ Passive start |
| F29 | Not Used |
| F30 | Canister vent |
| F31 | Not Used |
| F32 | Heated mirrors |
| F33 | USB port/Second row seats |
| F34 | Liftgate module |
| F35 | 2018-2020: Fuel system control module 2021: Fuel system control module / Fuel tank zone module. |
| F36 | Not Used |
| F37 | Not Used |
| F38 | Window module |
| F39 | Rear closure |
| F40 | Memory seat module |
| F41 | Automatic occupancy sensor |
| F42 | Not Used |
| F43 | Not Used |
| F44 | Not Used |
| F45 | Liftgate motor |
| F46 | Rear heated seats |
| F47 | Not Used |
| F48 | Not Used |
| F49 | Not Used |
| F50 | Not Used |
| F51 | Not Used |
| F52 | Semi-active dampening system module |
| F53 | Not Used |
| F54 | External object calculating remote system/Side blind zone alert |
| F56 | Universal remote system/Overhead console |
| F57 | Hands free closure release |
| CB1 | Not Used (Circuit Breaker) |
| CB2 | Not Used (Circuit Breaker) |
| CB3 | Rear auxiliary power outlet (Circuit Breaker) |
| Relays | |
| K1 | Not Used |
| K2 | Not Used |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.