Table of Contents
This material discusses in detail the fuse diagrams of the Buick Regal (sixth generation): 2018, 2019, 2020, 2021, 2022 release.
Fuses #43, #44 and #37 in the interior fuse box are responsible for the cigarette lighter and 12V power sockets.
In the engine compartment
Located on the driver's side.
General view of the fuse box.
| Diagram | |
|---|---|
|
|
| No. | Description |
| Relays | |
| R4 | Empty |
| R20 | Rear window defogger |
| R25 | Front wiper control |
| R31 | Run/Crank |
| R37 | Front wiper speed |
| R42 | Empty |
| R64 | Starter motor |
| R66 | Powertrain |
| R71 | Right LED high beam |
| R73 | AC clutch |
| R80 | Starter pinion |
| R90 | Water change air coolant pump |
| R94 | Empty |
| R98 | Fuel heater |
| Fuses | |
| 1 | Empty |
| 2 | Empty |
| 3 | ABS pump |
| 5 | Empty |
| 6 | Rear closure |
| 7 | Fog lamp |
| 8 | Memory control module |
| 9 | Heated windshield |
| 10 | Seat lumbar |
| 11 | DC DC converter 1 |
| 12 | Rear window defogger |
| 13 | Heated mirrors |
| 14 | Empty |
| 15 | Empty |
| 16 | Front wipers |
| 17 | Passenger power seat |
| 18 | Sun shade |
| 19 | Driver power seat |
| 21 | Moonroof |
| 22 | Rear wiper |
| 23 | Auto headlamp leveling |
| 24 | Empty |
| 26 | Transmission control module (TCM)/Ignition |
| 27 | Instrument panel/Ignition |
| 28 | Empty |
| 29 | Rear vision camera/Ventilation |
| 30 | Malfunction indicator lamp/Shift solenoid |
| 32 | Canister vent/Video processing module |
| 33 | heated seats (front) |
| 34 | heated seats (rear) |
| 35 | All wheel drive damping control unit |
| 36 | Buick Regal Fuel Pump Fuse |
| 38 | Empty |
| 39 | Empty |
| 40 | Steering column lock |
| 41 | Empty |
| 43 | steering wheel heater |
| 44 | Headlamp leveling control unit |
| 45 | Empty |
| 46 | Engine control module (ECM) / Ignition |
| 47 | Empty |
| 48 | Cooling fan/DC DC converter 2 |
| 49 | RDCM |
| 50 | Empty |
| 51 | Empty |
| 52 | Empty |
| 53 | Empty |
| 54 | Empty |
| 55 | Empty |
| 56 | Starter |
| 57 | Empty |
| 58 | Empty |
| 59 | Left LED lamps |
| 60 | Cooling fan |
| 61 | Empty |
| 62 | Empty |
| 63 | Empty |
| 65 | A/C HEV |
| 67 | Empty |
| 68 | Empty |
| 69 | Right LED lamp/Right high-beam headlamps |
| 70 | Left high-beam headlamps |
| 72 | Starter pinion |
| 74 | Empty |
| 75 | Engine control module (ECM) |
| 76 | Powertrain - off engine |
| 77 | Empty |
| 78 | Horn |
| 79 | Washer pump control unit |
| 81 | Transmission control module (TCM) / Engine control module (ECM) |
| 82 | Empty |
| 83 | Ignition coils |
| 84 | Coil |
| 85 | 60A Shunt |
| 86 | Empty |
| 87 | SAI fuel heater Unit |
| 88 | Aeroshutter Unit |
| 89 | Empty |
| 91 | Empty |
| 92 | TPIM motor generator/TPIM |
| 93 | Keyless entry control system |
| 95 | Water change air coolant pump |
| 96 | Fuel heater |
| 97 | Empty |
| 99 | Empty |
In the passenger compartment
Fuse box located in the instrument panel, on the driver's side.
Access example.
| Diagram | |
|---|---|
|
|
| Relays | |
| K1 | Empty |
| K2 | Accessory power relay |
| K3 | Empty |
| K4 | Empty |
| K5 | Logistics Control Relay |
| Fuses | |
| F1 | Window (Left) |
| F2 | Window (Right) |
| F3 | Empty |
| F4 | HVAC blower |
| F5 | Battery #2 |
| F6 | Electric steering column |
| F7 | Empty |
| F8 | Battery #3 |
| F9 | Engine control module (ECM) / Battery |
| F10 | BCM #2 On/Off |
| F11 | Empty |
| F12 | Empty |
| F13 | Empty |
| F14 | Empty |
| F15 | Transmission control module (TCM) On/Off |
| F16 | Audio Amp |
| F17 | Empty |
| F18 | Battery #7 |
| F19 | Empty |
| F20 | Battery #1 |
| F21 | Battery #4 |
| F22 | Battery #6 |
| F23 | Electric steering column lock |
| F24 | Airbag sensing diagnostic unir/Passenger sensing module |
| F25 | Diagnostic link |
| F26 | Empty |
| F27 | AC/DC inverter |
| F28 | Empty |
| F29 | BCM #8 |
| F30 | Overhead console |
| F31 | Steering wheel control unit |
| F32 | Empty |
| F33 | HVAC |
| F34 | Center gateway control unit |
| F35 | Integrated chassis control unit |
| F36 | Charger |
| F37 |
|
| F38 | OnStar system |
| F39 | Monitor |
| F40 | Object detection system |
| F41 | BCM 1 On/Off |
| F42 | Radio |
| F43 | 12V accessory power socket (Rear) / Cigar lighter |
| F44 | 12V accessory power socket (Front) / Cigarette lighter fuse |
