In this article, we consider the third generation Buick LaCrosse, produced from 2017 to the present. Here you will find fuse box diagrams of Buick LaCrosse 2017, 2018 and 2019, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.
Fuse Layout Buick LaCrosse 2017-2019..
Contents
Cigar lighter / power outlet fuses in the Buick LaCrosse are the fuses №F37 (Auxiliary power outlet/Cigar lighter), №43 (Rear accessory power outlet) and №44 (Front accessory power outlet) in the Passenger compartment fuse box.
Table of Contents
Passenger compartment fuse box
Fuse Box Location
It is located in the instrument panel, behind the cover.
Fuse box diagram (2017, 2018)
Assignment of the fuses and relays in the Passenger compartment (2017, 2018)
| № | Description |
|---|---|
| F1 | Left window |
| F2 | Right window |
| F3 | Not used |
| F4 | HVAC blower |
| F5 | Battery 2 |
| F6 | Electric steering column |
| F7 | Not used |
| F8 | Battery 3 |
| F9 | Engine control module/Battery |
| F10 | Body control module 2 On/Off |
| F11 | Not used |
| F12 | Not used |
| F13 | Not used |
| F14 | Not used |
| F15 | Transmission control module On/Off |
| F16 | Amplifier |
| F17 | Not used |
| F18 | Battery 7 |
| F19 | Not used |
| F20 | Battery 1 |
| F21 | Battery 4 |
| F22 | Battery 6 |
| F23 | Electric steering column lock |
| F24 | 2017: Sensing and diagnostic module
2018: Airbag sensing diagnostic module/ Passenger sensing module |
| F25 | Diagnostic link |
| F26 | Not used |
| F27 | AC DC inverter |
| F28 | Not used |
| F29 | Body control module 8 |
| F30 | Overhead console |
| F31 | Steering wheel control |
| F32 | Not used |
| F33 | HVAC |
| F34 | Center gateway module |
| F35 | Integrated chassis control module |
| F36 | Charger |
| F37 | Auxiliary power outlet/Cigar lighter |
| F38 | OnStar |
| F39 | Monitor |
| F40 | Object detection |
| F41 | Body control module 1 On/Off |
| F42 | Radio |
| F43 | 2017: Circuit breaker 1
2018: Rear accessory power outlet |
| F44 | 2017: Circuit breaker 2
2018: Front accessory power outlet |
| Relays | |
| K1 | Not used |
| K2 | Retained accessory power |
| K3 | Not used |
| K4 | Not used |
| K5 | Logistics |
Fuse Box in the engine compartment
Fuse Box Location
Fuse box diagram (2017, 2018)
Assignment of the fuses and relays in the Engine compartment (2017, 2018)
| № | Description |
|---|---|
| 1 | Not used |
| 2 | Not used |
| 3 | ABS pump |
| 5 | AC DC inverter |
| 6 | Rear closure |
| 7 | Left corner lamp |
| 8 | Power windows/ Rearview mirror/ Power seats |
| 9 | Engine boost |
| 10 | 2017: Semi-active damping system
2018: Airbag sensing diagnostic module/Passenger sensing module – eAssist |
| 11 | DC DC Battery 1 |
| 12 | Rear window defogger |
| 13 | Heated mirrors |
| 14 | Not used |
| 15 | Passive entry/ Passive start |
| 16 | Front wipers |
| 17 | Passenger power seat |
| 18 | ABS valve |
| 19 | Driver power sea |
| 21 | Sunroof |
| 22 | Right corner lamp |
| 23 | Auto headlamp leveling |
| 24 | Not used |
| 26 | Transmission control module/Ignition |
| 27 | Instrument panel/ Ignition |
| 28 | Electronic precision shift/Ignition |
| 29 | Rear vision camera/ Ventilation |
| 30 | Malfunction indicator lamp/Shift solenoid |
| 32 | Canister vent solenoid |
| 33 | Front heated seats |
| 34 | 2017: Rear heated seat/ Vehicle body safety module/Energy storage system fan
2018: BSM (eAssist)/Fan control module/Damping control module (SADS) |
| 35 | Fog lamps |
| 36 | Fuel module |
| 38 | Not used |
| 39 | Not used |
| 40 | Steering columnn lock |
| 41 | Not used |
| 43 | Heated steering wheel |
| 44 | Headlamp leveling/ Rear seat ventilation |
| 45 | Not used |
| 46 | Engine control module/Ignition |
| 47 | Not used |
| 48 | Engine boost/Left cooling fan |
| 49 | DC DC battery 2/AWD |
| 50 | Not used |
| 51 | Not used |
| 52 | Not used |
| 53 | Not used |
| 54 | Not used |
| 55 | Not used |
| 56 | Not used |
| 57 | Transmission auxiliary pump |
| 58 | TRCM |
| 59 | High-beam headlamps |
| 60 | Cooling fan |
| 61 | Not used |
| 62 | Not used |
| 63 | Not used |
| 65 | A/C HEV |
| 67 | Not used |
| 68 | Not used |
| 69 | Right HID low-beam headlamps |
| 70 | Left HID low-beam headlamps |
| 72 | Starter pinion |
| 74 | Starter motor |
| 75 | Engine control module |
| 76 | Powertrain – off engine |
| 77 | Not used |
| 78 | Horn |
| 79 | Washer pump |
| 81 | Transmission control module/ Engine control module |
| 82 | Not used |
| 83 | Ignition coils |
| 84 | 2017: Powertrain – on engine
2018: Coil |
| 85 | Engine control module switch 2 |
| 86 | Engine control module switch 1 |
| 87 | SAI reaction pump |
| 88 | Aeroshutter |
| 89 | Headlamp washer |
| 91 | Not used |
| 92 | TPIM motor generator unit pump |
| 93 | Headlamp leveling |
| 95 | SAI reaction solenoid |
| 96 | Fuel heater |
| 97 | Not used |
| 99 | Coolant pump |
| Relays | |
| 4 | AC DC inverter |
| 20 | Rear defogger |
| 25 | Front wiper control |
| 31 | Run/Crank |
| 37 | Front wiper speed |
| 42 | Transmission auxiliary pump |
| 64 | A/C control |
| 66 | Powertrain |
| 71 | HID low-beam headlamps |
| 73 | Starter motor |
| 80 | Starter pinion |
| 90 | SAI reaction solenoid |
| 94 | Headlamp washer |
| 98 | SAI reaction pump |
