Buick LaCrosse 2019 Fuse Box Info
Passenger compartment fuse box location:
The instrument panel fuse box is located in the instrument panel, on the driver side of the vehicle.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
Fuse/Relay N° | Functions |
Fuses | |
1 | Left window |
2 | Right window |
3 | - |
4 | Heating ventilation & air conditioning blower motor |
5 | Body control module 2 |
6 | Electric steering column |
7 | - |
8 | Body control module 3 |
9 | Engine control module/Battery |
10 | Body control module 2 (stop/start) |
11 | - |
12 | - |
13 | - |
14 | - |
15 | Transmission control module On/Off |
16 | Amplifier |
17 | - |
18 | Body control module 7 |
19 | - |
20 | Body control module 1 |
21 | Body control module 4 |
22 | Body control module 6 |
23 | Electric steering column lock |
24 | Airbag sensing diagnostic module/ Passenger sensing module |
25 | Data link connector |
26 | - |
27 | AC DC inverter |
28 | HID headlamps |
29 | Body control module 8 |
30 | Overhead console |
31 | Steering wheel control |
32 | - |
33 | Heating, ventilation & air conditioning |
34 | Communication gateway module |
35 | Integrated chassis control module |
36 | Charger |
37 | Auxiliary power outlet/Cigar lighter |
38 | OnStar |
39 | Display |
40 | Object detection |
41 | Body control module 1 (stop/start) |
42 | Radio |
43 | Rear accessory power outlet |
44 | Front accessory power outlet |
Relays | |
K1 | - |
K2 | Retained accessory power |
K3 | - |
K4 | - |
K5 | Logistics |
Engine compartment fuse box:
Fuse/Relay N° | Functions |
Fuses | |
1 | - |
2 | - |
3 | Antilock brake system pump |
5 | - |
6 | Rear closure |
7 | Left corner lamp |
8 | Power windows/ Rearview mirror/ Power seats |
9 | Electric brake boost/ Pedestrian alert |
10 | Airbag sensing diagnostic module/ Passenger sensing module – eAssist |
11 | DC DC Battery 1 |
12 | Rear window defogger |
13 | Heated mirrors |
14 | - |
15 | Passive entry/ Passive start |
16 | Front wipers |
17 | Passenger power seat |
18 | Antilock brake system valve |
19 | Driver power seat |
21 | Sunroof |
22 | Right corner lamp |
23 | Auto headlamp leveling |
24 | - |
26 | Transmission control module/Ignition |
27 | Instrument panel/ Ignition |
28 | - |
29 | Rear vision camera/ Ventilated seats |
30 | Malfunction indicator lamp/Shift solenoid |
32 | Canister vent solenoid |
33 | Front heated seats |
34 | Battery system manager/ Fan control module/Rear drive control module/ Damping control module |
35 | Fog lamps |
36 | Fuel module |
38 | - |
39 | - |
40 | Steering columnn lock |
41 | - |
43 | Heated steering wheel |
44 | Headlamp leveling/ Rear seat ventilation |
45 | - |
46 | Engine control module/Ignition |
47 | - |
48 | Electric brake boost/ Left cooling fan |
49 | DC DC battery 2/ Rear drive control module |
50 | - |
51 | - |
52 | - |
53 | - |
54 | - |
55 | - |
56 | - |
57 | Transmission auxiliary pump |
58 | Transmission range control module |
59 | High-beam headlamps |
60 | Cooling fan |
61 | - |
62 | - |
63 | - |
65 | Air conditioning (HEV) |
67 | - |
68 | - |
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 | - |
78 | Horn |
79 | Washer pump |
81 | Transmission control module/ Engine control module |
82 | - |
83 | Ignition coil – odd |
84 | Ignition coil – even |
85 | Shunt |
86 | Shunt |
87 | - |
88 | Aeroshutter |
89 | Headlamp washer |
91 | - |
92 | Traction power inverter module/ Motor generator unit coolant motor |
93 | Headlamp leveling |
95 | - |
96 | - |
97 | - |
99 | Coolant pump |
Relays | |
4 | - |
20 | Rear defogger |
25 | Front wiper control |
31 | Run/Crank |
37 | Front wiper speed |
42 | Transmission auxiliary pump |
64 | Air conditioning control |
66 | Powertrain |
71 | HID low-beam headlamps |
73 | Starter motor |
80 | Starter pinion |
90 | - |
94 | Headlamp washer |
98 | - |