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Buick Cascada (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 Cascada - fuse box - engine compartment

Fuses Usage
1 Engine control module
2 O2 sensor
3 Fuel injection/ Ignition system
4 Fuel injection/ Ignition system
5 β€”
6 Heated mirrors
7 Fan control
8 O2 sensor/ Powertrain cooling
9 Rear window sensor
10 Vehicle battery sensor
11 Trunk release
12 Adaptive headlamps/ Automatic headlamp leveling
13 ABS valves
14 β€”
15 Engine control module
16 Starter
17 Transmission control module
18 Rear window defogger
19 Front power window
20 Rear power window
21 Rear electrical center
22 β€”
23 β€”
24 Right high-beam headlamp
25 Left high-beam headlamp
26 Front fog lamps
27 β€”
28 β€”
29 Electric parking brake
30 ABS pump
31 β€”
32 Airbag
33 Adaptive forward lighting/Automatic headlamp leveling
34 Exhaust gas recirculation
35 Power windows/Rain sensor/Exterior mirror
36 Climate control
37 β€”
38 Vacuum pump
39 Fuel system control module
40 Front windshield washer
41 β€”
42 Engine cooling fan
43 Windshield wipers
44 β€”
45 Engine cooling fan
46 β€”
47 Horn
48 Engine cooling fan
49 Fuel pump
50 Headlamp leveling/ Adaptive forward lighting
51 β€”
52 β€”
53 Transmission control module/Engine control module
54 Vacuum pump/ Instrument panel cluster/HVAC

Instrument Panel Fuse Block

The instrument panel fuse block is on the driver side of the instrument panel.

Buick Cascada - fuse box - instrument panel

Fuses Usage
1 Displays
2 Body control module/Exterior lamps
3 Body control module/Exterior lamps
4 Infotainment system
5 Infotainment system/ InstrumentΒ cluster
6 Power outlet
7 Power outlet
8 Body control module/Left low-beam headlamp
9 Body control module/Right low-beam headlamp
10 Body control module/Door locks
11 Interior fan
12 Driver power seat
13 Passenger power seat
14 Diagnostic connector
15 Airbag
17 A/C system
18 Service diagnose
19 Body control module/Brake lamps/Reverse lamps/Interior lamps
20 β€”
21 Instrument panel
22 Ignition
23 Body control module
24 Body control module
25 β€”
26 Trunk power outlet accessory
Relays Usage
16 Trunk lid relay

Rear Compartment Fuse Block

The rear compartment fuse block, if equipped, is on the left side of the trunk behind a cover.

Buick Cascada - fuse box - rear compartment

Fuses Usage
1 Convertible control module/Right power rail
2 β€”
3 Rear parking assist
4 Selective catalytic reduction system
5 β€”
6 β€”
7 Power seats
8 Convertible control module
9 Selective catalytic reduction system
10 Selective catalytic reduction system
11 Tire pressure monitor/Rear vision camera
12 Convertible control module/Reverse lamps
13 β€”
14 Rear seat electrical folding
15 β€”
16 Rear vision camera/ Convertible control module
17 β€”
18 β€”
19 Heated steering whee
20 β€”
21 Heated seats
22 β€”
23 Convertible control module/Left power rail
24 Selective catalytic reduction system
25 β€”
26 Non-logistic mode
27 Passive entry/ Passive start
28 β€”
29 Hydraulic unit
30 β€”
31 β€”
32 β€”

WARNING:Β Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

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