The Buick Verano, manufactured between 2014 and 2015, represents a blend of luxury, comfort, and performance in the compact sedan category. This model year of the Verano is equipped with various sophisticated electrical components, including the fuse box and relay. These components play a critical role in the vehicle’s electrical system, controlling functions such as the lighting, climate control, and infotainment systems.
Understanding the fuse box and relay of the Buick Verano 2014-2015 is essential for maintaining and troubleshooting these electrical systems. The fuse box houses fuses that protect electrical circuits from overloads, while the relays act as switches that control the flow of electricity to specific components. Proper maintenance and periodic inspection of these components can prevent electrical issues and ensure the vehicle operates smoothly.
In addition to the fuse box and relay, the Buick Verano 2014-2015 incorporates advanced technologies aimed at enhancing driver and passenger convenience and safety. These may include features like keyless entry, navigation systems, and advanced driver assistance systems (ADAS). The integration of these components underscores Buick’s commitment to providing a refined driving experience.
(2014-2015) Buick Verano fuse box and relay with Diagram
WARNING
Never replace a fuse with one that has a higher amperage rating.
A fuse with a too-high amperage could damage the electrical part and cause a fire.
On no account should fuses be repaired (e.g. patched up with tin foil or wire) as this may cause serious damage elsewhere in the electrical circuit or cause a fire.
If a fuse blows repeatedly, do not keep replacing it. Instead, have the cause for the repeated short circuit or overload tracked and fixed.
Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
Buick Verano 2014-2015 fuse assignment
Engine Compartment Fuse Box
Mini Fuses
Amps
Usage
1
20A
Engine control module
2
7,5A
O2 sensor/ Purge solenoid
3
15A
Ignition coils/ Injectors
4
15A
Spare
5
—
Empty
6a
—
Empty
6b
7,5A
Mirror defogger
7
5A
Powertrain cooling
8
7,5A
Mass airflow sensor/Pre – O2 sensor
9
—
Empty
10
5A
Battery potential signal
11
7,5A
Spare
12
—
Empty
13
25A
Antilock Brake System Valves
14
—
Empty
15
10A
Engine control module
17
10A
Transmission control module
22
—
Empty
24
15A
Right high-beam headlamp
25
15A
Left high-beam headlamp
26
15A
Front fog lamps
31
—
Empty
32
5A
Airbag
33
—
Empty
34
7,5A
Spare
35
7,5A
Air Conditioning Compressor Clutch
37
10A
Canister vent
38
—
Empty
39
20A
Fuel system control module
40
10A
Front windshield washer
41
—
Empty
46
—
Empty
47
15A
Horn
49
20A
Fuel pump
50
—
Empty
51
7,5A
Interior rearview mirror
52
—
Empty
53
7,5A
Ignition Engine Control Module/ Transmission Control Module
54
7,5A
Instrument Cluster/Fuel System Control Module/ Heater, Ventilation, and Air Conditioning Run/Crank
J-Case
Amps
Usage
16
30A
Starter Control
18
30A
Rear Window Defogger
19
30A
Front Power Window
20
30A
Rear Power Window
21
40A
Rear Electrical Center
23
—
Empty
27
50A
Spare
28
—
Empty
29
30A
Electric Parking Brake
30
60A
Antilock Brake System Pump
42
40A
Engine Cooling Fan (RPO LEA)
43
30A
Front Wipers
44
—
Empty
45
30A
Engine Cooling Fan (RPO LEA)
48
60A
Engine Cooling Fan
Relays
Usage
1
Empty
2
Starter
3
Engine control powertrain
4
Rear window defogger
5
Empty
6
High-beam headlamps
7
Spare
8
Empty
9
Spare
10
EGR/Coolant pump/ AIR solenoid valve
11
Engine cooling fan (RPO LEA)
12
Engine cooling fan (RPO LEA)
13
Engine cooling fan (RPO LEA)
14
Run/Crank
Instrument Panel Fuse box
Fuses
Amps
Usage
1
2A
Steering wheel controls
2
20A
Body control module
3
20A
Body control module
4
20A
Infotainment system
5
10A
Information display/Parking assist
6
20A
Cigar lighter
7
20A
Power outlet
8
30A
Body control module
9
30A
Body control module
10
30A
Body control module
11
40A
Interior fan
12
25A
Driver power seat
13
—
Not Used
14
7,5A
Diagnostic connector
15
10A
Airbag
16
10A
Central locking system/ Tailgate
17
10A
Air Conditioning System
18
30A
Infotainment system
19
30A
Body control module
20
5A
Passenger power seat
21
5,5A
Instrument cluster
22
2/5A
Ignition/ Electronic key system
23
20A
Body control module
24
20A
Body control module
25
—
Not Used
26
—
Not Used
Relays
Usage
1
Trunk open
2
Door security
3
Power outlet
Rear Compartment Fuse Box
The rear compartment fuse box, if equipped, is on the left side of the trunk behind a cover.
Fuses
Amps
Usage
F02
—
Empty
F03
5A
Rear parking assist
F04
—
Empty
F05
—
Empty
F06
—
Empty
F07
10A
Spare
F08
—
Empty
F09
—
Empty
F10
—
Empty
F11
—
Empty
F12
—
Empty
F13
—
Empty
F14
—
Empty
F15
—
Empty
F16
5A
Rear vision camera
F17
—
Empty
F18
—
Empty
F19
7,5A
Heated steering wheel
F20
25A
Sunroof
F21
25A
Heated seats
F22
—
Empty
F24
—
Empty
F25
5A
Side blind zone alert
F26
30A
Spare
F27
30A
Passive entry/ Passive start
F28
—
Empty
F30
—
Empty
F31
30A
Amplifier
F32
—
Empty
J-Case Fuses
Amp
Usage
F01
—
Empty
F05
—
Empty
F12
—
Empty
F23
—
Empty
F27
30A
Passive Entry
F29
—
Empty
Relays
Usage
R01
Run/Crank
R02
Run
R03
Empty
R04
Empty
R05
Empty
Conclusion
The Buick Verano 2014-2015 stands out in the compact luxury sedan segment for its combination of style, comfort, and advanced technology. Understanding the intricacies of its electrical components, including the fuse box and relay system, is essential for maintaining the vehicle’s reliability and performance. With proper care and maintenance, the Buick Verano continues to offer a refined driving experience that exceeds expectations in both form and function.