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.
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