Buick Verano (2012 – 2013) – fuse box diagram
Year of production: 2012, 2013
Engine Compartment Fuse Block
| Mini Fuses | Amps | Usage |
| 1 | 20 | Engine control module |
| 2 | 10 | O2 sensor/ Purge solenoid |
| 3 | 15 | Ignition coils/ Injectors |
| 4 | 15 | Spare |
| 5 | — | Empty |
| 6a | — | Empty |
| 6b | 7,5 | Mirror defogger |
| 7 | 5 | Powertrain cooling |
| 8 | 7,5 | Mass airflow sensor/Pre – O2 sensor |
| 9 | — | Empty |
| 10 | 5 | Battery potential signal |
| 11 | 7,5 | Spare |
| 12 | — | Empty |
| 13 | 25 | Antilock Brake System Valves |
| 14 | — | Empty |
| 15 | 10 | Engine control module |
| 17 | 10 | Transmission control module |
| 22 | — | Empty |
| 24 | 15 | Right high-beam headlamp |
| 25 | 15 | Left high-beam headlamp |
| 26 | 15 | Front fog lamps |
| 31 | — | Empty |
| 32 | 5 | Airbag |
| 33 | — | Empty |
| 34 | 7,5 | Spare |
| 35 | 7,5 | Air Conditioning Compressor Clutch |
| 37 | 10 | Canister vent |
| 38 | — | Empty |
| 39 | 20 | Fuel system control module |
| 40 | 10 | Front windshield washer |
| 41 | — | Empty |
| 46 | — | Empty |
| 47 | 15 | Horn |
| 49 | 20 | Fuel pump |
| 50 | — | Empty |
| 51 | 5 | Interior rearview mirror |
| 52 | — | Empty |
| 53 | 10 | Ignition Engine Control Module/ Transmission Control Module |
| 54 | 7,5 | Instrument Cluster/Fuel System Control Module/ Heater, Ventilation, and Air Conditioning Run/Crank |
| J-Case | Amps | Usage |
| 16 | 30 | Starter Control |
| 18 | 30 | Rear Window Defogger |
| 19 | 30 | Front Power Window |
| 20 | 30 | Rear Power Window |
| 21 | 40 | Rear Electrical Center |
| 23 | — | Empty |
| 27 | 50 | Spare |
| 28 | — | Empty |
| 29 | 30 | Electric Parking Brake |
| 30 | 60 | Antilock Brake System Pump |
| 42 | 40 | Engine Cooling Fan (RPO LEA) |
| 43 | 30 | Front Wipers |
| 44 | — | Empty |
| 45 | 30 | Engine Cooling Fan (RPO LEA) |
| 48 | 60 | Engine Cooling Fan |
| Relays | Usage |
| 1 | Empty |
| 2 | Starter |
| 3 | Engine control powertrain |
| 4 | Rear window defogger |
| 5 | Empty |
| 6 | Empty |
| 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 Block
| Fuses | Amps | Usage |
| 1 | 2 | Body Control Module |
| 2 | 20 | Body control module |
| 3 | 20 | Body control module |
| 4 | 20 | Infotainment system |
| 5 | 10 | Information display/Parking assist |
| 6 | 20 | Ignition/ Electronic Key System |
| 7 | 20 | Power outlet |
| 8 | 30 | Body control module |
| 9 | 30 | Body control module |
| 10 | 30 | Body control module |
| 11 | 40 | Interior fan |
| 12 | 25 | Driver power seat |
| 13 | — | Not Used |
| 14 | 7,5 | Diagnostic connector |
| 15 | 10 | Airbag |
| 16 | 10 | Central locking system/ Tailgate |
| 17 | 10 | Air Conditioning System |
| 18 | 30 | Infotainment system |
| 19 | 30 | Body control module |
| 20 | 5 | Passenger power seat |
| 21 | 7,5 | Instrument cluster |
| 22 | 2/5 | Ignition/ Electronic key system |
| 23 | 20 | Body control module |
| 24 | 20 | Body control module |
| 25 | — | Not Used |
| 26 | — | Not Used |
| Relays | Usage |
| 1 | Trunk open |
| 2 | Door security |
| 3 | Power outlet |
Rear Compartment Fuse Block
The rear compartment fuse block, if equipped, is on the left side of the trunk behind a cover.
| Fuses | Amps | Usage |
| F02 | — | Empty |
| F03 | 5 | Rear parking assist |
| F04 | — | Empty |
| F06 | — | Empty |
| F07 | 10 | Spare |
| F08 | — | Empty |
| F09 | — | Empty |
| F10 | — | Empty |
| F11 | — | Empty |
| F12 | — | Empty |
| F13 | — | Empty |
| F14 | — | Empty |
| F15 | — | Empty |
| F16 | 5 | Rear vision camera |
| F17 | — | Empty |
| F18 | — | Empty |
| F19 | 7,5 | Heated steering wheel |
| F20 | 25 | Sunroof |
| F21 | 25 | Heated seats |
| F22 | — | Empty |
| F24 | — | Empty |
| F25 | 5 | Side blind zone alert |
| F26 | 30 | Spare |
| F27 | 30 | Passive entry/ Passive start |
| F28 | — | Empty |
| F30 | — | Empty |
| F31 | 30 | Amplifier |
| J-Case Fuses | Amp | Usage |
| F01 | — | Empty |
| F05 | — | Empty |
| F12 | — | Empty |
| F23 | — | Empty |
| F27 | 30 | Passive Entry |
| F29 | — | Empty |
| Relays | Usage |
| R01 | Empty |
| R02 | Run |
| R03 | Empty |
| R04 | Empty |
| R05 | Empty |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.