Table of Contents
This article provides a detailed overview of the fuse box diagrams for the fifth-generation Buick Regal (CXL, CXL Turbo, and GS), covering model years 2010, 2011, 2012, 2013, 2014, 2015, 2016, and 2017.
Fuse #25 in the engine compartment fuse block and fuse #7 in the instrument panel fuse block protect the cigarette lighter circuits.
Engine Compartment Fuse Block
Located adjacent to the battery.
To remove the cover, depress the three retaining clips and lift the cover straight up.
General overview of the fuse block.
| Diagram | |
|---|---|
|
|
| No. | Description |
| R1 | A/C Compressor Clutch Relay |
| R2 | Starter Motor Relay |
| R3 | Empty |
| R4 | Front Windshield Wiper Relay (High Speed) |
| R5 | Front Windshield Wiper Relay (Low / Intermittent) |
| R6 | Right Low-Beam Headlamp / DRL Relay |
| R7 | Ignition Main Relay |
| R8 | Auxiliary Heater Coolant Pump Relay (eAssist Only) |
| R9 | Engine Cooling Fan Relay |
| R10 | Engine Cooling Fan Relay |
| R11 | Auxiliary Transmission Fluid Pump Relay (eAssist Only) |
| R12 | Empty |
| R13 | Engine Cooling Fan Relay |
| R14 | HID Headlamp / Left Low-Beam Headlamp / DRL Relay |
| R15 | Ignition Relay |
| R16 | Secondary Air Injection (SAI) Pump Relay (eAssist Only) |
| R17 | Rear Window Defogger / Heated Mirror Relay |
| 1 | Transmission Control Module (TCM) |
| 2 | Engine Control Module (ECM) |
| 3 | Empty / 2013: Secondary Air Injection (SAI) Solenoid (2.4L Engine, RPO LEA) |
| 4 | Empty |
| 5 | Ignition, Transmission Control Module (TCM), Engine Control Module (ECM) |
| 6 | Front Windshield Wiper |
| 7 | eAssist Only: Battery Power Inverter Module (BPIM) / 2010–2012: Empty |
| 8 | Empty |
| 9 | 2010–2012: Fuel Injectors and Ignition Coil Module |
| 10 | Engine Control Module (ECM) |
| 11 | Heated Oxygen Sensor (HO2S) |
| 12 | Starter Motor |
| 13 | Fuel Pump Control Module / Fuel Pump |
| 14 |
|
| 15 | eAssist Only: Motor Generator Unit (MGU) Coolant Pump |
| 16 | Heated Steering Wheel |
| 17 | Empty |
| 18 | eAssist Only: Battery Power Inverter Module (BPIM) |
| 19 | Empty |
| 20 | Empty |
| 21 | Rear Power Windows |
| 22 | Antilock Brake System (ABS) Valves |
| 23 | 2013: Variable Effort Steering 2014–2017: Obstacle Detection / Parking Assist |
| 24 | Front Power Windows |
| 25 |
|
| 26 | Antilock Brake System (ABS) Pump |
| 27 | Electric Parking Brake |
| 28 | Rear Window Defogger |
| 29 | Left Front Seat Power Lumbar |
| 30 | Right Front Seat Power Lumbar |
| 31 | A/C Compressor Clutch |
| 32 | Body Control Module (BCM) 6 |
| 33 | Heated Front Seats |
| 34 | Sunroof / Moonroof |
| 35 | Infotainment System |
| 36 | Adaptive Cruise Control (ACC) |
| 37 | Right High-Beam Headlamp |
| 38 | Left High-Beam Headlamp |
| 39 | All-Wheel Drive (AWD) Module |
| 40 | Empty |
| 41 | Brake Vacuum Pump |
| 42 | Engine Cooling Fan |
| 43 | Passive Entry / Passive Start (PEPS) System |
| 44 |
|
| 45 | Engine Cooling Fan |
| 46 | Terminal 87 (Main Relay) |
| 47 | Heated Oxygen Sensor (HO2S) |
| 48 | Front Fog Lamps |
| 49 | Right Low-Beam Headlamp / HID |
| 50 | Left Low-Beam Headlamp / HID |
| 51 | Dual Horn |
| 52 | Malfunction Indicator Lamp (MIL) / Check Engine |
| 53 | Automatic Dimming Inside Rearview Mirror |
| 54 | Rear Vision Camera |
| 55 | Power Windows / Power Outside Mirrors |
| 56 | Windshield Washer Pump |
| 57 | Empty |
| 58 | Empty |
| 59 | Secondary Air Injection (eAssist Only) |
| 60 | Heated Outside Mirrors |
| 61 | Empty |
| 62 | EVAP Canister Vent Solenoid |
| 63 | Empty |
| 64 | HVAC Heater Coolant Pump (eAssist Only) |
| 65 | Empty |
| 66 | Secondary Air Injection (SAI) Check Valve (eAssist Only) |
| 67 | Fuel Pump Control Module |
| 68 | Empty |
| 69 | Battery Current Sensor |
| 70 | Right Low-Beam Headlamp / DRL |
| 71 | Empty |
Instrument Panel Fuse Block
Located on the driver's side of the vehicle, behind the small storage compartment. To access the fuse block, press inward on the sides of the compartment to release it from the instrument panel, then pull it toward you to detach it from the hinges.
Fuse block access.
| Diagram | |
|---|---|
|
|
| No. | Description |
| 1 | Suspension Control Module / Universal Garage Door Opener / Electronic Stability Control (ESC) |
| 2 |
|
| 3 | Body Control Module (BCM) 5 |
| 4 | Radio / Audio System |
| 5 | Radio Display / Parking Assist / Infotainment / Center Console Controls |
| 6 | Instrument Panel 12V Power Receptacle |
| 7 | Center Console 12V Power Receptacle, Buick Regal Cigarette Lighter |
| 8 | Body Control Module (BCM) 3 |
| 9 | Body Control Module (BCM) 4 |
| 10 | Body Control Module (BCM) 8 |
| 11 | HVAC Front Blower Motor |
| 12 | Right Front Power Seat |
| 13 | Left Front Power Seat |
| 14 | Data Link Connector (DLC) |
| 15 | Supplemental Inflatable Restraint (SIR) / Airbag System |
| 16 |
|
| 17 | HVAC Control Module |
| 18 | Service Fuse / Logistics Relay |
| 19 | Memory Seat Module |
| 20 | Automatic Occupant Sensing (AOS) System |
| 21 | Instrument Panel Cluster (IPC) |
| 22 | Passive Entry / Passive Start (PEPS) / Discrete Logic Ignition Switch |
| 23 | Body Control Module (BCM) 6 |
| 24 | Body Control Module (BCM) 2 |
| 25 | OnStar® Module |
| 26 |
|