Table of Contents
The second-generation GMC Acadia was introduced in Detroit in 2016. Manufactured at GM's Spring Hill, Tennessee plant starting in 2016, it was offered exclusively in the North American market. Engine options included a naturally aspirated 2.5-liter four-cylinder (197 hp) and a naturally aspirated 3.6-liter V6 (310 hp), both paired with a 6-speed automatic transmission. Below are the detailed fuse box diagrams and terminal assignments for the facelifted second-generation GMC Acadia (C1XX platform; chassis code C1UT), covering model years 2019, 2020, 2021, and 2022.
This guide includes power distribution center locations and fuse assignments. Fuses protecting the “Cigarette Lighter / Auxiliary Power” and “Fuel Pump” circuits are highlighted in bold.
Instrument Panel Fuse Block (Passenger Compartment)
Located inside the center console on the passenger side, behind the access panel.
| Diagram | |
|---|---|
|
|
| No. | Description |
| F1 | Body Control Module (BCM) 6 |
| F2 | Data Link Connector (DLC) / Central Gateway Module |
| F3 | Electric Steering Column Lock |
| F4 | Unassigned |
| F5 | Logistics Mode |
| F6 | 2019–2021: Heating, Ventilation, and Air Conditioning (HVAC) |
| 2022: Heating, Ventilation, and Air Conditioning (HVAC) / Humidity Sensor | |
| F7 | Body Control Module (BCM) 3 |
| F8 | 2021–2022: Park Assist / Electronic Range Select Hybrid |
| F9 | Front Passenger Heated Seat |
| F10 |
|
| F11 | Unassigned |
| F12 | 2020–2021: Audio Amplifier |
| 2022: Audio Amplifier 2 | |
| F13 | Body Control Module (BCM) 7 |
| F14 | Driver Heated Seat |
| F15 | Instrument Panel Switch Bank |
| F16 | Sunroof Module |
| F17 | Body Control Module (BCM) 1 |
| F18 | 2019–2020: Instrument Cluster |
| 2021–2022: Instrument Cluster / Head-Up Display (HUD) | |
| F19 | Unassigned |
| F20 | Rear Seat Entertainment System |
| F21 | Body Control Module (BCM) 4 |
| F22 | Infotainment USB Data / Auxiliary Input Jack |
| F23 | Body Control Module (BCM) 2 |
| F24 | USB Charging Port / Wireless Charging Module |
| F25 |
|
| F26 | Communication Integration Module (CIM) |
| F27 | 2019–2020: Video Processing Module |
| 2021–2022: Video Processing Module / Night Vision Module | |
| F28 | HVAC Display Controls |
| F29 | Radio / Infotainment Control Module |
| F30 | Steering Wheel Controls |
| F31 | Electronic Brake Control Module (EBCM) / Electric Brake Booster |
| F32 | DC/AC Power Inverter |
| F33 | Driver Power Seat Module |
| F34 | Passenger Power Seat Module |
| F35 | Battery IEC 1 Feed |
| F36 | Electric Power Steering (EPS) |
| F37 |
|
| F38 | Body Control Module (BCM) 8 |
| F39 | Unassigned |
| F40 | Unassigned |
| F41 | Unassigned |
| F42 | Front Auxiliary 12V Power Outlet / Cigarette Lighter |
Underhood Fuse Block (Engine Compartment)
Located on the driver's side of the engine compartment, under the protective cover.
Overview of the GMC Acadia underhood electrical center.
| Diagram | |
|---|---|
|
|
| No. | Description |
| K1 | Starter Relay 1 |
| K2 | Run/Crank Relay |
| K3 | Starter Relay 3 |
| K4 | LED / Automatic Headlamp Control Relay |
| K5 | Unassigned |
| K6 | 2019–2020: Coolant Pump Relay |
| K7 | Engine Control Module (ECM) Relay |
| K8 | Air Conditioning (A/C) Compressor Relay |
| K9 | Unassigned |
| K10 | Starter Relay 2 |
| F1 | Antilock Brake System (ABS) Control Module |
| F2 | Starter Motor 1 |
| F3 | DC/DC Converter 1 |
| F4 | Unassigned |
| F5 | DC/DC Converter 2 |
| F6 | Audio Amplifier 1 |
| F7 | Front HVAC Blower Motor |
| F8 | Starter Motor 3 |
| F9 | Unassigned |
| F10 | Unassigned |
| F11 | Unassigned |
| F12 | Front Windshield Wiper Motor |
| F13 | Starter Motor 2 |
| F14 | LED / Automatic Headlamp Leveling Module |
| F15 | Rear Wiper Motor 1 |
| F16 | Unassigned |
| F17 | Unassigned |
| F18 | Automatic Headlamp Leveling Control Module |
| F19 | Unassigned |
| F20 | Unassigned |
| F21 | Unassigned |
| F22 | Electronic Brake Control Module (EBCM) |
| F23 | Parking / Trailer Lamps |
| F24 |
|
| F25 | Steering Column Lock Module |
| F26 | Unassigned |
| F27 |
|
| F28 | Unassigned |
| F29 | Unassigned |
| F30 | Windshield Washer Pump |
| F31 | Unassigned |
| F32 | Unassigned |
| F33 | Front Fog Lamps |
| F34 | Horn Relay |
| F35 | Unassigned |
| F36 | Left Headlamp High Beam |
| F37 | Right Headlamp High Beam |
| F38 | 2019–2021: Automatic Headlamp Leveling Actuator |
| F39 |
|
| F40 |
|
| F41 | Instrument Cluster Module |
| F42 | 2019–2021: Heating, Ventilation, and Air Conditioning (HVAC) |
| 2022: HVAC / Central Gateway Module (Run/Crank) | |
| F43 | 2019–2020: Head-Up Display (HUD) |
| 2021–2022: Head-Up Display (HUD) / Reflective Light Alert Display | |
| F44 | Electronic Brake Control Module (EBCM) / Electric Brake Booster (Run/Crank) |
| F45 | Unassigned |
| F46 | Unassigned |
| F47 | Unassigned |
| F48 | Rear Wiper Motor 2 |
| F49 | 2019–2021: Electrochromic Inside Rearview Mirror / Trailer Module |
| 2022: Electrochromic Inside Rearview Mirror / Trailer / Rear Heated Seats (Run/Crank) | |
| F50 | 2019–2021: Fuel Pump Control Module (FPCM) |
| 2022: Fuel Pump Control Module (FPCM) / Fuel Tank Zone Module (Run/Crank) | |
| F51 | Heated Steering Wheel Module |
| F52 | A/C Compressor Clutch Relay |
| F53 | 2021–2022: Auxiliary Coolant Pump |
| F54 | 2020: Auxiliary Coolant Pump |
| F55 | Unassigned |
| F56 | Unassigned |
| F57 | Engine Control Module (ECM) / Ignition Feed |
| F58 | Transmission Control Module (TCM) / Ignition Feed |
| F59 | Engine Control Module (ECM) Main Power Supply |
| F60 | Unassigned |
| F61 | 2020–2021: Oxygen (O2) Sensor 1 / Active Grille Shutter |
| 2022: Oxygen (O2) Sensor 1 / Active Grille Shutter / Mass Air Flow (MAF) Sensor | |
| F62 | Engine Control Module (ECM) Powertrain Components (Odd Cylinder Bank) |
| F63 | Oxygen (O2) Sensor 2 |
| F64 | Engine Control Module (ECM) Powertrain Components (Even Cylinder Bank) |
| F65 | Engine Control Module (ECM) Powertrain Relay Feeds |
| F66 | |
| F67 | |
| F68 | Unassigned |
| F69 | Unassigned |
| F70 | Unassigned |
| F71 | Unassigned |
| F72 | Unassigned |
| F73 | Unassigned |
| F74 | Unassigned |
| F75 | Unassigned |
| F76 | Unassigned |
| F77 | Unassigned |
Rear Electrical Center (Cargo Area)
Located on the left side of the cargo area. Remove the thumbnut and trim panel to access.
Overview of the cargo area fuse block.
| Diagram | |
|---|---|
|
|
| No. | Description |
| CB1 | Unassigned |
| CB2 | Unassigned |
| CB3 |
|
| K1 | Unassigned |
| K2 | Unassigned |
| F1 | Unassigned |
| F2 | Trailer Auxiliary Battery Feed 1 |
| F3 | Driver Seat Belt Tensioner Motor |
| F4 | Rear HVAC Blower Motor |
| F5 | Rear Drive Control Module (AWD) |
| F6 | Passenger Seat Belt Tensioner Motor |
| F7 | Right Power Windows |
| F8 | Rear Climate Auxiliary Heater |
| F9 | Left Power Windows |
| F10 | Unassigned |
| F11 | Trailer Reverse Lamps |
| F12 | Unassigned |
| F13 | Unassigned |
| F14 | Unassigned |
| F15 | Unassigned |
| F16 | Unassigned |
| F17 | 2019–2020: Camera Module / Spare Circuit |
| F18 | 2019–2020: Trailer Interface Module |
| 2021–2022: Trailer Interface Module / Accessory Power Module (RESS) Ignition | |
| F19 | 2019–2021: Ventilated Seats |
| 2022: Ventilated Seats / Left Front Heated Seat (Run/Crank) | |
| F21 | Trailer Harness Connector |
| F22 | Unassigned |
| F23 | Unassigned |
| F24 | Passenger Power Window Switches |
| F25 | Unassigned |
| F26 | Trailer Brake Control Module |
| F27 | Driver Seat Lumbar / Ventilation Control |
| F28 | Keyless Access and Start Control Module |
| F29 | Unassigned |
| F30 | EVAP Canister Vent Solenoid |
| F31 | 2021–2022: Rechargeable Energy Storage System (RESS) |
| F32 | Heated Exterior Mirrors |
| F33 | Unassigned |
| F34 | Power Liftgate Control Module |
| F35 | 2019–2021: Fuel Pump Control Module (FPCM) |
| 2022: Fuel Pump Control Module (FPCM) / Fuel Tank Zone Module | |
| F36 | Passenger Seat Lumbar / Ventilation Control |
| F37 | 2021–2022: External Audio Amplifier (Hybrid) |
| F38 | Power Window Module |
| F39 | Rear Closure / Latch Control Module |
| F40 | Memory Seat Module (MSM) |
| F41 | Passenger Presence System (PPS) Module |
| F42 | Trailer Auxiliary Battery Feed 2 |
| F43 | 2021–2022: Rear Console Blower Motor |
| F44 | Unassigned |
| F45 | Power Liftgate Actuator Motor |
| F46 | Rear Heated Seats |
| F47 | Unassigned |
| F48 | Glass Breakage Sensor |
| F49 | Unassigned |
| F50 | Unassigned |
| F51 | Unassigned |
| F52 | Active Damping Control Module |
| F53 | 2020: Rear Park Assist Module / Video / USB / Backup Camera |
| F54 | Side Blind Zone Alert Module / Object Detection System |
| F55 | Unassigned |
| F56 | Universal Garage Door Opener / Rain-Sensing Wipers |
| F57 | Theft-Deterrent Module |