GMC Acadia (2018) – fuse box diagram
Year of production: 2018
Engine Compartment Fuse Block
The underhood fuse block is in the engine compartment, on the driver side of the vehicle.
| Fuses | Usage |
| F1 | Antilock brake system |
| F2 | Starter 1 |
| F3 | DC DC transformer 1 |
| F4 | — |
| F5 | — |
| F6 | — |
| F7 | DC DC transformer 2 |
| F8 | Starter 3 |
| F9 | — |
| F10 | — |
| F11 | — |
| F12 | Front wiper |
| F13 | Starter 2 |
| F14 | LED/Automatic headlamp leveling |
| F15 | Rear wiper 1 |
| F16 | — |
| F17 | — |
| F18 | Automatic headlamp leveling module |
| F19 | — |
| F20 | — |
| F21 | — |
| F22 | Electronic brake control module |
| F23 | Parking/Trailer lamp |
| F24 | Right trailer stoplamp/Turn signal lamp |
| F25 | Steering column lock |
| F26 | — |
| F27 | Left trailer stoplamp/Turn signal lamp |
| F28 | — |
| F29 | — |
| F30 | Washer pump |
| F31 | Headlamp low-beam right |
| F32 | Headlamp low-beam left |
| F33 | Front fog lamps |
| F34 | Horn |
| F35 | — |
| F36 | Headlamp high-beam left |
| F37 | Headlamp high-beam right |
| F38 | Automatic headlamp leveling motor |
| F39 | Transmission control module 1 |
| F40 | Left rear bus electrical center/Ignition |
| F41 | Instrument cluster |
| F42 | Heating, ventilation, and air conditioning |
| F43 | Head-up display |
| F44 | — |
| F45 | — |
| F46 | — |
| F47 | — |
| F48 | Rear wiper 2 |
| F49 | Interior rearview mirror/Trailer |
| F50 | Fuel system control module |
| F51 | Heated steering wheel |
| F52 | Air conditioning clutch |
| F53 | Transmission range control module |
| F54 | Coolant pump |
| F55 | — |
| F56 | — |
| F57 | Engine control module/Ignition |
| F58 | Transmission control module/Ignition |
| F59 | Engine control module battery |
| F60 | Transmission control module 2 |
| F61 | O2 sensor 1/Aeroshutter |
| F62 | Engine control module – odd |
| F63 | O2 sensor 2 |
| F64 | Engine control module – even |
| F65 | Engine control module powertrain 1 |
| F66 | Engine control module powertrain 2 |
| F67 | Powertrain TRCM |
| F68 | — |
| F69 | — |
| F70 | — |
| F71 | — |
| F72 | — |
| F73 | — |
| F74 | — |
| F75 | — |
| F76 | — |
| F77 | — |
| Relays | Usage |
| K1 | Starter 1 |
| K2 | Run/Crank |
| K3 | Starter 3 |
| K4 | LED/Automatic headlamps |
| K5 | — |
| K6 | Coolant pump |
| K7 | Engine control module |
| K8 | Air conditioning |
| K9 | — |
| K10 | Starter 2 |
Instrument Panel Fuse Block
The instrument panel fuse block is inside the center console on the passenger side of the vehicle.
| Fuses | Usage |
| F1 | Body control module 6 |
| F2 | Diagnostic link |
| F3 | Electric steering column lock |
| F4 | — |
| F5 | Logistics |
| F6 | Heating, ventilation, and air conditioning |
| F7 | Body control module 3 |
| F8 | Head-up display (if equipped) |
| F9 | Right front heated seat |
| F10 | Airbag/Seat belt |
| F11 | Electronic precision shif |
| F12 | Amplifier |
| F13 | Body control module 7 |
| F14 | Left front heated seat |
| F15 | Instrument panel switch bank |
| F16 | Sunroof |
| F17 | Body control module 1 |
| F18 | Instrument cluster |
| F19 | — |
| F20 | Rear seat entertainment |
| F21 | Body control module 4 |
| F22 | Infotainment USB data/Aux jack |
| F23 | Body control module 2 |
| F24 | USB charge/Wireless charging module |
| F25 | Parking assist |
| F26 | CIM |
| F27 | Video |
| F28 | Heating, ventilation, and air conditioning display |
| F29 | Radio |
| F30 | Steering wheel adjustment controls |
| F31 | Front blower |
| F32 | DC AC inverter |
| F33 | Driver power seat |
| F34 | Passenger power seat |
| F35 | Battery IEC 1 feed |
| F36 | Electric power steering |
| F37 | Rear seat entertainment/USB charge/Wireless charging module |
| F38 | Body control module 8 |
| F39 | — |
| Circuit Breaker | Usage |
| F40 | — |
| F41 | — |
| F42 | Auxiliary power outlet/Lighter |
Rear Compartment Fuse Block
The rear compartment fuse block is behind a trim panel on the driver side of the rear storage compartment.
| Fuses | Usage |
| F1 | — |
| F2 | Trailer battery 1 |
| F3 | Driver seat belt motor |
| F4 | Rear blower |
| F5 | Rear drive control |
| F6 | Passenger seat belt motor |
| F7 | Right window |
| F8 | Rear defogger |
| F9 | Left window |
| F10 | — |
| F11 | Trailer reverse |
| F12 | — |
| F13 | — |
| F14 | — |
| F15 | — |
| F16 | — |
| F17 | Camera |
| F18 | Trailer module |
| F19 | Ventilated seats |
| F20 | — |
| F21 | Trailer connector |
| F22 | — |
| F23 | — |
| F24 | Passenger window switch |
| F25 | — |
| F26 | Trailer brake |
| F27 | Driver seat ventilation/Lumbar |
| F28 | Passive entry/Passive start |
| F29 | — |
| F30 | Canister vent |
| F31 | – |
| F32 | Heated mirrors |
| F33 | — |
| F34 | Liftgate module |
| F35 | Fuel system control module |
| F36 | Passenger seat ventilation/Lumbar |
| F37 | — |
| F38 | Window module |
| F39 | Rear closure |
| F40 | Memory seat module |
| F41 | Automatic occupancy sensor |
| F42 | Trailer battery 2 |
| F43 | — |
| F44 | — |
| F45 | Liftgate motor |
| F46 | Rear heated seats |
| F47 | — |
| F48 | Glass break sensor |
| F49 | — |
| F50 | — |
| F51 | — |
| F52 | Active dampening system module |
| F53 | Rear parking aid module/Video/USB |
| F54 | External object calculating/Side blind zone alert |
| F55 | — |
| F56 | Universal garage door-opener/Rain sensor |
| F57 | Theft deterrent system |
| Circuit Breaker | Usage |
| CB1 | — |
| CB2 | — |
| CB3 | Rear auxiliary power outlet |
| Relay | Usage |
| K1 | — |
| K2 | — |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
