GMC Savana (2018- 2022) – fuse box diagram
Year of production: 2011, 2012, 2013, 2014, 2015, 2016, 2017
Engine Compartment Fuse Block
The fuse block is located in the engine compartment on the driver side of the vehicle.

| № | Usage |
|---|---|
| 1 | ABS motor |
| 2 | ABS module |
| 3 | Right trailer stoplamp/ Turnlamp |
| 4 | – |
| 5 | – |
| 6 | Fuel system control module/ Ignition |
| 7 | Body control module 5 |
| 8 | Body control module 7 |
| 9 | Body control module 4 |
| 10 | Instrument cluster |
| 11 | Trailer wiring |
| 12 | – |
| 13 | Interior Rear Vision Camera Module |
| 14 | Windshield washer |
| 16 | Horn |
| 17 | Transmission |
| 18 | A/C |
| 19 | Engine control module battery |
| 20 | Cutaway/Left stoplamp/Turnlamp |
| 21 | Left trailer stoplamp/Turnlamp |
| 22 | Cutaway/Right stoplamp/Turnlamp |
| 23 | 2021-2022: NOX Sensor (Diesel Only) |
| 24 | Fuel pump |
| 25 | Auxiliary power outlet |
| 26 | Body control module 3 |
| 27 | Special equipment option |
| 28 | Airbag |
| 29 | Steering wheel sensor |
| 30 | Engine control module Ignition |
| 31 | Transmission control module/ Ignition |
| 32 | Transmission control module 1 battery/ Engine control module battery power (gas 6 cyl) |
| 33 | Rear parking aid module |
| 34 | 2021-2022: NOX Sensor (Diesel Only) |
| 35 | 2021-2022: Fuel Heater Control Module (Diesel Only) |
| 36 | Fuel system control module battery |
| 41 | Transmission control 2 module battery power |
| 42 | Trailer wiring |
| 43 | 2021-2022: Electro Viscous Fan Clutch (Diesel Only) |
| 44 | Starter solenoid |
| 45 | Engine control module/ Powertrain |
| 46 | AC DC inverter |
| 47 | Cooling fan – low |
| 51 | Left high-beam headlamp |
| 52 | Right high-beam headlamp |
| 53 | Left low-beam headlamp |
| 54 | Right low-beam headlamp |
| 55 | Wipers |
| 56 | Canister vent solenoid |
| 58 | Body control module 2 |
| 59 | Body control module 1 |
| 61 | Engine Oil Solenoid/ Crankcase Vent Heater (Diesel Only) |
| 62 | O2 sensor 2 |
| 63 | – |
| 64 | Mass air flow/ Canister vent |
| 65 | Ignition/ Injectors – odd |
| 66 | Daytime running lamps 2 |
| 67 | Daytime running lamps 1 |
| 68 | Auxiliary stoplamps |
| 69 | External power for trailer |
| 70 | Upfitter stoplamps |
| 71 | Fuel heater/ Flex fuel sensor |
| 72 | Body control module 6 |
| 73 | Lighter/ Data link connector |
| 74 | Front blower |
| 75 | 2018: V6 fuel injectors 2019-2022: Engine Control Module |
| 76 | 2021-2022: Soot Sensors (Diesel Only) |
| 77 | O2 sensor 1 |
| 78 | Engine control module/ Powertrain |
| 79 | Ignition/ Injectors – even |
| Relays | |
| 15 | Run/Crank |
| 37 | 2021-2022: NOX Sensor (Diesel Only) |
| 38 | Fuel pump |
| 39 | Crank |
| 40 | A/C compressor |
| 48 | 2021-2022: Electro Viscous Fan Clutch (Diesel Only) |
| 49 | Powertrain |
| 50 | – |
| 57 | Cooling fan – low |
| 60 | Cooling fan control |
Auxiliary Fuse Block

| № | Usage |
|---|---|
| MR-1 | Upfitter 1 |
| MR-2 | Upfitter 2 |
| MR-3 | Upfitter power control |
| MR Rel 1 | Upfitter 1 |
| MR Rel 2 | Upfitter 2 |
Mega Fuse Hölder

| № | Usage |
|---|---|
| 1 | Starter motor |
Passenger compartment

| № | Usage |
|---|---|
| F1 | – |
| F2 | Steering wheel sensor |
| F3 | Auxiliary parking lamps |
| F4 | Front parking lamps |
| F5 | Trailer parking lamps |
| F6 | Upfitter/Parking lamps |
| F7 | Right rear parking lamp |
| F8 | Left rear parking lamp |
| F9 | 2018: Exterior rear mirror switch/ Door lock-unlock control upfitter 2019-2021: Exterior rear mirror switch/ Door lock-unlock control upfitter/ Front camera module 2022: Outside View Mirror Switch/ Front Camera Module |
| F10 | Airbag/Automatic occupant sensing |
| F11 | OnStar |
| F12 | 2018-2020: ECM batt |
| F13 | HVAC 2 |
| F14 | HVAC 1 |
| F15 | 2020-2022: Reflected LED display |
| F16 | Upfitter 1 |
| F17 | Exterior rearview heated mirrors |
| F18 | Rear window defogger |
| F19 | Compass |
| F20 | Radio/Chime/ SiriusXM satellite radio |
| F21 | Remote function actuator/Tire pressure monitor |
| F22 | Ignition switch/ Discrete logic ignition sensor / Pass Key 3 |
| F23 | Instrument cluster |
| F24 | – |
| F25 | HVAC control |
| F26 | Auxiliary/Trailer reverse lamps |
| F27 | Reverse lamps |
| F28 | Upfitter 2/ Reading lamps |
| F29 | Rear blower |
| F30 | Upfitter/ Courtesy lamps |
| F31 | Front door lock |
| F32 | Rear door lock |
| F33 | Cargo door unlock |
| F34 | Passenger door unlock |
| F35 | Rear passenger door unlock |
| F36 | Driver door lock |
| F37 | – |
| F38 | – |
| CB1 | Power seats (Circuit Breaker) |
| CB2 | Power windows (Circuit Breaker) |
| Relays | |
| K1 | Run |
| K2 | – |
| K3 | Parking lamps |
| K4 | Upfitter 2 |
| K5 | Rear defogger |
| K6 |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
