
Chevrolet Express 2017 Fuse Box Info
Passenger compartment fuse box location:

The floor console fuse box is located under the driver’s seat.
Engine compartment fuse box location:

Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Functions | 
| Fuses | |
| 1 | - | 
| 2 | Steering wheel sensor | 
| 3 | Auxiliary parking lamps (cut-away) | 
| 4 | Front parking lamps | 
| 5 | Trailer parking lamps | 
| 6 | Upfitter/Parking lamps | 
| 7 | Right rear parking lamp | 
| 8 | Left rear parking lamp | 
| 9 | Exterior rearview mirror switch | 
| 10 | Airbag/Automatic occupant sensing | 
| 11 | OnStar (if equipped) | 
| 12 | - | 
| 13 | HVAC 2 | 
| 14 | HVAC 1 | 
| 15 | - | 
| 16 | Upfitter 1 (if equipped) | 
| 17 | Exterior rearview heated mirrors | 
| 18 | Rear window defogger | 
| 19 | Compass | 
| 20 | Radio/Chime/ SiriusXM satellite radio (if equipped) | 
| 21 | Remote function actuator/Tire pressure monitor | 
| 22 | Ignition switch/ Discrete logic ignition sensor (PK3) | 
| 23 | Instrument cluster | 
| 24 | - | 
| 25 | HVAC | 
| 26 | Auxiliary/Trailer reverse lamps | 
| 27 | Reverse lamps | 
| 28 | Upfitter 2/Reading lamps (if equipped) | 
| 29 | Rear blower | 
| 30 | Upfitter/Courtesy lamps | 
| 31 | Front door lock | 
| 32 | Rear door lock | 
| 33 | Cargo door unlock | 
| 34 | Passenger door unlock | 
| 35 | Rear passenger door unlock | 
| 36 | Driver door lock | 
| 37 | - | 
| 38 | - | 
| Relays | |
| K1 | Run | 
| K2 | - | 
| K3 | Parking lamps | 
| K4 | Upfitter 2 | 
| K5 | Rear defogger | 
| K6 | Retained accessory power | 
| Circuit Breaker | |
| CB1 | Power Seats | 
| CB2 | Power Windows | 
Engine compartment fuse box:
| Fuse/Relay N° | Functions | 
| Fuses | |
| 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 | Interior rear vision camera module | 
| 13 | - | 
| 14 | Windshield washer | 
| 16 | Horn | 
| 17 | Transmission | 
| 18 | A/C | 
| 19 | Engine control module battery | 
| 20 | - | 
| 21 | Left trailer stoplamp/Turnlamp | 
| 22 | - | 
| 23 | - | 
| 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/ Glow plug module | 
| 31 | Transmission control module/ Ignition | 
| 32 | Transmission control module battery | 
| 33 | Rear parking aid module | 
| 34 | - | 
| 35 | Fuel operated heater module | 
| 36 | Fuel system control module battery | 
| 41 | - | 
| 42 | Trailer wiring | 
| 43 | EV fan clutch | 
| 44 | Starter solenoid | 
| 45 | Engine control module/Powertrain | 
| 46 | - | 
| 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 | Wiper | 
| 56 | Canister vent solenoid | 
| 58 | Body control module 2 | 
| 59 | Body control module 1 | 
| 61 | - | 
| 62 | O2 sensor 2/EV fan (diesel) | 
| 63 | - | 
| 64 | Mass air flow/ Canister vent | 
| 65 | Ignition/Injectors – odd | 
| 66 | Daytime running lamps 2 (LOLVL-V22) (if equipped) | 
| 67 | Daytime running lamps 1 (UPLVL +V22) (if equipped) | 
| 68 | Auxiliary stoplamps | 
| 69 | Trailer stoplamps | 
| 70 | - | 
| 71 | Fuel heater/Flex fuel sensor | 
| 72 | Body control module 6 | 
| 73 | Lighter/Data link connector | 
| 74 | Front blower | 
| 75 | Fuel injectors | 
| 76 | - | 
| 77 | O2 sensor 2 | 
| 78 | Engine control module/Powertrain | 
| 79 | Ignition/Injectors – even | 
| Relays | |
| 15 | Run/Crank | 
| 37 | - | 
| 38 | Fuel pump | 
| 39 | Crank | 
| 40 | A/C | 
| 48 | EV fan clutch | 
| 49 | Powertrain | 
| 50 | - | 
| 57 | Cooling fan – low | 
| 60 | Fan control | 
 
				



