Chevrolet Express 2019 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 |
4 | Front parking lamps |
5 | Trailer parking lamps |
6 | Upfitter/Parking lamps |
7 | Right rear parking lamp |
8 | Left rear parking lamp |
9 | Exterior rear mirror switch/ Door lock-unlock control upfitter/Front camera module |
10 | Airbag/Automatic occupant sensing |
11 | – / OnStar |
12 | ECM batt V6 gas |
13 | HVAC 2 |
14 | HVAC 1 |
15 | - |
16 | Upfitter 1 |
17 | Heated outside mirrors |
18 | Rear window defogger |
19 | Compass |
20 | Radio/Chime/ SiriusXM satellite radio |
21 | Remote function actuator/Tire pressure monitor |
22 | Ignition switch/ Discrete logic ignition sensor |
23 | Instrument cluster |
24 | - |
25 | HVAC control |
26 | Auxiliary/Trailer reverse lamps |
27 | Reverse lamps |
28 | Upfitter 2/Reading lamps |
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 window 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/Turn signal lamp |
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/Turn signal lamp |
21 | Left trailer stoplamp/Turn signal lamp |
22 | Cutaway/Right stoplamp/Turn signal lamp |
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 |
31 | Transmission control module Ignition |
32 | Transmission control module 1 battery |
33 | Rear parking aid module |
34 | - |
35 | - |
36 | Fuel system control module battery |
41 | Transmission control 2 module battery power |
42 | Trailer wiring |
43 | - |
44 | Starter solenoid |
45 | Engine control module/Powertrain |
46 | AC DC inverter |
47 | - |
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 | Engine oil solenoid |
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 | Engine control module diesel |
76 | - |
77 | O2 sensor 1 |
78 | Engine control module/Powertrain |
79 | Ignition/Injectors – even |
Relays | |
15 | Run/Crank |
37 | - |
38 | Fuel pump |
39 | Crank |
40 | A/C compressor |
48 | - |
49 | Powertrain |
50 | - |
57 | - |
60 | - |
Auxiliary fuse box:
Fuse/Relay N° | Functions |
Fuses | |
MR-1 | Upfitter 1 |
MR-2 | Upfitter 2 |
MR-3 | Upfitter power control |
Relays | |
MR Rel 1 | Upfitter 1 |
MR Rel 2 | Upfitter 2 |