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Chevrolet Express 2020 Fuse Box

Chevrolet Express 2020 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 Reflected LED display
16 Upfitter aux 1/Gas ambulance
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 tail lamps
28 Upfitter 2/Reading lamps/Ambulance
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 Left stop/turn cutaway lamp
21 Left stop/turn trailer lamp
22 Right stop/turn cutaway 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 module 2, battery signal
42 Trailer wiring
43 -
44 Starter solenoid
45 Engine control module, powertrain signal 2
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 Wipers
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 signal 1
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

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