GMC 2.8L Duramax Diesel 2020 Manual page 86

The vehicle may not be equipped
with all of the fuses, relays, and
features shown.
Fuses Usage
1 Antilock brake
system motor
2 Antilock brake
system 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
Fuses Usage
13 Display/Mirrors/
Rear vision camera
14 Washer
16 Horn
17 Transmission
18 Air conditioning
19 Engine control
module battery
20 Left stop/turn
cutaway lamp
21 Left stop/turn
trailer lamp
22 Right stop/turn
cutaway lamp
23 NOx sensors
24 Diesel fuel pump
25 Auxiliary power
outlet
26 Body control
module 3
27 Special equipment
option
Vehicle Care
Fuses Usage
28 Airbag
29 Steering wheel
sensor
30 Engine control
module/Glow plug
module/Ignition
31 Transmission
control module/
Ignition
32 Transmission
control module
battery
33 Obstacle detection
34 NOx sensors
35 Fuel operated
heater module
36 Fuel system control
module battery
41 Transmission
control module 2,
battery signal
42 Trailer wiring
43 EV fan clutch
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