fuses CHEVROLET SILVERADO 2500 2023 User Guide

Chevrolet Silverado 2500 HD/3500 HD Owner Manual (GMNA-Localizing-U.
S./Canada/Mexico-15546003) - 2022 - CRC - 5/5/21
338 Vehicle Care
FusesUsage
27 Horn
28 –
29 –
30 –
31 –
32 Rear window defogger
33 Heated mirror
34 Parking lamp left 37 –
38 –
39 –
40 Misc ignition 41 Trailer parking lamp
42 Park lamp right
44 –
45 –
46 Engine control module ignition
47 Transmission control module ignition Fuses
Usage
48 –
49 Transmission control module
50 A/C clutch 51 Transfer case control module
52 Front wiper
53 Center high-mounted stop lamp
54 Trailer reverse lamp 55 Trailer back-up lamp
56 SADS 57 TTPM/SBZA
58 Starter motor (LD & HD DSL)
60 Active fuel management 1
61 VES
62 Integrated chassis control module/CVS
63 Trailer battery Fuses
Usage
65 Auxiliary underhood electrical center
66 Cooling fan motor left 67 Active fuel management 2
68 –
69 Starter Pinion (LD) / Starter Motor (HD Gas)
71 Cooling fan
72 Cooling fan right/lower
73 Trailer stop/turn lamp left
74 Trailer Interface Module 1
75 DEFC
76 Electric RNG BDS
78 Engine control module
79 Auxiliary battery
80 Cabin cooling pump 81 Trailer stop/turn lamp right

Chevrolet Silverado 2500 HD/3500 HD Owner Manual (GMNA-Localizing-U.
S./Canada/Mexico-15546003) - 2022 - CRC - 5/5/21
Vehicle Care 339
FusesUsage
82 Trailer Interface Module 2
83 FTZM
84 Trailer brake 85 ENG
86 Engine control module 87 Injector B even
88 O2 B sensor
89 O2 A sensor
90 Injector A odd 91 Engine control module throttle control
92 Cool fan clutch/ Aeroshutter Relays
Usage
5 Headlamp
18 DC/AC inverter
23 Rear window defogger
35 Parking lamp
36 Run/Crank
43 –
59 A/C clutch
64 Starter Motor (LD & HD DSL)
70 Starter Pinion (LD) / Starter Motor (HD Gas)
77 PowertrainInstrument Panel Fuse Block (Left)
The left instrument panel fuse block access
door is on the driver side edge of the
instrument panel.
The vehicle may not be equipped with all of
the fuses, relays, and features shown.
Pull off the cover to access the fuse block.
A fuse puller is available on the left
instrument panel end cap.

Chevrolet Silverado 2500 HD/3500 HD Owner Manual (GMNA-Localizing-U.
S./Canada/Mexico-15546003) - 2022 - CRC - 5/5/21
340 Vehicle Care
The vehicle may not be equipped with all of
the fuses, relays, and features shown.Fuses Usage
F1 Rear Heated Seats Left/ Right
F3 –
F4 –
F5 Spare/MFEG –
Multifunction End Gate
F6 Heated and Ventilated Seats Left/Right
F8 –
F9 Passive Entry Passive Start/ Spare
F10 –
F11 –
F12 Passenger Power Seat
F13 Export Power Take Off/ Special Equipment Option 1
F14 –
F15 – Fuses Usage
F16 AMP –Amplifier
F17 –
F18 –
F20 Endgate F22 Rear Sliding Window
F23 –
F24 –
F25 –
F26 –
F27 –
Circuit
Breakers Usage
CB1 –

Chevrolet Silverado 2500 HD/3500 HD Owner Manual (GMNA-Localizing-U.
S./Canada/Mexico-15546003) - 2022 - CRC - 5/5/21
342 Vehicle Care
1. Push the tab at the top of fuseblock down.
2. Pull the top of the fuse block outward.
3. Reverse Steps 1–2 to reinstall.
Back
The vehicle may not be equipped with all of
the fuses, relays, and features shown. Fuses Usage
F1 Right Doors
F2 Left Doors
F3 Universal Garage Door Opener
F4 –
F5 –
F6 Front Blower
F8 Lumbar Switch
F10 Body Control Module 6/ Body Control Module 7
F11 Seat/Column Lock Module
F12 Body Control Module 3/ Body Control Module 5
F14 Mirrors/Windows Module F17 Steering Wheel Controls
F18 Video Processing Module/ Obstacle Detection
F19 DLIS –Discrete Logic
Ignition Switch
F20 Ventilated Seats F21 NOT R/C

Chevrolet Silverado 2500 HD/3500 HD Owner Manual (GMNA-Localizing-U.
S./Canada/Mexico-15546003) - 2022 - CRC - 5/5/21
Vehicle Care 343
FusesUsage
F22 Heated Steering Wheel
F23 MISC R/C
F24 Power Take Off/Reflective Light Auxiliary Display/
Instrument Panel Cluster/
Central Gateway Module/
Inside Rear View Mirror/
Overhead Console Module
Ignition
F25 Heating, Ventilation, and Air Conditioning Ignition/
Heating, Ventilation, and
Air Conditioning Auxiliary
F26 USB Ports/Special Equipment Option Retained
Accessory Power
F27 Accessory Power Outlet/ Retained Accessory Power
F28 Accessory Power Outlet/ Battery
F30 Sensing and Diagnostic Module/Parking Brake
F31 Body Control Module 4 Fuses
Usage
F32 Special Equipment Option/ Data Link Connection
F33 Body Control Module 8
F34 Cargo Lamp
F40 CGM –Central Gateway
Module
F41 Infotainment 1
F42 TCP –Telematics
Connectivity Platform
F43 –
F44 –
F45 Body Control Module 2
F46 Heating, Ventilation, and Air Conditioning/Battery 1
F47 Instrument Panel Cluster/ Battery
F48 Transmission Control Module
F49 Body Control Module 1 F50 –
F51 Battery 1
F52 Battery 2 Fuses
Usage
F53 –
F54 Sunroof F55 Driver Power Seat
F56 DC DC TRANS 1 F57 DC DC TRANS 2
F58 Infotainment 2
Circuit
Breakers Usage
1 Accessory Power Outlet 2
2 Accessory Power Outlet 1/ Cigarette Lighter
3 –
4 –
Relays Usage
K1 Run/Crank
K2 Retained Accessory Power/ Accessory 1
K4 –
K5 –

Chevrolet Silverado 2500 HD/3500 HD Owner Manual (GMNA-Localizing-U.
S./Canada/Mexico-15546003) - 2022 - CRC - 5/5/21
Index 431
DrivingAssistance Systems . . . . . . . . . . . . . . . . . . . . 263
Better Fuel Economy . . . . . . . . . . . . . . . . . . . 210
Characteristics and Towing Tips . . . . . . . . 274
Defensive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Hill and Mountain Roads . . . . . . . . . . . . . . 218
If the Vehicle is Stuck . . . . . . . . . . . . . . . . . 219
Impaired . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Loss of Control . . . . . . . . . . . . . . . . . . . . . . . . 213
Off-Road . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . 213
Vehicle Load Limits . . . . . . . . . . . . . . . . . . . . 220
Wet Roads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
E
E85 or FlexFuel . . . . . . . . . . . . . . . . . . . . . . . . . . 270
Electric Parking Brake . . . . . . . . . . . . . . . . . . . . 245
Electric Parking Brake Light . . . . . . . . . . . . . . . 118
Electrical Equipment, Add-On . . . . . . . . . . . . 303
Electrical System
Engine Compartment Fuse Block . . . . . . . 336
Fuses and Circuit Breakers . . . . . . . . . . . . . 336
Instrument Panel Fuse Block . . . . . . 339, 341
Overload . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 334 Electronic Stability Control (ESC) Off
Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 421
Engine Air Cleaner/Filter . . . . . . . . . . . . . . . . . . . . . . 315
Check Light (Malfunction Indicator) . . . . . 116
Compartment Overview . . . . . . . . . . . . . . . . 310
Coolant Temperature Gauge . . . . . . . . . . . . 113
Coolant Temperature Warning Light . . . . 121
Cooling System . . . . . . . . . . . . . . . . . . . . . . . . 316
Drive Belt Routing . . . . . . . . . . . . . . . . . . . . . 408
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320
Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Oil Life System . . . . . . . . . . . . . . . . . . . . . . . . 313
Oil Pressure Gauge . . . . . . . . . . . . . . . . . . . . . 112
Oil Pressure Light . . . . . . . . . . . . . . . . . . . . . . 122
Overheated ProtectionOperating Mode . . . . . . . . . . . . . . . . . . . . . 320
Overheating . . . . . . . . . . . . . . . . . . . . . . . . . . . 318
Power Messages . . . . . . . . . . . . . . . . . . . . . . . 130
Running While Parked . . . . . . . . . . . . . . . . . 235
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Engine Air Filter Life System . . . . . . . . . . . . . .314
Entry Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Equipment, Towing . . . . . . . . . . . . . . . . . . . . . . .281
Event Data Recorders . . . . . . . . . . . . . . . . . . . . 419 Exit Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Extended Parking . . . . . . . . . . . . . . . . . . . . . . . . 234
Extender, Seat Belt . . . . . . . . . . . . . . . . . . . . . . . .61
Exterior Cargo Lamps . . . . . . . . . . . . . . . . . . . . 144
Exterior Lamp Controls . . . . . . . . . . . . . . . . . . . 139
Exterior Lamps Off Reminder . . . . . . . . . . . . . 141
Exterior Lighting Battery Saver . . . . . . . . . . .147
F
Fan
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320
Filter,
Engine Air Cleaner . . . . . . . . . . . . . . . . . . . . . 315
Fixed Mast Antenna . . . . . . . . . . . . . . . . . . . . . .158
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Flashers, Hazard Warning . . . . . . . . . . . . . . . . .142
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 363 Changing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364
FlexFuel E85 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
Floor Console Storage . . . . . . . . . . . . . . . . . . . . . 98
Floor Mats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 389
Fluid
Automatic Transmission . . . . . . . . . . . . . . . 314
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323
Power Steering . . . . . . . . . . . . . . . . . . . . . . . . 320
Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
Fog Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .143

Chevrolet Silverado 2500 HD/3500 HD Owner Manual (GMNA-Localizing-U.
S./Canada/Mexico-15546003) - 2022 - CRC - 5/5/21
432 Index
Folding Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Forward Collision Alert (FCA) System . . . . 263
Four-WheelDrive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326
Drive Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Drive System . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Frequency Statement
Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 417
Front Axle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326
Front Fog Lamp Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Front Seats Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Heated and Ventilated . . . . . . . . . . . . . . . . . . 53
Fuel Additives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
Economy, Driving for Better . . . . . . . . . . . 210
Filling a Portable Fuel Container . . . . . . . 273
Filling the Tank . . . . . . . . . . . . . . . . . . . . 271, 272
Foreign Countries . . . . . . . . . . . . . . . . . . . . . . 270
Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Low Fuel Warning Light . . . . . . . . . . . . . . . 122
Prohibited Fuels . . . . . . . . . . . . . . . . . . . . . . . 269
Recommended . . . . . . . . . . . . . . . . . . . . . . . . . 269
Top Tier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
Full-Size Spare Tire . . . . . . . . . . . . . . . . . . . . . . . 374
Fuses Engine Compartment Fuse Block . . . . . . . 336 Fuses (cont'd)
Fuses and Circuit Breakers . . . . . . . . . . . . . 336
Instrument Panel Fuse Block . . . . . . 339, 341
G
Garage Door Opener . . . . . . . . . . . . . . . . . . . . . . 135
Programming . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329
Gauges
Engine Coolant Temperature . . . . . . . . . . . . 113
Engine Oil Pressure . . . . . . . . . . . . . . . . . . . . . 112
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Speedometer . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Tachometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Trip Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Voltmeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Warning Lights and Indicators . . . . . . . . . 107
General Information Service and Maintenance . . . . . . . . . . . . . . 391
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273
Vehicle Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 307
Glass Replacement . . . . . . . . . . . . . . . . . . . . . . . 329
Global Positioning System (GPS) . . . . . . . . . . 172
Glove Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
GM Mobility Reimbursement Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .412 Guidance
Problems with the Route . . . . . . . . . . . . . . . 172
H
Halogen Bulbs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331
Hazard Warning Flashers . . . . . . . . . . . . . . . . .142
HD Radio Technology . . . . . . . . . . . . . . . . . . . . 156
Head Restraints . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Head-up Display . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Headlamps
Aiming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
Automatic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . 330
Daytime Running Lamps (DRL) . . . . . . . . . . 141
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Headlamps, Front Turn Signal,Sidemarker, and Parking Lamps . . . . . . 331
High-Beam On Light . . . . . . . . . . . . . . . . . . . 123
High/Low Beam Changer . . . . . . . . . . . . . . . 141
Lamps On Reminder . . . . . . . . . . . . . . . . . . . 123
Heated
Rear Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Steering Wheel . . . . . . . . . . . . . . . . . . . . . . . . 101
Heated and Ventilated Front Seats . . . . . . . .53
Heated Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Heater Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202, 204