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GMC Sierra 1500 2025 Fuse Box

GMC Sierra 1500 2025 Fuse Box Info

 

Passenger compartment fuse box location:

The left instrument panel fuse box is located on the driver side edge of the instrument panel (If equipped with a Work Truck trim).

The left instrument panel fuse box is located under the steering wheel on the driver side. (If equipped with a Uplevel or Base Level trim).

The right instrument panel fuse box is located on the passenger side edge of the instrument panel.

 

Engine compartment fuse box location:

 

 

Fuse Box Diagram | Layout

 

Passenger compartment fuse box (Left):

Fuse/Relay N° Functions
Fuses  
1 Rear Heated Seats Left/Right
3 -
4 -
5 Spare
6 Heated and Ventilated Seats Left/Right
8 -
9 EOCM – End Object Control Module/Park Assist
10 -
11 -
12 Passenger Power Seat
13 -
14 Data Link Connector
15 -
16 AMP
17 MFEG - Multifunction Endgate Control
18 -
20 Endgate
22 Rear Sliding Window
23 Driver and Passenger Memory Seat Module
24 -
25 -
26 -
27 -
Circuit
Breakers
 
CB1 -
Relays  
K1 Rear Sliding Window Open
K2 Rear Sliding Window Close
K3 MFEG – Multifunction Endgate Control High
K4 -
K5 MFEG – Multifunction Endgate Control Minor
K6 MFEG – Multifunction Endgate Control Low
K7 -
K8 -

 

Passenger compartment fuse box (Right - front):

Passenger compartment fuse box (Right - back):

Fuse/Relay N° Functions
Fuses  
1 Right Doors
2 Left Doors
3 -
4 ELM – Exterior Lighting Module 2
5 ELM – Exterior Lighting Module 7
6 Front Blower
8 Left Front Window Switch
10 Steering Tilt/Upfitter Vehicle Module/Exterior Lighting Module 5
11 Video Processing Module/Overhead Control Camera
12 Central Gateway Module/Telematics Control Platform/Column Lock/
Driver Monitor System
14 -
17 Steering Wheel Controls
18 -
19 -
20 -
21 -
22 Heated Steering Wheel
23 -
24 -
25 Spot Lamp Left/Right
26 USB Ports/Special Equipment option Retained Accessory Power
27 Accessory Power Outlet/Retained Accessory Power
28 Accessory Power Outlet/Battery
30 Sensing and Diagnostic Module/Automatic Occupant
Sensing/Integrated Center Stack/Instrument Panel Cluster/Heads-up Display/Humidity
31 Body Control Module 2
32 Remote Function Actuator/Wireless Charging Module/Aux Jack/Center Stack Module Aux Jack/Trailer Brake Control Switch
33 Body Control Module 4
34 -
40 -
41 -
42 Electric Park Brake Switch
43 -
44 Shifter Interface Board
45 Radio Low
46 -
47 -
48 Transmission Control Module
49 Body Control Module 1
50 -
51 Battery 1
52 Battery 2
53 -
54 Sunroof
55 Driver Power Seat
56 DC/DC Converter Battery 1
57 DC/DC Converter Battery 2
58 -
Circuit Breakers  
1 Accessory Power Outlet 1
2 -
3 -
4 -
Relays  
K1 -
K2 Retained Accessory Power/Accessory 1
K4 -
K5 -

 

Engine compartment fuse box:

Fuse/Relay N° Functions
Fuses  
1 -
2 -
3 Headlamp Left
4 Headlamp Right
6 -
7 Exterior Lighting Module 4
8 -
9 -
10 Exterior Lighting Module 6
11 Body Control Module 3
12 Rear Defog
13 Washer Front
14 -
15 -
16 -
17 IECL 1 – Instrument Panel Fuse Block Left 1
19 DC/AC Inverter
20 IECR 2 – Instrument Panel Fuse Block Right 2
21 -
22 IECL 2
24 Fuel Heater
25 EBCM – Electronic Brake Control Module
26 -
27 Horn
28 Park Lamp Mirror/Grill
29 -
30 Exterior Lighting Module 3
31 Exterior Lighting Module 1
32 -
33 NOT R/C
34 Radars
37 MISC IP Headline Ignition 
38 Seat Fan Ignition
39 TIM IGN – Trailer Interface Module Ignition
40 MISC Body Ignition
41 Trailer Parking Lamp
42 -
44 DEFC Ignition – Diesel Exhaust Fluid Controller Ignition
45 Secondary Axle Motor
46 Engine Control Module/ Transmission Control Module/Integrated
Chassis Control Ignition
47 -
48 -
49 Transmission Auxiliary Oil Pump
50 A/C Clutch
51 Transfer Case Control Module
52 Front Wiper
53 Center High-Mounted Stop Lamp
54 -
55 Trailer Back-up Lamp
56 SADS – Semi Active Damping System
57 TTPM/SBZA – Side Blind Zone Alert
58 Starter Motor
60 PWR/TRN Sensors 2
61 -
62 DEFC Battery 1/Canister Vent Solenoid
63 Trailer Brake Control Module
65 -
66 Cooling Fan Motor Left
67 -
68 DEFC Battery 2
69 Starter Pinion
71 Cooling Fan
72 Cooling Fan Right/Lower
73 Trailer Stop/Turn Lamp Left
74 Trailer Interface Module 2
75 Integrated Chassis Control Module
76 Electric Running Board
78 Engine Control Module
79 Cabin Coll Pump
80 Powertrain Sensor 1
81 Trailer Stop/Turn Lamp Right
82 Trailer Interface Module 1
83 FTZM – Fuel Tank Zone Module
84 Trailer Battery
85 -
86 Engine Control Module
87 Injector B Even
88 O2 B sensor
89 O2 A sensor
90 Injector A Odd
91 -
92 Aeroshutter
Relays  
5 Rear Defog
18 DC/AC Inverter
23 Fuel Heater
35 Park Lamp/Front Grille Lamp
36 Run/Crank
43 Secondary Axle Motor
59 A/C Clutch
64 Starter Motor
70 Starter Motor
77 Powertrain

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