Chevrolet Tahoe / Suburban (2021-2022..) fuses and relays

 

Fuse Layout Chevrolet Suburban / Tahoe 2021-2022..

Fuse Box Location

Passenger Compartment

The right instrument panel fuse block access door is on the passenger side edge of the instrument panel. Pull off the cover to access the fuse block. A fuse puller is available on the right instrument panel end cap.

Engine Compartment

Lift the cover to access the fuse block.

Luggage Compartment

The rear compartment fuse block is behind the access panel on the left side of the compartment. Pull the panel out by grabbing the finger access slot at the rear edge.

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Fuse Box Diagrams

Instrument Panel Fuse Box Diagram

There are relays on the back of the fuse block. To access, press the tabs and remove the fuse block.

Assignment of the fuses in the Instrument Panel Fuse Box

№	Usage
F1	Right Door
F2	Left Door
F3	Universal Garage Door Opener (UGDO)/ OnStar Hands-free Calling (OHC)/ Camera
F4	Body Control Module 2
F5	Displays
F6	Front Blower
F8	Left Door Panel
F10	Tilt/ Column Lock
F11	USB/ Data Link Connector (DLC)
F12	Central Gateway Module (CGM)/ Onstar
F14	Right Door Panel
F17	Steering Wheel Control
F18	Active Vibration Module 1
F19	-
F20	-
F21	-
F22	Heated Whee
F23	-
F24	-
F25	Search Engine Optimization (SEO)/ UPFITTER
F26	USB/ Search Engine Optimization (SEO) Retained Accessory Power (RAP)
F27	Auxiliary Power Outlet (APO)/Retained Accessory Power
F28	Spare
F30	Sensing and Diagnostic Module/ Automatic Occupant Sensing
F31	Body Control Module 3
F32	Center Stack Module (CSM)/ USB
F33	Body Control Module 4
F34	Out of Park
F40	-
F41	-
F42	Electric Park Brake Switch
F43	Road Side Equipment
F44	Active Vibration Module 2
F45	Radio Module
F46	Body Control Module 1A
F47	-
F48	Telematics Control Module
F49	Body Control Module 1
F50	Driver Monitoring System
F51	-
F52	-
F53	-
F54	Sunroof
F55	Auxiliary Power Outlet 3
F56	Direct Current/ Direct Current Converter Battery 1
F57	Direct Current/ Direct Current Converter Battery 2
F58	Spare
F59	-
	Circuit Breakers
CB1	Auxiliary Power Outlet 1
CB2	Auxiliary Power Outlet 2
	Relays
K1	-
K2	Retain Accessory Power/ Accessory 1
K4	Retain Accessory Power/ Accessory 2
K5	-

Engine Compartment Fuse Box Diagram

Assignment of the fuses in the Engine Compartment Fuse Box

№	Usage
1	-
2	-
3	-
4	-
6	Exterior Lighting Module 7
7	Exterior Lighting Module 4
8	-
9	Exterior Lighting Module 5
10	Exterior Lighting Module 6
11	Spare
12	-
13	Washer Front
14	Washer Rear
15	Rear Electrical Center 2
16	Power Sounder
17	Spare
19	DC/AC Inverter
20	IECR 2
21	-
22	IECL 2
24	Electronic Brake Control Module
25	Rear Electrical Center 1
26	Camera Wash
27	Horn
28	Headlamp Right
29	Headlamp Left
30	Exterior Lighting Module 3
31	Exterior Lighting Module 1
32	-
33	Not R/C
34	-
37	On Board Diagnostics (OBD) Body
38	MISC Body
39	Upfitter
40	MISC Instrument Panel (IP)
41	Trailer Parking Lamps
42	Right Taillamp
44	Trailer Tow
45	Secondary Axle Motor
46	Engine Control Module (ECM) Ignition
47	OBD Engine
48	-
49	Telematics Control Module
50	A/C Clutch
51	Transfer Case Control Module
52	Front Wiper
53	-
54	Left Taillamps
55	Trailer Back-up Lamp
56	Semi Active Damping System
57	Spare
58	Starter Motor
60	Active Fuel Management 1
61	Automatic Lamp Control (ALC) Main
62	Integrated Chassis Control Module/Canister Vent Solenoid/Diesel Exhaust Fluid
63	Trailer Brake
65	Auxiliary Underhood Electrical Center
66	Left Cool Fan Motor
67	Active Fuel Management 2
68	Automatic Lamp Control (ALC) Motor
69	Starter Pinion
71	Cool Fan Motor Lower
72	Right Cool Fan Motor/ Lower
73	Left Trailer Stop Turn Lamp
74	Trailer Interface Module 2
75	Diesel Exhaust Fluid Controller
76	ELEC RNG BDS
78	Engine Control Module
79	-
80	Cabin Cool Pump 17W
81	Right Trailer Stop Turn Lamp
82	Trailer Interface Module 1
83	Fuel Tank Zone Module
84	Trailer Battery
85	Engine
86	Engine Control Module
87	Injector B Even
88	O2 B Sensor
89	O2 A Sensor
90	Injector A Odd
91	Engine Control Module (ECM) Throttle Control
92	Cool Fan Clutch AERO Shutter
	Relays
5	-
18	DC/AC Inverter
23	-
35	Park Lamp
36	Run/Crank
43	Secondary Axle Motor
59	A/C Clutch
64	Starter Motor
70	Starter Pinion
77	Powertrain

Rear Compartment Fuse Box Diagram

Assignment of the fuses in the Rear Compartment Fuse Box

№	Usage
F1	Remote Function Actuator
F2	Wireless Charging Module
F3	Heated Seat Module Row 1 (Battery 1)
F4	Memory Seat Module (MSM) Driver
F5	-
F6	-
F7	Amplifier Auxiliary 2
F8	-
F9	Search Engine Optimization Upfitter 2
F10	Motor Seatbelt Passenger
F11	Power Folding Seat Row 2
F12	GBS
F13	-
F14	-
F15	Heated Seat Module Row 1 (Battery 2)
F16	Right Hand Cinch Latch
F17	Memory Seat Module Passenger
F18	Rear Wiper
F19	Motor Seatbelt Driver
F20	Rear Defogger
F21	-
F22	Rear HVAC Display Control
F23	External Object Calculation Module
F24	Amplifier Auxiliary 3
F25	OBS DET
F26	Rear Drive Control Module
F27	Amplifier Auxiliary 1
F28	Video Processing Module
F29	-
F30	-
F31	Amplifier
F32	-
F33	Integrated Chassis Control Module
F34	Heated Seat Module Row 2
F35	HFCR
F36	Exterior Lighting Module
F37	-
F38	Power Slide Console
F39	-
F40	-
F41	-
F42	-
F43	Universal Park Assist
F44	-
F45	Adaptive Forward Lighting/ Automatic Headlamp Leveling
F46	Rear HVAC Blower Motor
F47	Left Hand Cinch Latch
F48	Power Seat Recline Module
F49	Lift Glass
F50	Driver Power Seat
F51	Power Liftgate Module
F52	Passenger Power Seat
	Relays
K53	-
K54	-
K55	L/GLASS

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