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

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In this article, we consider the twelfth-generation Chevrolet Suburban and fifth-generation Tahoe (GMT1YC), available from 2021 to the present. Here you will find fuse box diagrams of Chevrolet Suburban / Tahoe 2021 and 2022, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

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
F1Right Door
F2Left Door
F3Universal Garage Door Opener (UGDO)/ OnStar Hands-free Calling (OHC)/ Camera
F4Body Control Module 2
F5Displays
F6Front Blower
F8Left Door Panel
F10Tilt/ Column Lock
F11USB/ Data Link Connector (DLC)
F12Central Gateway Module (CGM)/ Onstar
F14Right Door Panel
F17Steering Wheel Control
F18Active Vibration Module 1
F19-
F20-
F21-
F22Heated Whee
F23-
F24-
F25Search Engine Optimization (SEO)/ UPFITTER
F26USB/ Search Engine Optimization (SEO) Retained Accessory Power (RAP)
F27Auxiliary Power Outlet (APO)/Retained Accessory Power
F28Spare
F30Sensing and Diagnostic Module/ Automatic Occupant Sensing
F31Body Control Module 3
F32Center Stack Module (CSM)/ USB
F33Body Control Module 4
F34Out of Park
F40-
F41-
F42Electric Park Brake Switch
F43Road Side Equipment
F44Active Vibration Module 2
F45Radio Module
F46Body Control Module 1A
F47-
F48Telematics Control Module
F49Body Control Module 1
F50Driver Monitoring System
F51-
F52-
F53-
F54Sunroof
F55Auxiliary Power Outlet 3
F56Direct Current/ Direct Current Converter Battery 1
F57Direct Current/ Direct Current Converter Battery 2
F58Spare
F59-
Circuit Breakers
CB1Auxiliary Power Outlet 1
CB2Auxiliary Power Outlet 2
Relays
K1-
K2Retain Accessory Power/ Accessory 1
K4Retain 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-
6Exterior Lighting Module 7
7Exterior Lighting Module 4
8-
9Exterior Lighting Module 5
10Exterior Lighting Module 6
11Spare
12-
13Washer Front
14Washer Rear
15Rear Electrical Center 2
16Power Sounder
17Spare
19DC/AC Inverter
20IECR 2
21-
22IECL 2
24Electronic Brake Control Module
25Rear Electrical Center 1
26Camera Wash
27Horn
28Headlamp Right
29Headlamp Left
30Exterior Lighting Module 3
31Exterior Lighting Module 1
32-
33Not R/C
34-
37On Board Diagnostics (OBD) Body
38MISC Body
39Upfitter
40MISC Instrument Panel (IP)
41Trailer Parking Lamps
42Right Taillamp
44Trailer Tow
45Secondary Axle Motor
46Engine Control Module (ECM) Ignition
47OBD Engine
48-
49Telematics Control Module
50A/C Clutch
51Transfer Case Control Module
52Front Wiper
53-
54Left Taillamps
55Trailer Back-up Lamp
56Semi Active Damping System
57Spare
58Starter Motor
60Active Fuel Management 1
61Automatic Lamp Control (ALC) Main
62Integrated Chassis Control Module/Canister Vent Solenoid/Diesel Exhaust Fluid
63Trailer Brake
65Auxiliary Underhood Electrical Center
66Left Cool Fan Motor
67Active Fuel Management 2
68Automatic Lamp Control (ALC) Motor
69Starter Pinion
71Cool Fan Motor Lower
72Right Cool Fan Motor/ Lower
73Left Trailer Stop Turn Lamp
74Trailer Interface Module 2
75Diesel Exhaust Fluid Controller
76ELEC RNG BDS
78Engine Control Module
79-
80Cabin Cool Pump 17W
81Right Trailer Stop Turn Lamp
82Trailer Interface Module 1
83Fuel Tank Zone Module
84Trailer Battery
85Engine
86Engine Control Module
87Injector B Even
88O2 B Sensor
89O2 A Sensor
90Injector A Odd
91Engine Control Module (ECM) Throttle Control
92Cool Fan Clutch AERO Shutter
Relays
5-
18DC/AC Inverter
23-
35Park Lamp
36Run/Crank
43Secondary Axle Motor
59A/C Clutch
64Starter Motor
70Starter Pinion
77Powertrain

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Rear Compartment Fuse Box Diagram

Assignment of the fuses in the Rear Compartment Fuse Box
Usage
F1Remote Function Actuator
F2Wireless Charging Module
F3Heated Seat Module Row 1 (Battery 1)
F4Memory Seat Module (MSM) Driver
F5-
F6-
F7Amplifier Auxiliary 2
F8-
F9Search Engine Optimization Upfitter 2
F10Motor Seatbelt Passenger
F11Power Folding Seat Row 2
F12GBS
F13-
F14-
F15Heated Seat Module Row 1 (Battery 2)
F16Right Hand Cinch Latch
F17Memory Seat Module Passenger
F18Rear Wiper
F19Motor Seatbelt Driver
F20Rear Defogger
F21-
F22Rear HVAC Display Control
F23External Object Calculation Module
F24Amplifier Auxiliary 3
F25OBS DET
F26Rear Drive Control Module
F27Amplifier Auxiliary 1
F28Video Processing Module
F29-
F30-
F31Amplifier
F32-
F33Integrated Chassis Control Module
F34Heated Seat Module Row 2
F35HFCR
F36Exterior Lighting Module
F37-
F38Power Slide Console
F39-
F40-
F41-
F42-
F43Universal Park Assist
F44-
F45Adaptive Forward Lighting/ Automatic Headlamp Leveling
F46Rear HVAC Blower Motor
F47Left Hand Cinch Latch
F48Power Seat Recline Module
F49Lift Glass
F50Driver Power Seat
F51Power Liftgate Module
F52Passenger Power Seat
Relays
K53-
K54-
K55L/GLASS

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