2023 Chevrolet Suburban Fuses And Fuse Box | Replacing a Blown Fuse
Fuse boxes and fuses are essential to preserving the integrity of the electrical system in a 2023 Chevrolet Suburban. In order to guard against potential harm to important electrical components, fuses are meant to break the electrical circuit in the event of an overload or short circuit. For any owner of a car, knowing how to replace a blown fuse is critical to the efficient operation of vital systems like the power windows and lights, among others. This tutorial will provide you a basic understanding of how to repair a blown fuse in a 2023 Chevrolet Suburban, enabling you to effectively handle small electrical problems and maintain the smooth operation of your car.
Electrical System
Electrical System Overload
The vehicle has fuses and circuit breakers to protect against an electrical system overload. When the current electrical load is too heavy, the circuit breaker opens and closes, protecting the circuit until the current load returns to normal or the problem is fixed. This greatly reduces the chance of circuit overload and fire caused by electrical problems. Fuses and circuit breakers protect the wires that provide the power to the devices in your vehicle. If there is a problem on the road and a fuse needs to be replaced, the same amperage fuse can be borrowed. Choose some feature of the vehicle that is not needed to use and replace it as soon as possible. To check a fuse, look at the band inside the fuse. If the band is broken or melted, replace the fuse. Be sure to replace a bad fuse with a fuse of the identical size and rating.
Replacing a Blown Fuse
- Turn off the vehicle.
- Locate the fuse puller on the instrument panel end cap. See the Instrument Panel Fuse Block.
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Use the fuse puller to remove the fuse from the top or side, as shown above.
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If the fuse must be replaced immediately, spare fuses are also provided on the instrument panel end cap or borrow a replacement fuse with the same amperage from the fuse block. Choose a vehicle feature that is not needed to safely operate the vehicle. Repeat.
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Insert the replacement fuse into the empty slot of the blown fuse.
At the next opportunity, see your dealer to replace the blown fuse.
Headlamp Wiring
An electrical overload may cause the lamps to go on and off, or in some cases to remain off. Have the headlamp wiring checked right away if the lamps go on and off or remain off.
Windshield Wipers
If the wiper motor overheats due to heavy snow or ice, the windshield wipers will stop until the motor cools and will then restart. Although the circuit is protected from electrical overload, overload due to heavy snow or ice may cause wiper linkage damage. Always clear ice and heavy snow from the windshield before using the windshield wipers.
If the overload is caused by an electrical problem and not snow or ice, be sure to get it fixed.
Fuses and Circuit Breakers
The wiring circuits in the vehicle are protected from short circuits by a combination of fuses and circuit breakers. This greatly reduces the chance of damage caused by electrical problems.
Danger
Fuses and circuit breakers are marked with their ampere rating. Do not exceed the specified amperage rating when replacing fuses and circuit breakers. Use of an oversized fuse or circuit breaker can result in a vehicle fire. You and others could be seriously injured or killed.
Warning
Installation or use of fuses that do not meet GM’s original fuse specifications is dangerous. The fuses could fail, and result in a fire. You or others could be injured or killed, and the vehicle could be damaged.
Engine Compartment Fuse Block
The engine compartment fuse block is in the engine compartment, on the driver side of the vehicle.
Lift the cover to access the fuse block.
Caution
Spilling liquid on any electrical component on the vehicle may damage it. Always keep the covers on any electrical component.
- ELM 7 – Exterior Lighting Module 7
- ELM 7 – Exterior Lighting Module 7
- ELM 5 – Exterior Lighting Module 5
- ELM 6 – Exterior Lighting Module 6
- Spare
- Washer Front
- Washer Rear
- REC 2 – Rear Electrical Center 2
- Power Sounder
- Spare
- DC/AC Inverter
- IECR 2
- Washer Front
- Washer Rear
- REC 2 – Rear Electrical Center 2
- Power Sounder
- Spare
- DC/AC Inverter
- IECR 2
- IECL 2
- EBCM – Electronic Brake Control Module
- REC 1 – Rear Electrical Center 1
- Camera Wash
- IECL 2
- EBCM – Electronic Brake Control Module
- REC 1 – Rear Electrical Center 1
- Camera Wash
- Horn
- Headlamp RT – Right
- Headlamp LT – Left
- ELM 3 – Exterior Lighting Module 3
- ELM 1 – Exterior Lighting Module 1
- Horn
- Headlamp RT – Right
- Headlamp LT – Left
- ELM 3 – Exterior Lighting Module 3
- ELM 1 – Exterior Lighting Module 1
- Not R/C
- On Board Diagnostics (OBD) Body
- MISC Body
- Upfitter
- MISC Instrument Panel (IP)
- Trailer Parking Lamps
- Right Taillamp
- Trailer Tow
- Secondary Axle Motor
- Engine Control Module (ECM) Ignition
- OBD Engine
- TCM – Telematics Control Module
- A/C Clutch
- TCCM – Transfer Case Control Module
- Front Wiper
- Left Taillamps
- Trailer Back-up Lamp
- SADS – Semi Active Damping System
- Spare
- Starter Motor
- AFM 1 – Active Fuel Management 1
- Automatic Lamp Control (ALC) Main
- ICCM/CVS/DEF – Integrated Chassis Control Module/Canister Vent Solenoid/Diesel Exhaust Fluid
- Trailer Brake
- AUX UEC – Auxiliary Underhood Electrical Center
- Left Cool Fan Motor
- AFM 2 – Active Fuel Management 2
- Automatic Lamp Control (ALC) Motor
- Starter Pinion
- Cool Fan Motor Lower
- Right Cool Fan Motor/ Lower
- Left Trailer Stop Turn Lamp
- TIM 2 – Trailer Interface Module 2
- DEFC – Diesel Exhaust Fluid Controller
- ELEC RNG BDS
- ECM – Engine Control Module
- Cabin Cool Pump 17W
- Right Trailer Stop Turn Lamp
- TIM 1 – Trailer Interface Module 1
- FTZM – Fuel Tank Zone Module
- Trailer Battery
- Engine
- ECM – Engine Control Module
- Injector B Even
- 02 B Sensor
- 02 A Sensor
- Injector A Odd
- Engine Control Module (ECM) Throttle Control
- Cool Fan Clutch AERO Shutter
- DC/AC Inverter
- Park Lamp
- Run/Crank
- Secondary Axle Motor
- A/C Clutch
- Starter Motor
- Starter Pinion
- Powertrain
Instrument Panel Fuse Block 
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.
There are relays on the back of the fuse block. To access, press the tabs and remove the fuse block.
The vehicle may not be equipped with all of the fuses, relays, and features shown.
- F1 Right Door
- F2 Left Door
- F3 Universal Garage Door Opener (UGDO)/OnStar Hands-free Calling (OHC)/ Camera
- F4 BCM 2 – 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 AVM 1 – Active Vibration Module 1
- F19 –
- F20 –
- F21 –
- F22 Heated Wheel
- 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 SDM/AOS – Sensing and Diagnostic Module/ Automatic Occupant Sensing
- F31 BCM 3 – Body Control Module 3
- F32 Center Stack Module (CSM)/USB
- F33 BCM 4 – Body Control Module 4
- F34 Out of Park
- F40 –
- F41 –
- F42 Electric Park Brake Switch F43 RSE – Road Side Equipment F44 AVM 2 – Active Vibration
Module 2
- F45 Radio Module
- F46 BCM 1A – Body Control Module 1A
- F47 –
- F48 TCM – Telematics Control Module
- F49 BCM 1 – Body Control Module 1
- F50 DMS – Driver Monitoring System
- F51 –
- F52 –
- F53 –
- F54 Sunroof
- F55 APO 3 – Auxiliary Power Outlet 3
- F56 DC/DC CNV BATT 1 – Direct Current/Direct Current Converter Battery 1
- F57 DC/DC CNV BATT 2 – Direct Current/Direct Current Converter Battery 2
- F58 Spare
- F59 –
Breakers
- CBO1 APO 1 – Auxiliary Power Outlet 1
- CBO2 APO 2 – Auxiliary Power Outlet 2
- K1 –
- K2 RAP/ACCY 1 – Retain Accessory Power/ Accessory 1
- K4 RAP/ACCY 2 – Retain Accessory Power/ Accessory 2
- K5 –
Rear Compartment Fuse Block
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.
The vehicle may not be equipped with all of the fuses, relays, and features shown.
- F01 RFA – Remote Function Actuator
- F02 WCM – Wireless Charging Module
- F03 Heated Seat Module Row 1 (Battery 1)
- F04 Memory Seat Module (MSM) Driver
- F05 –
- F06 –
- F07 Amp Aux 2 – Amplifier Auxiliary 2
- F08 –
- F09 SEO UPFTR 2 – 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 RH CINCH Latch – 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 EOCM – External Object
Calculation Module
- F24 Amp Aux 3 – Amplifier Auxiliary 3
- F25 OBS DET
- F26 RDCM – Rear Drive Control Module
- F27 Amp Aux 1 – Amplifier Auxiliary 1
- F28 VPM – Video Processing Module
- F29 –
- F30 –
- F31 Amp – Amplifier
- F32 –
- F33 ICCM – Integrated Chassis Control Module
- F34 Heated Seat Module Row 2 F35 HFCR
- F36 ELM – Exterior Lighting Module
- F37 –
- F38 Power Slide Console
- F39 –
- F40 –
- F41 –
- F42 –
- F43 UPA – Universal Park Assist F44 –
- F45 AFL AHL – Adaptive Forward Lighting/ Automatic
Headlamp Leveling
- F46 Rear HVAC Blower Motor F47 LH CINCH Latch – Left Hand
- Cinch Latch
- F48 Power Seat Recline Module F49 Lift Glass
- F50 Driver Power Seat
- F51 Power Liftgate Module
- F52 Passenger Power Seat
- K53 –
- K54 –
- K55 L/GLASS
FAQs
Fuses in the 2023 Chevrolet Suburban serve as protective devices, designed to interrupt electrical circuits in case of an overload or short circuit, preventing potential damage to vital electrical components.
Typically, the fuse box in the 2023 Chevrolet Suburban is located in the engine compartment or the interior of the vehicle. Refer to your owner’s manual for the exact location.
Accessing the fuse box may require removing a cover or panel. Consult your owner’s manual for the specific procedure.
A blown fuse can often be identified by a broken filament inside the fuse or a discolored appearance. You can also use a multimeter to check for continuity.
You’ll typically need a fuse puller or a pair of needle-nose pliers to remove fuses. It’s a good practice to keep spare fuses of various amperages on hand.
No, it’s crucial to use the correct type and amperage of fuse as specified in your owner’s manual. Using the wrong fuse can lead to electrical problems or damage.
Your owner’s manual includes a fuse diagram or chart that shows which fuse corresponds to each electrical component in your vehicle. Use this to identify the faulty fuse.
Blown fuses can result from electrical faults, short circuits, circuit overloads, or faulty components.
No, it’s crucial to replace a blown fuse with one of the same amperage rating. Using a higher-amp fuse can lead to electrical damage or safety hazards.
If a fuse keeps blowing repeatedly, it may indicate an underlying electrical problem. Consult a qualified mechanic to diagnose and address the issue.
Some fuses may be associated with critical safety systems or advanced electronics. In such cases, it’s best to have a professional technician handle the replacement.
It’s recommended to use genuine OEM fuses or high-quality replacements from reputable brands to ensure proper functionality and safety.
You should check your fuses whenever you experience an electrical issue in your vehicle. Additionally, inspect them during routine maintenance for peace of mind.
Always disconnect the power source before working with fuses to avoid electrical shock or injury. Use the correct tools and follow safety guidelines.
Useful Link
View Full PDF: 2023 Chevrolet Suburban User Manual
2023 CHEVROLET SUBURBAN Specs, Price, Features, Mileage (Brochure)
