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2023 GMC Sierra Denali 3500 HD Fuses and Fuse Box Instructions

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2023 GMC Sierra Denali 3500 HD Fuses and Fuse Box 

In the 2023 GMC Sierra Denali 3500 HD, the fuses and fuse box are an important part of the vehicle’s electrical system because they protect the different electrical lines inside the truck. This carefully planned and meticulously organized fuse box is a key part of keeping the truck’s complex network of electronics and parts working without interruption. The fuses are carefully designed to blow and cut off the circuit if there is an electrical overload or fault. This stops damage or fires from happening. Individual fuses are carefully labeled to make them easy to find and make troubleshooting easier for both drivers and techs. As the heart of the 2023 Sierra Denali 3500 HD’s electrical system, the fuse box shows how committed GMC is to safety, dependability, and the smooth operation of the truck’s high-tech features and technology. It is an essential part of this heavy-duty engine.

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.

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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.

See Accessories and Modifications and General Information
To check or replace a blown fuse, see Electrical System Overload

Underhold Compartment Fuse Block

To Access:

  1. Open the hood. See Hood 2023 GMC Hummer EV Fuses and Fuse Box Operations02
  2. 2. The Underhold Compartment Fuse Block is under a cover and side extensions/shields in the underhold compartment. Complete a three-quarter turn on each of the three bolts on the left-side access cover.
    2023 GMC Hummer EV Fuses and Fuse Box Operations03
  3. Press the clips at the side and back and pull the cover up 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.

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A fuse puller is in the underhold compartment fuse block.

The vehicle may not be equipped with all of the fuses and features shown.

Fuses

Usage
ICCM – Integrated Chassis Control Module

Fuses Usage

  1. F02
  2. PCV_SCV – Primary Coolant
  3. Valve/Secondary Coolant
  4. Valve
  5. F03 SPARE
  6. F04 SPARE
  7. F05 SPARE
  8. F06
  9. ACEC/COOL/VLV – Air
  10. Conditioning Electric
  11. Compressor/Coolant Valve
  12. F07 ESSCP – Energy Storage
  13. System Coolant Pump
  14. F08 SPARE
  15. F09 PECP – Power Electronics
  16. Coolant Pump
  17. F10 SPARE F
  18.  SPARE
  19. F12 Rear Glass Open
  20. F13 TRLR CONNECTOR – Trailer
  21. Brake Connector
  22. F14 SPARE

Fuses Usage

  1. F15
  2. CPDL – Charge Port
  3. Door Lamp
  4. ALC 1 – Automatic Level
  5. Control Main
  6. F16 SPARE
  7. F17 ELM 1 – Exterior Lighting
  8. Module 1
  9. F18
  10. T/LAMP LT – Tail Lamp Left
  11. SADS – Suspension Control
  12. Module
  13. F19 IEC LT 2 – Instrument Panel
  14. Fuse Block Left 2
  15. F20 SPARE
  16. F21 SPARE
  17. F22 CHFV – Condensing
  18. Heating Flow Valve Motor
  19. F23
  20. T/LAMP RT – Tail Lamp
  21. Right
  22. VICM – Vehicle Integrated
  23. Control Module
  24. F24 SPARE
  25. F25 SPARE

Fuses Usage

  1. F26 SPARE
  2. F27 Park Lamp
  3. F28 SPARE
  4. F29 SPARE
  5. F30 TRANS OIL PMP 1 – Trans
  6. Oil Pump 1
  7. F31 SPARE
  8. F32 TRANS OIL PMP 2 – Trans
  9. Oil Pump 2
  10. F33
  11. REV/LAMP – Reverse Lamp
  12. SPARE
  13. F34 TIM 1 – Trailer Interface
  14. Module Primary
  15. F35 SPARE
  16. F36 TPIM 1 – Traction Power
  17. Inverter Module 1
  18. F37 SPARE
  19. F38 TRLR ST/TRN LT – Trail
  20. Stop/Turn Lamp Left
  21. F39 TRLR ST/TRN RT – Trail
  22. Stop/Turn Lamp Right

Fuses Usage

  1. F40 VLM – Vehicle Leveling
  2. Module
  3. F41 SPARE
  4. F42 Rear Glass Close
  5. F43 SPARE
  6. F44 SPARE
  7. F45 SPARE
  8. F46 SPARE
  9. F47 SPARE
  10. F48 SPARE
  11. F49 TBPM – Trailer Brake Power
  12. Module
  13. F50 SPARE
  14. F51 2ND ROW RT – Second Row
  15. Fold Right
  16. F52 SPARE
  17. F53 SPARE
  18. F54 PFCM – Power Front
  19. Closure Module
  20. F55 Defog Rear
  21. F56

Fuses Usage

  1. F57 SPARE
  2. F58 FRNT WIPER – Front Wiper
  3. F59 TIM 2 – Trailer Interface
  4. Module 2
  5. F60 SPARE
  6. F61 SPARE
  7. F62 ELM 3 – Exterior Lighting
  8. Module 3
  9. F63 SPARE
  10. F64 SPARE
  11. F65 ELM 4 – Exterior Lighting
  12. Module 4
  13. F66
  14. AUX PRK LAMP – Auxiliary
  15. Park Lamp
  16. SPARE
  17. F67 SPARE
  18. F68
  19. HDLP LT/AUX PRK LAMP LT
  20. Headlamp Left/Auxiliary
  21. Park Lamp Left
  22. F69 UNDR BODY CAMERA
  23. Underbody Camera

Fuses Usage

  1. F83 SPARE
  2. F84 SPARE
  3. F85
  4. HVSD – High Voltage
  5. Service Disconnect
  6. SPARE
  7. F86 Horn
  8. F87 FRT WSHR PMP – Front
  9. Washer
  10. F88 RR WSHR PMP – Rear
  11. Washer
  12. F89 CAMERA WASH MTR –
  13. Camera Wash Motor
  14. F90 MSB/PASS – Passenger
  15. Motorized Seat Belt
  16. F91 MSB/DRVR – Driver
  17. Motorized Seat Belt

Instrument Panel Fuse Block (Left)

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The instrument panel fuse block is on the driver side of the instrument panel, between the steering wheel and the door. To access the fuses, remove the panel, starting at the bottom. Once clips are disengaged, the tabs along the top of the door can be disengaged from the instrument panel to remove the door.

To reinstall the door, place the top tabs into the slots, and rotate the door into position, engaging the clips.

2023 GMC Hummer EV Fuses and Fuse Box Operations06

The vehicle may not be equipped with all of the fuses, relays, and features shown.

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Fuses Usage

  1. F01 DSM – Driver Power Seat
  2. F02 SDM/AOS – Sensing and
  3. Diagnostic Module/
  4. Automatic Occupant
  5. Sensing
  6. F03 VKS//TTPM/SRR – Virtual
  7. Key System/Trailer Tow
  8. Power Module/Short Range
  9. Radar

Fuses Usage

  • F04 BCM 1 – Body Control
  • Module 1
  • F05 ELM 5 – Exterior Lighting
  • Module 5
  • F06 ENDGATE 1 – Minor
  • End Gate
  • F07 SPARE
  • F08 TCP – Telematics Control
  • Platform

Fuses Usage

  1. F09 Lumbar
  2. SPARE
  3. F10 WCM – Wireless Charger
  4. Module
  5. HVAC Display
  6. F11 2ND HTD SEAT – 2nd Row
  7. Heated Seat
  8. 2ND HTD SEAT – 2nd Row
  9. Heated Seat 2
  10. F12 OUT OF PRK DSBL – Out
  11. of Park
  12. F13 VPM – Video Process
  13. Module
  14. EOCM – External Object
  15. Calculation Module
  16. F14 SPARE
  17. F15 SPARE
  18. F16 Tonneau
  19. F17 VECM – Vehicle Extension
  20. Control Module
  21. SPARE
  22. F18 SPARE

Fuses Usage

  1. F19 SPARE
  2. F20 DRVR MSM – Memory Seat
  3. Module Driver
  4. SPARE
  5. F21 DSP – Designated Seating
  6. Position
  7. HTD/CLD SEAT – Heated
  8. Seat Module Row 1
  9. F22 SPARE
  10. F23 ENDGATE 2 – End Gate
  11. Motor
  12. F24 TPIM 1 – Traction Power
  13. Inverter Module 1
  14. F25 SPARE
  15. F26 TPIM 2 – Traction Power
  16. Inverter Module 2
  17. F27 FRT HTD SEAT MDL –
  18. Heated Seat Module Row 1
  19. F28 ELM 7 – Exterior Lighting
  20. Module 7
  21. F29 OBS DET – Obstacle
  22. Detection

Fuses Usage

  1. F30 ENDGATE 2 MTR GRND –
  2. Major End Gate Motor
  3. Ground
  4. F31 ELM 2 – Exterior Lighting
  5. Module 2
  6. F32 RFA – Remote Function
  7. Actuator
  8. F33 ENDGATE MTR 2 – Motor
  9. F34 TPIM 3 – Traction Power
  10. Inverter Module 3
  11. F35 AMP – Amplifier
  12. F36 PASS PWR SEAT –
  13. Passenger Power Seat
  14. F37 SPARE
  15. F38 SPARE
  16. F39 RT WNDW – Right Hand
    Power Window
  17. F40 LT WNDW – Left Hand
  18. Power Window
  19. Circuit
  20. Breakers
  21. Usage
  22. CB01 SPARE

Circuit Usage

  1. Breakers
  2. CB02 SPARE

Instrument Panel Fuse Block (Right)

The instrument panel fuse block is located behind the glove box. It is accessible by removing the hush panel located underneath the glove box. To remove the hush panel, remove the 4 push-pins that secure the hush panel

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See your dealer if additional assistance is needed.

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The vehicle may not be equipped with all of the fuses and relays shown.

Fuses Usage

  1. F01 FRT BLWR MTR – Front
  2. Blower Motor
  3. F02 PWR STR COL MDL –
  4. Steering Column Adjust
  5. Module

Fuses Usage

  1. F03 ESC/SCL 1 – Electronic
  2. Transmission Range
  3. System/Steering
  4. Column Lock
  5. F04 SPARE
  6. F05 BCM 2 – Body Control
  7. Module 2
  8. F06 BCM 4 – Body Control
  9. Module

Fuses Usage

  1. F07 CLOCK SPRING
  2. F08 TBCS/EPB – Trailer Brake
  3. Control Switch/Electric Park
  4. Brake
  5. F09 SPARE
  6. F10 Displays
  7. NVM – Night Vision
  8. Module
  9. F11 HDLM – High Definition
  10. Localization Module
  11. CGM – Central Gateway
  12. Module
  13. F12 SCL 2 – Steering
  14. Column Lock
  15. F13 TPIM 3 – Traction Power
  16. Inverter Module 3
  17. DLC – Data Link Connection
  18. F14 BODY ELEC – Body Electric
  19. TIM – Trailer Interface
  20. Module
  21. F15 Driver INFO
  22. F16 SPARE

FAQs

What is a fuse in the 2023 GMC Sierra Denali 3500 HD, and what does it do?

A safety device known as a fuse is used to protect the electrical system of a car by severing the circuit in the event of an excessive electrical load or a short circuit.

Where is the fuse box located in the 2023 GMC Sierra Denali 3500 HD?

There may be a secondary fuse box inside the cabin in addition to the main fuse box, which is normally found under the hood close to the engine.

How do I access the fuse box in the GMC Sierra Denali 3500 HD?

Release the latch or unscrew the top to gain access to the primary fuse box under the hood. Under the dashboard or close to the driver’s side is typically where you’ll find the interior fuse box.

How do I access the fuse box in the GMC Sierra Denali 3500 HD?

Release the latch or unscrew the top to gain access to the primary fuse box under the hood. Under the dashboard or close to the driver’s side is typically where you’ll find the interior fuse box.

What should I do if a fuse blows in my GMC Sierra Denali 3500 HD?

To restore electrical operation when a fuse blows, replace it with a fresh fuse with the same amperage rating. The amperage for each fuse is listed on the fuse box cover or in the owner’s manual.

How can I tell if a fuse is blown without removing it

Most contemporary fuse boxes come with a transparent cover or an integrated indication that lets you know when a fuse has blown. If not, you can check the fuse manually or with a fuse tester.

What is the most common reason for fuses to blow in a GMC Sierra Denali 3500 HD?

The most frequent causes of fuses blowing in a GMC Sierra Denali 3500 HD are electrical overloads, short circuits, or problems with particular electrical components, according to question number six.

Are there spare fuses provided with the vehicle?

Usually, there is a chamber within the fuse box where spare fuses are kept.

Can I use a fuse with a higher amperage rating if I don’t have the correct replacement?

No, always swap out a blown fuse for one that is the same amperage. Using a higher-rated fuse could result in fire risk or perhaps electrical damage.

What is the best way to identify which fuse corresponds to a specific component in my GMC Sierra Denali 3500 HD?

A fuse diagram that details each fuse’s function and position may be found in the owner’s manual.

How often should I check and replace fuses in my vehicle?

Regularly check your fuses and swap them out as necessary. It’s a good idea to check the fuses if you discover electrical problems with your car.

Is it safe to replace fuses in my GMC Sierra Denali 3500 HD myself, or should I consult a professional?

As long as you observe safety procedures and utilize the appropriate amperage-rated replacements, you can replace fuses on your own.

Can I reset a tripped circuit breaker in my GMC Sierra Denali 3500 HD, or are they non-resettable?

Usually, fuses cannot be reset. They must be changed when they blow. If present, circuit breakers might be resettable.

Are there any fuses or components in the vehicle that I should never attempt to replace or repair myself?

Some components could need specific knowledge and equipment. In these situations, consult the owner’s manual or a specialist.

Is there a warranty that covers fuse-related issues in the 2023 GMC Sierra Denali 3500 HD

It’s recommended to check your vehicle’s warranty paperwork or the dealership for precise coverage information on fuses and electrical components as warranty coverage can vary.

Useful Link

Instrument Panel : 2023 GMC Sierra Denali 3500 HD Instrument Panel
Maintenance Schedule: 2023 GMC Sierra Denali 3500 HD Maintenance Schedule

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