GMC Hummer EV 2023 Factory Workshop Service Repair Manual

GMC Hummer EV 2023 Factory Workshop Service Repair Manual

These are the same manuals used by professionals to diagnose and repair these models.

Loaded with illustrations, instructions, photos, and diagrams, complete to service and repair your vehicle. Read and print pages directly or copy the entire manual to your hard drive.

CD COVER:

GMC Hummer EV 2023 Service Manual

SERVICE MANUAL COVER:

Engine

Plug-in Charging

12 V Starting and Charging

Engine Controls

Engine Heating and Cooling

Engine Mechanical

Body Hardware and Trim

Exterior Trim

Floor Coverings and Headlinings

Instrument Panel and Console Trim

Interior Trim and Paneling

Body Repair

Bolted Exterior Body Panels and Closures

Bumpers and Fascias

Collision Repair

Frame and Underbody

Paint and Coatings

Body Systems

Horns and Pedestrian Alerts

Lighting

Mirrors

Vehicle Access

Wipers and Washers

Brakes

Antilock Brake System

Disc Brakes

Hydraulic Brakes

Park Brake

Diagnostic Overview, Starting Point, and Programming

Driveline and Axle

Wheel Drive Shafts

Driver Information and Entertainment

Active Noise Cancellation

Cellular, Entertainment, and Navigation

Displays and Gauges

Image Display Cameras

General Information

Air|Wind Noise

Maintenance and Lubrication

Vibration Diagnosis and Correction

Waterleaks

HVAC

Heating, Ventilation, and Air Conditioning

Preface

Dangers, Warnings, and Cautions

Roof

Removable Top

Safety and Security

Driver Assistance Systems

Immobilizer

Parking Assistance Systems

Remote Functions

Seat Belts

Supplemental Restraints

Theft Deterrent

Seats

Seat Hardware, Trim, and Upholstery

Seat Heating and Cooling

Steering

Power Steering

Steering Wheel and Column

Suspension

Front Suspension

Rear Suspension

Suspension General Diagnosis

Tire Pressure Monitoring

Tires and Wheels

Wheel Alignment

Transmission

Automatic Transmission

Electronic Transmission Range Select

Transmission Cooling

Drive Motor Power

Drive Motor Battery

Battery Energy

Hybrid Electric Vehicle Battery

High Voltage Battery

Plug-in Charging

This manual is the same as the manual used by workshops. Service Manual contains detailed instructions and step by step diagrams for all workshop procedures.

Language: English 
Format: PDF

COMPATIBLE WITH ALL WINDOWS & MAC COMPUTERS 
(WINDOWS 11, WINDOWS 10, WINDOWS 8 ETC.)

Windows/Mac/Tablet/Phone Friendly

• Pickup:
  • EV2X

     and 

    EV3X

     trims: 625 horsepower dual-motor setup or 830 horsepower tri-motor setup, providing up to 311 miles and 355 miles of range, respectively.

  • Edition 1 trim

    : Uses a 1,000 horsepower tri-motor setup, enabling a 0–60 mph sprint in 3.3 seconds and offering an EPA-estimated 329 miles of range.

• SUV:
  • EV2

     and EV2X trims: 625 horsepower dual-motor setup, with estimated ranges of 250+ and 300+ miles, respectively.

  • EV3X and Edition 1 trims: 830 horsepower tri-motor setup, yielding up to 314 miles of range.
• Charging: An 800-volt electrical architecture allows for fast DC charging at up to 350 kW on most trims. 

• CrabWalk: A four-wheel steering feature that allows the vehicle to drive diagonally at low speeds.
• Extract Mode: The adaptive air suspension can lift the vehicle up to 6 inches to overcome large obstacles.
• UltraVision: A camera system with up to 18 views, including underbody cameras, for navigating tough terrain.
• Extreme Off-Road Package: Optional on some trims, it adds underbody armor, rock sliders, and 35-inch mud-terrain tires. 

• Infotainment: A large 13.4-inch central touchscreen is powered by the Unreal Engine from Epic Games, providing unique graphical interfaces.
• Displays: A 12.3-inch digital instrument cluster is also standard.
• Removable Roof: The “Infinity Roof” includes four removable “Sky Panels” that can be stored in the front trunk (eTrunk).
• Super Cruise: GM’s hands-free driver-assistance system is included on compatible roads. 

• Battery enclosure recall: In 2022 and 2023, certain Hummer EVs were recalled because of an improperly sealed high-voltage battery pack enclosure that could allow water to enter, causing a loss of power.
• Seat belt recall: A recall was issued in late 2023 for improperly torqued front seat belt buckle bolts on some 2023–2024 models.
• Weight and handling: The Hummer EV’s massive weight (over 9,000 lbs) impacts its braking performance and overall efficiency compared to smaller electric vehicles.