2022 GMC Hummer EV Pickup Service and Repair Manual

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Factory-Grade Data

2022 GMC Hummer EV Pickup service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • Edition 1 Crew Cab Pickup 4-Door

Engines covered

  • BATTERY EV (EV/BEV)

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

Payment & Security

Payment methods

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  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Union Pay
  • Visa

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Vehicle Safety Data

2022 GMC Hummer EV Pickup Recalls & Complaints

No active recalls The 2022 GMC Hummer EV Pickup has no recalls on file with NHTSA.
TSB #11032764

Pi created to provide GM dealers with information on gathering information for projection issue

TSB #11032763

This Preliminary information communicates to dealer to perform a MEC reset for wireless projection issues

TSB #11032658

PI created to provide dealer technicians with procedures for updating Google Maps.

TSB #11032625

This Preliminary information communicates to dealers steps to follow to recover an IOK radio.

TSB #11032624

This PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display

TSB #11032622

This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

TSB #11032621

This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

TSB #11031749

This Preliminary information communicates to dealers steps to follow to obtain an IOK radio.

Showing the 8 most recent of 706 technical service bulletins on file with NHTSA.

20260128Component: VISIBILITY/WIPER

Visibility / Defogging / Defrosting issues are main safety concerns. Every winter for the last 3 years, the heater fails and blows only cold air. This is intermittent throughout the year, but recurr

20260128Component: ELECTRICAL SYSTEM

Visibility / Defogging / Defrosting issues are main safety concerns. Every winter for the last 3 years, the heater fails and blows only cold air. This is intermittent throughout the year, but recurr

20260106Component: ELECTRICAL SYSTEM

Severe recurring roof water intrusion on 2022 GMC HUMMER EV; repeated failed repairs; interior rust/corrosion; safety concerns in high‑voltage EV. Vehicle: 2022 GMC HUMMER EV Edition 1
VIN: [XXX]

20260106Component: AIR BAGS

Severe recurring roof water intrusion on 2022 GMC HUMMER EV; repeated failed repairs; interior rust/corrosion; safety concerns in high‑voltage EV. Vehicle: 2022 GMC HUMMER EV Edition 1
VIN: [XXX]

20260106Component: STRUCTURE:BODY

Severe recurring roof water intrusion on 2022 GMC HUMMER EV; repeated failed repairs; interior rust/corrosion; safety concerns in high‑voltage EV. Vehicle: 2022 GMC HUMMER EV Edition 1
VIN: [XXX]

Showing the 5 most serious of 11 complaints filed with NHTSA.

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