2023 GMC Canyon Service and Repair Manual

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Factory-Grade Data

2023 GMC Canyon 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

  • AT4 Crew Cab Pickup 4-Door
  • Denali Crew Cab Pickup 4-Door
  • AT4X Crew Cab Pickup 4-Door
  • Elevation Crew Cab Pickup 4-Door

Engines covered

  • 2.7L 2720CC 166Cu. In. l4 GAS DOHC Turbocharged

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

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Vehicle Safety Data

2023 GMC Canyon Recalls & Complaints

NHTSA #24V13300022/02/2024Component: ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR

General Motors, LLC (GM) is recalling certain 2023 Chevrolet Colorado and GMC Canyon vehicles. The front camera module (FCM) system may falsely detect an obstacle, causing the automatic emergency bra

Consequence

Unexpected automatic emergency braking can cause the vehicle to abruptly stop or slow down, increasi

Remedy

Dealers will update the front camera module (FCM) software, free of charge. Owner notification lett

TSB #11032784

This Preliminary information communicates to dealers a procedure to reset the radio.

TSB #11032777

This PI provides diagnostic tips for diagnosing electric trailer brakes issues.

TSB #11032768

This PI states that if SDGM DTC P0604/P0607 is set and no other SDGM DTCs are present, clear DTCs and reset the SDGM. Advises of how to contact PQC to authorize SDGM replacement.

TSB #11032767

This Preliminary information communicates to dealers a procedure to reset the radio.

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 #11032620

This Preliminary information communicates to GM technicians to not replace any parts at this time if they come across this concern to reset the radio at this time. The PI will be updated or replaced with TSB once a determination has been ma

TSB #11032619

This Preliminary information communicates to dealership technicians to perform the reset for the 2 modules noted above.

Showing the 8 most recent of 596 technical service bulletins on file with NHTSA.

20250118Component: SERVICE BRAKES1 injured

Since I purchased the vehicle it’s had the issue of it braking on its own. I brought this up to GMC many times. At the beginning they had me try to duplicate it with them, which I thought would be u

20250118Component: FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING1 injured

Since I purchased the vehicle it’s had the issue of it braking on its own. I brought this up to GMC many times. At the beginning they had me try to duplicate it with them, which I thought would be u

20250118Component: FORWARD COLLISION AVOIDANCE: WARNINGS1 injured

Since I purchased the vehicle it’s had the issue of it braking on its own. I brought this up to GMC many times. At the beginning they had me try to duplicate it with them, which I thought would be u

20260422Component: ENGINE

Coolant leak observed at the upper radiator hose quick-connect fitting. The leak appears to originate from the internal seal at the radiator inlet connection. This issue developed without warning and

20260422Component: UNKNOWN OR OTHER

Coolant leak observed at the upper radiator hose quick-connect fitting. The leak appears to originate from the internal seal at the radiator inlet connection. This issue developed without warning and

Showing the 5 most serious of 92 complaints filed with NHTSA.

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