2024 GMC Terrain Service and Repair Manual

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Factory-Grade Data

2024 GMC Terrain 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

  • SLE Sport Utility 4-Door
  • Black Edition Sport Utility 4-Door
  • AT4 Sport Utility 4-Door
  • Denali Sport Utility 4-Door
  • SLT Sport Utility 4-Door

Engines covered

  • 1.5L 1490CC 91Cu. 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

2024 GMC Terrain Recalls & Complaints

NHTSA #23V86900021/12/2023Component: STRUCTURE:BODY:DOOR

General Motors, LLC (GM) is recalling certain 2024 Chevrolet Blazer, Blazer EV, Equinox, and GMC Terrain vehicles. The door strikers may fracture, resulting in the door opening unexpectedly.

Consequence

A door opening while the vehicle is being driven can increasing the risk of injury or a crash.

Remedy

Dealers will replace all four door strikers and attaching bolts, free of charge. Owner notification

TSB #11032785

This Preliminary Information communicates a intermittent misfire, surge, hesitation, chuggle with a potential MIL concerning a potential skewed position 1 oxygen sensor. 2026 model year being added with break point.

TSB #11032784

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

TSB #11032767

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

TSB #11032766

PI created to guide technicians through radio restriction process

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 #11032559

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

TSB #11031514

This preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the

Showing the 8 most recent of 360 technical service bulletins on file with NHTSA.

20260415Component: AIR BAGSCrash reported1 injured

The contact owned a 2024 GMC Terrain. The contact stated that while her daughter was driving 5 MPH on an intersection, another vehicle driving 40 MPH crashed into the driver's side of the vehicle, by

20260413Component: FIRERELATEDFire reported1 injured

See attached document for complaint.

20260427Component: FUEL/PROPULSION SYSTEM

On January 16, 2026 our 2024 GMC Terrain Denali experienced complete loss of power. The car was unmovable from the road, unable to shift into neutral, and unable to release the braking system in addit

20260427Component: SERVICE BRAKES

This is a continuation for NHTSA campaign number 11711615. While an additional NHTSA complaint has been filed for the power train, this focuses specifically on design failures in the braking system. O

20260427Component: FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING

This is a continuation for NHTSA campaign number 11711615. While an additional NHTSA complaint has been filed for the power train, this focuses specifically on design failures in the braking system. O

Showing the 5 most serious of 65 complaints filed with NHTSA.

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