2015 GMC Terrain Service and Repair Manual

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Factory-Grade Data

2015 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

  • SL Sport Utility 4-Door
  • SLE Sport Utility 4-Door
  • Denali Sport Utility 4-Door
  • SLT Sport Utility 4-Door

Engines covered

  • 2.4L 2384CC 145Cu. In. l4 GAS DOHC Naturally Aspirated
  • 2.4L 2384CC 145Cu. In. l4 FLEX DOHC Naturally Aspirated
  • 3.6L 3564CC 217Cu. In. V6 FLEX DOHC Naturally Aspirated
  • 3.6L 3564CC 217Cu. In. V6 GAS DOHC Naturally Aspirated

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

2015 GMC Terrain Recalls & Complaints

NHTSA #22V16500017/03/2022Component: VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR

General Motors, LLC (GM) is recalling certain 2014-2015 Chevrolet Equinox and GMC Terrain vehicles. The ball joints in the windshield wiper module may corrode, causing one or both windshield wipers t

Consequence

Inoperative windshield wipers can reduce visibility in certain driving conditions, increasing the ri

Remedy

Dealers will inspect the wiper module, and repair or replace it as necessary, free of charge. Inter

NHTSA #15V66600016/10/2015Component: AIR BAGS:SIDE/WINDOW

General Motors LLC (GM) is recalling certain model year 2015 Buick LaCrosse, Cadillac XTS, Chevrolet Camaro, Equinox, Malibu, and GMC Terrain vehicles. The affected vehicles have front seat-mounted s

Consequence

In the event of a crash necessitating deployment of one or both of the side impact air bags, the air

Remedy

GM will notify owners, and dealers will replace the side impact air bag modules, free of charge. The

NHTSA #22V13700008/03/2022Component: EXTERIOR LIGHTING:HEADLIGHTS

General Motors, LLC (GM) is recalling certain 2010-2017 GMC Terrain vehicles. A reflection caused by the headlight housings may illuminate areas above the vehicle and outside of the driver's view wit

Consequence

The bright reflection may cause a glare for other drivers, reducing their visibility and increasing

Remedy

Dealers will install headlamp appliques, free of charge. Owner notification letters were mailed Sep

TSB #11030974

This preliminary information communicates information about how to determine if a wheel and tires size change is available.

TSB #11030092

This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.

TSB #11030091

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

TSB #11027601

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

TSB #11026104

This service bulletin provides information on Tire Sidewall Irregularities.

TSB #11026017

This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.

TSB #11025755

This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customers vehicles that exhibit vibration conditions without utilizing the s

TSB #11024485

The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.

Showing the 8 most recent of 1569 technical service bulletins on file with NHTSA.

20200629Component: AIR BAGSCrash reported1 injured

TL* THE CONTACT OWNS A 2015 GMC TERRAIN. THE CONTACT STATED THAT WHILE HIS WIFE WAS DRIVING APPROXIMATELY 45 MPH, THE VEHICLE SUDDENLY CRASHED INTO SECOND VEHICLE CAUSING SEVERE FRONT END DAMAGE. DURI

20180115Component: AIR BAGSCrash reported1 injured

ON THE MORNING OF 1/12/18 @ 0812 I WAS IN A FRONT END COLLISION, SO FAR THE BODY SHOP SAYS MOST LIKELY IT IS TOTALED. ONSTAR DID NOT GO OFF, ALSO THE AIRBAGS DID NOT DEPLOY. ATTACHED IS PICTURES OF MY

20171206Component: AIR BAGSCrash reported1 injured

TL* THE CONTACT OWNED A 2015 GMC TERRAIN. WHILE DRIVING 55 MPH, THE CONTACT REAR ENDED ANOTHER VEHICLE THAT HAD ABRUPTLY STOPPED. THE AIR BAGS DID NOT DEPLOY. IN ADDITION, THE SAFETY FEATURE TO STOP T

20150922Component: AIR BAGSCrash reported1 injured

IN THE EARLY MORNING OF 9-5-15 MY DAUGHTER BEGAN DRIVING HOME FROM PITTSBURGH TO DE. SHE SWERVED TO AVOID AN ANIMAL ON THE PA TURNPIKE, HIT THE JERSEY WALL ON THE RIGHT, ROLLED OVER COMPLETELY TWICE T

20150922Component: STRUCTURE:BODYCrash reported1 injured

IN THE EARLY MORNING OF 9-5-15 MY DAUGHTER BEGAN DRIVING HOME FROM PITTSBURGH TO DE. SHE SWERVED TO AVOID AN ANIMAL ON THE PA TURNPIKE, HIT THE JERSEY WALL ON THE RIGHT, ROLLED OVER COMPLETELY TWICE T

Showing the 5 most serious of 380 complaints filed with NHTSA.

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