2015 GMC Yukon Service and Repair Manual

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Factory-Grade Data

2015 GMC Yukon 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
  • Denali Sport Utility 4-Door
  • SLT Sport Utility 4-Door

Engines covered

  • 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated
  • 6.2L 6162CC 376Cu. In. V8 FLEX OHV Naturally Aspirated
  • 6.2L 6162CC 376Cu. In. V8 GAS OHV 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 Yukon Recalls & Complaints

NHTSA #19V76100024/10/2019Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED

General Motors LLC (GM) is recalling certain 2015-2020 Chevrolet Suburban, Tahoe, and GMC Yukon, and 2014-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles equipped with a 5.3-liter engine, a

Consequence

Unintended activation of the driveline-protection system will cause unintended braking on the wheel

Remedy

GM will notify owners, and dealers will reprogram the EBCM, free of charge. The recall began Decemb

NHTSA #14V00700013/01/2014Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

General Motors is recalling certain 2014 model year Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles, and 2015 model year Cadillac Escalade and Escalade ESV; Chevrolet Silverado HD; and GMC Sierr

Consequence

The overheated exhaust components may melt nearby plastic parts and may result in an engine fire.

Remedy

General Motors will notify owners, and dealers will reprogram the engine control module, free of cha

NHTSA #17V43700010/07/2017Component: AIR BAGS:FRONTAL

General Motors LLC (GM) is recalling certain model year 2014-2016 Buick Lacrosse and Chevrolet Spark EV, Caprice PPV and SS vehicles, 2014-2017 Buick Encore and Chevrolet Corvette, Silverado 1500 and

Consequence

A failure of the front air bags or seat belt pretensioners to deploy in the event of a crash necessi

Remedy

GM will notify owners, and dealers will reflash the SDM software. Vehicles that have had a previous

NHTSA #16V65100008/09/2016Component: AIR BAGS:FRONTAL

General Motors LLC (GM) is recalling certain model year 2015-2017 Chevrolet Silverado 2500 HD, 3500 HD, Tahoe, Suburban, GMC Sierra 2500 HD and 3500 HD, GMC Yukon, GMC Yukon XL, Cadillac Escalade and

Consequence

A failure of the front air bags or seat belt pretensioners to deploy in the event of a crash necessi

Remedy

GM will notify owners, and dealers will reflash the SDM software. Vehicles that have had a previous

NHTSA #19V64500006/09/2019Component: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

General Motors LLC (GM) is recalling certain 2015-2017 Cadillac Escalade, 2014-2018 Chevrolet Silverado, GMC Sierra, 2015-2018 Chevrolet Suburban, Tahoe, GMC Yukon vehicles. The amount of vacuum crea

Consequence

As the vacuum level drops, the brake assist decreases, increasing braking effort, extending the dist

Remedy

GM will notify owners, and dealers will reprogram the Electronic Brake Control Module, free of charg

TSB #11032777

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

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 #11028700

This preliminary information communicates an issue with aftermarket LED headlights causing IPC warning messages and MIL along with several low speed lan DTCs.

TSB #11027698

This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier listed in the bulletin.

TSB #11027689

This PI communicates the proper part numbers for transmission connectors and internal harness to prevent confusion when ordering

TSB #11027601

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

Showing the 8 most recent of 2530 technical service bulletins on file with NHTSA.

20260505Component: STEERINGCrash reported2 injured

My 6 year old son and I were coming down the road and came up on 2 deer and I was coming up on a sharp curve and when I hit my brakes my steering wheel LOCKED up completely and the steering wheel is s

20260505Component: SERVICE BRAKESCrash reported2 injured

My 6 year old son and I were coming down the road and came up on 2 deer and I was coming up on a sharp curve and when I hit my brakes my steering wheel LOCKED up completely and the steering wheel is s

20260505Component: AIR BAGSCrash reported2 injured

My 6 year old son and I were coming down the road and came up on 2 deer and I was coming up on a sharp curve and when I hit my brakes my steering wheel LOCKED up completely and the steering wheel is s

20260504Component: AIR BAGSCrash reported2 injured

The contact owns a 2015 GMC Yukon. The contact stated that while driving at 40 MPH, the rear brakes became inoperable, causing the steering wheel to seize, with no warning lights illuminated. Due to

20260504Component: SERVICE BRAKES, HYDRAULICCrash reported2 injured

The contact owns a 2015 GMC Yukon. The contact stated that while driving at 40 MPH, the rear brakes became inoperable, causing the steering wheel to seize, with no warning lights illuminated. Due to

Showing the 5 most serious of 680 complaints filed with NHTSA.

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