2015 Chevrolet Silverado 1500 Service and Repair Manual

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Factory-Grade Data

2015 Chevrolet Silverado 1500 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

  • WT Crew Cab Pickup 4-Door
  • LS Extended Cab Pickup 4-Door
  • LT Standard Cab Pickup 2-Door
  • LT Crew Cab Pickup 4-Door
  • WT Extended Cab Pickup 4-Door
  • LTZ Extended Cab Pickup 4-Door
  • LTZ Crew Cab Pickup 4-Door
  • SSV Crew Cab Pickup 4-Door
  • LT Extended Cab Pickup 4-Door
  • High Country Crew Cab Pickup 4-Door
  • LS Standard Cab Pickup 2-Door
  • LS Crew Cab Pickup 4-Door
  • WT Standard Cab Pickup 2-Door

Engines covered

  • 4.3L 262Cu. In. V6 FLEX OHV Naturally Aspirated
  • 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated
  • 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated
  • 6.2L 6162CC 376Cu. In. V8 GAS OHV Naturally Aspirated
  • 4.3L 262Cu. In. V6 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 Chevrolet Silverado 1500 Recalls & Complaints

NHTSA #18V57800030/08/2018Component: SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES

General Motors LLC (GM) is recalling certain 2015-2016 Chevrolet Silverado 2500, 3500, 1500 Crew Cab Special Service, Tahoe Police Pursuit/Special Service, GMC Sierra 2500, and 350

Consequence

If the brake pedal becomes loose or inoperative, the driver may be unable to stop the vehi

Remedy

GM will notify owners, and dealers will add adhesive to the nut and reinstall the nut with

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

Consequence

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

Remedy

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

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,

Consequence

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

Remedy

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

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, C

Consequence

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

Remedy

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

NHTSA #21V24500008/04/2021Component: SEAT BELTS:FRONT

General Motors, LLC (GM) is recalling certain 2014-2016 Chevrolet Silverado 1500, 2015-2016 Chevrolet Tahoe, and 2014-2015 GMC Sierra 1500 vehicles that may have received an incorr

Consequence

A broken pretensioner cable reduces the effectiveness of the driver's seat belt, increasin

Remedy

GM will notify owners, and dealers will replace the driver seat belt lap pretensioner, fre

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 a

Consequence

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

Remedy

GM will notify owners, and dealers will reprogram the Electronic Brake Control Module, fre

NHTSA #16V06900005/02/2016Component: SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES

General Motors LLC (GM) is recalling certain model year 2015-2016 Chevrolet Silverado 1500, 2500, and 3500 heavy duty trucks manufactured October 1, 2013, to February 1, 2016, 2015

Consequence

If the brake pedal becomes loose or inoperative, the driver may be unable to stop the vehi

Remedy

GM will notify owners, and dealers will add adhesive to the brake pedal pivot nut and rein

NHTSA #21V50400001/07/2021Component: AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR

General Motors LLC (GM) is recalling certain 2015-2016 GMC Sierra 1500, 2500, 3500, and Chevrolet Silverado 1500, 2500, and 3500 trucks. The roof-rail air bag (RRAB) inflator end

Consequence

A separated inflator end cap or inflator rupture can allow compressed gas to escape, resul

Remedy

Dealers will replace the left and right side RRAB modules, free of charge. Interim owner

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 1279 technical service bulletins on file with NHTSA.

20181210Component: AIR BAGSCrash reportedFire reported1 injured

TL* THE CONTACT OWNS A 2016 CHEVROLET SILVERADO 1500. WHILE DRIVING APPROXIMATELY 45 MPH AND ATTEMPTING TO MERGE TO THE RIGHT LANE, THE CONTACT CRASHED INTO THE REAR OF ANOTHER VEH

20181210Component: ELECTRICAL SYSTEMCrash reportedFire reported1 injured

TL* THE CONTACT OWNS A 2016 CHEVROLET SILVERADO 1500. WHILE DRIVING APPROXIMATELY 45 MPH AND ATTEMPTING TO MERGE TO THE RIGHT LANE, THE CONTACT CRASHED INTO THE REAR OF ANOTHER VEH

20160518Component: AIR BAGSCrash reported3 injured

I WAS STATIONARY, WAITING FOR ON COMING TRAFFIC TO CLEAR SO I COULD TURN LEFT WHEN I WAS HIT FROM BEHIND BY A VEHICLE DOING AT LEAST 70. I WAS THROWN INTO ON COMING TRAFFIC WHERE I

20210614Component: AIR BAGSCrash reported2 injured

The side impact airbags failed to deploy. I was ( T Boned) side impacted with such force to propel my my truck 90 degrees and into the ditch. I was wearing my seatbelt. The other d

Showing the 4 most serious of 1407 complaints filed with NHTSA.

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