2019 GMC Sierra 1500 Service and Repair Manual

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Factory-Grade Data

2019 GMC Sierra 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

  • AT4 Crew Cab Pickup 4-Door
  • Base Standard Cab Pickup 2-Door
  • SLT Crew Cab Pickup 4-Door
  • Base Extended Cab Pickup 4-Door
  • Denali Crew Cab Pickup 4-Door
  • SLE Crew Cab Pickup 4-Door
  • Base Crew Cab Pickup 4-Door
  • SLT Extended Cab Pickup 4-Door
  • SLE Extended Cab Pickup 4-Door
  • AT4 Extended Cab Pickup 4-Door
  • Elevation Crew Cab Pickup 4-Door
  • Elevation Extended Cab Pickup 4-Door

Engines covered

  • 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated
  • 6.2L 6162CC 376Cu. In. V8 GAS OHV Naturally Aspirated
  • 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated
  • 4.3L 262Cu. In. V6 GAS OHV Naturally Aspirated
  • 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

2019 GMC Sierra 1500 Recalls & Complaints

NHTSA #20V05500030/01/2020Component: SERVICE BRAKES, HYDRAULIC:POWER ASSIST

General Motors LLC (GM) is recalling certain 2019 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles. These vehicles received updated software for the Electronic Brake Control Module (EBCM). This

Consequence

A loss of electronic brake assist can increase the risk of a crash.

Remedy

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

NHTSA #21V11500025/02/2021Component: TIRES

General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT4, XT5, Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, Traverse, GMC Yukon, Yukon XL, 2018-2021 Chevrolet Express, GMC S

Consequence

Over cured tires may develop a break in the sidewall resulting in sudden air loss or a belt edge sep

Remedy

GM will notify owners, and dealers will inspect the tires, replacing them as necessary, free of char

NHTSA #20V65000022/10/2020Component: POWER TRAIN:DRIVELINE:DRIVESHAFT

General Motors LLC (GM) is recalling certain 2019-2020 Chevrolet Silverado 1500 and GMC Sierra 1500 and 2020 Chevrolet Silverado 2500 trucks. One of the driveshaft joints may not have been properly w

Consequence

If the driveshaft separates, there may be a loss of propulsion, increasing the risk of crash.

Remedy

GM will notify owners, and dealers will replace the driveshaft, free of charge. The recall is expec

NHTSA #21V98500016/12/2021Component: TIRES:TEMPORARY/EMERGENCY SPARE TIRE

General Motors (GM) is recalling certain 2019-2021 GMC Sierra 1500 and Silverado 1500 vehicles equipped with certain accessory road tires and a 17" spare tire. The 17" spare tire provided with the ve

Consequence

An ABS system that does not function properly can increase the risk of a crash.

Remedy

Dealers will provide a new 17" spare tire and wheel assembly that is compatible with the accessory w

NHTSA #19V81400014/11/2019Component: SEAT BELTS:PRETENSIONER

General Motors LLC (GM) is recalling certain 2019-2020 Chevrolet Silverado 1500 and GMC Sierra 1500, and 2020 Silverado 2500, Silverado 3500, Sierra 2500, and Sierra 3500 vehicles equipped with carpet

Consequence

A vehicle fire could result if materials ignite inside the vehicle.

Remedy

GM will notify owners, and dealers will close off the opening in the pretensioner bracket, free of c

NHTSA #19V88800012/12/2019Component: ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES

General Motors LLC (GM) is recalling certain 2019-2020 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks. The battery positive (B+) cable rings may have been manufactured with excessive glue, poten

Consequence

An intermittent electrical connection between the B+ battery cable and the alternator could cause th

Remedy

GM will notify owners, and dealers will inspect for the presence of glue or other contamination at t

NHTSA #19V88900012/12/2019Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED

General Motors LLC (GM) is recalling certain 2019 Chevrolet Silverado 1500, Cadillac CT6, and GMC Sierra 1500 vehicles. Due to an Electronic Brake Control Module (EBCM) software error, the vehicle's

Consequence

If the driver operates the vehicle unaware that ESC and ABS are not functioning, there is an increas

Remedy

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

NHTSA #18V86800006/12/2018Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

General Motors LLC (GM) is recalling certain 2019 Chevrolet Silverado 1500 Crew Cab and GMC Sierra 1500 Crew Cab vehicles. The passenger-side frontal air bag module may have been damaged during assem

Consequence

In the event of a crash, an air bag that does not inflate properly can increase the risk of injury.

Remedy

GM will notify owners, and dealers will replace the passenger side air bag module, free of charge.

TSB #11032777

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

TSB #11032659

This PI provide diagnostic tip for an SES MIL with DTC P16A7 and/or P16AF. Dealers are to inspect for a loose connection.

TSB #11031551

This message is to inform dealers that Special Coverage N262548050 is being temporarily suspended for the models above. Involved vehicles will be temporarily removed from IVH. Dealers will be notified when repairs can be resumed. We apologi

TSB #11031510

Certain vehicles, may have a condition that could cause the Catalytic Converter to fail. If this failure occurs, the Malfunction Indicator Light (Check Engine Light) will illuminate, and a diagnostic trouble code will set. Dealers are to re

TSB #11031509

This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended a

TSB #11030974

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

TSB #11030353

This PI was created to help avoid unnecessary front camera module replacements

TSB #11030170

This PI was created to help avoid unnecessary front camera module replacements

Showing the 8 most recent of 1737 technical service bulletins on file with NHTSA.

20200702Component: SERVICE BRAKESCrash reported2 injured

TL* THE CONTACT OWNED A 2019 GMC SIERRA. THE CONTACT HAD A RECALL FOR THE BRAKES AND HAD THEM REPAIRED. THE VEHICLE WAS SITTING IN A PARKED POSITION AND EVERYTHING SHUT DOWN. THE VEHICLE HAD NO POWER

20260317Component: ENGINECrash reported

This truck is equipped with the 6.2L L87 and the motor seized up and shut off with no dash light warning and i stalled and rolled over a curb! This is very dangerous and now i have to pay 10k + out of

20260311Component: ENGINECrash reported

Engine shut off while driving and steering wheel wouldn’t let me turn and I drove up on a curb into someone’s yard , There should be a recall on these trucks with the 6.2L in the year 2019, this i

20240423Component: WHEELSCrash reported

While making a righthand turn at approximately 10-15 mph, my passenger side front wheel failed at the ball joint and collapsed. Reviewing the carfax, this is the 2nd time this has happened to this veh

20240423Component: STEERINGCrash reported

While making a righthand turn at approximately 10-15 mph, my passenger side front wheel failed at the ball joint and collapsed. Reviewing the carfax, this is the 2nd time this has happened to this veh

Showing the 5 most serious of 827 complaints filed with NHTSA.

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