Automotive Fleet
MenuMENU
SearchSEARCH

General Motors Recalls More than 740,000 Pickup Trucks

Two truck recalls impacted more than 740,000 trucks including certain 2015-2016 model-year GMC Sierra and Chevrolet Silverado trucks as well as 2017-2019 models equipped with the 6.6L Duramax engine and optional heater-block cable.

July 12, 2021
General Motors Recalls More than 740,000 Pickup Trucks

The 2018-MY Chevrolet Silverado 2500 with a Duramax diesel 6.6L engine and an optional engine-block heater cord is among the pickup trucks being recalled.

Photo: General Motors

2 min to read


General Motors, LLC (GM) is recalling approximately 331,274 model-year 2017-2019 Chevrolet Silverado 2500, 3500, and 2017-2019 GMC Sierra 2500 and 3500 trucks equipped with a Duramax diesel 6.6L engine and an optional engine-block heater cord.

The automaker is also recalling approximately 410,019 model-year 2015-2016 GMC Sierra 1500, 2500, 3500, and Chevrolet Silverado 1500, 2500, and 3500 trucks. The roof-rail air bag (RRAB) inflator end cap may detach from the inflator, or the inflator sidewall may rupture.

Ad Loading...

Duramax Recall: Short Circuit in Engine Block Heater

For the model-year 2017-2019 Chevrolet Silverado 2500, 3500, and 2017-2019 GMC Sierra 2500 and 3500 vehicles equipped with a Duramax diesel 6.6L engine and an optional engine-block heater cord, an electrical short-circuit may occur in the engine-block heater cable or in the terminals that connect the heater cable to the block heater.

Dealers will disable the block heater, free of charge. GM will provide free replacement block heaters and cords under a separate customer satisfaction campaign. For vehicles previously included in recall 19V-328, the heater cord will be replaced and rerouted, free of charge.

Owner notification letters are expected to be mailed August 16, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020; and GMC customer service at 1-800-462-8782. GM's number for this recall is 212329840.

GM Truck Recall: Roof Rail Air Bag Inflator May Rupture

On some 2015-2016 GMC Sierra 1500, 2500, 3500, and Chevrolet Silverado 1500, 2500, and 3500 trucks. The roof-rail air bag (RRAB) inflator end cap may detach from the inflator, or the inflator sidewall may rupture.

Dealers will replace the left and right side RRAB modules, free of charge. Interim owner notification letters informing owners of the safety risk are expected to be mailed August 16, 2021. Owners will receive a second notice when the remedy is available. Owners may contact GMC customer service at (888) 988-7267 or Chevrolet customer service at (800) 222-1020.

Ad Loading...

This recall supersedes NHTSA recall number 20V-736. GM's number for this recall is N202324251.

NHTSA Recall Info

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at (888) 327-4236 or www.nhtsa.gov.

Originally posted on Work Truck Online

More Safety

A person with hands on the steering wheel driving
Safetyby Judie NuskeyMay 15, 2026

The Distractions You Can’t Turn Off: What Drivers Face Outside the Vehicle

Fleet drivers face constant visual, cognitive, and environmental interruptions the moment they hit the road. From roadside chaos to mental fatigue and digital overload, today’s biggest driving risks often come from outside the vehicle itself.

Read More →
Hail covers the windshield and hood of a black vehicle with text overlay about FLASH Weather AI’s new hail prediction model.
Safetyby News/Media ReleaseMay 13, 2026

FLASH Weather AI Launches First Deep-Learning Hail Prediction Model With High-Resolution Forecasting

FLASH Weather AI has launched a first-of-its-kind hail prediction model capable of forecasting hail size and arrival time at 1-kilometer resolution up to 55 minutes ahead, giving fleets and insurers critical time to prepare for severe storms.

Read More →
Coca-Cola fleet executive smiling beside graphic text reading “Rolling Dollar Signs” about the company’s trucking and fleet strategy.
Safetyby Chris BrownMay 12, 2026

How Coca-Cola United Protects Its Fleet from Growing Legal Risk

As litigation risk rises, vehicles are increasingly targeted. This Coca-Cola bottler shares how it’s reducing exposure through driver training, technology, and a proactive risk management approach.

Read More →
Ad Loading...
Two trucking industry workers talk in front of semi-trucks beside text reading, “The issue isn’t lack of safety technology — it’s lack of alignment.”
SafetyMay 12, 2026

How to Speak the Same Language on Fleet Safety

Drivers, supervisors, and data often speak different safety “languages.” Getting on the same page will drive better results.

Read More →
pictures of a lock with the words Cybersecurity 101
Safetyby Jeanny RoaMay 11, 2026

Fleet Cybersecurity 101: What You Need from Your Technology Vendors

From identity management to third-party certifications, the right technology partner should make security easier to manage. Here are the three building blocks that fleet managers need to stay in control as connected systems scale.

Read More →
Chris Brown sits across from safety experft at Lifesaver mobile in an interview about distracted driving and phone use tech.
Safetyby Chris BrownMay 1, 2026

Reducing Risk by Eliminating Phone Use Behind the Wheel

Distracted driving remains one of the most persistent risks in fleet operations. New approaches focus on removing mobile device use entirely while adding real-time safety support.

Read More →
Ad Loading...
Safetyby Jeanny RoaApril 15, 2026

Distracted Driving in the Age of Smart Tech – Part 2

As distraction risks evolve, fleets are turning to smarter, more connected technologies to better understand what’s happening behind the wheel. Part 2 explores how these tools are helping identify risky behaviors and improve visibility across operations.

Read More →
Safetyby Jeanny RoaApril 11, 2026

 Data Rights, Risks, and Responsibilities After a Crash

What fleets capture to improve safety can also expose them in litigation, forcing leaders to rethink how data is managed, stored, and shared.

Read More →
Driver holding a phone while steering, illustrating distracted driving and the importance of mental awareness and attention on the road for fleet safety.
Safetyby Judie NuskeyApril 10, 2026

From Distraction to Detection: Strengthening Awareness in Fleet Drivers

Distracted driving is often measured by what we can see—phones in hand, eyes off the road. But what about the distractions we can’t? A recent incident raises a bigger question about awareness, attention, and why subtle risks so often go unnoticed.

Read More →
Ad Loading...
Safetyby StaffApril 8, 2026

Lytx 2026 Road Safety Report

While serious crashes are declining, a rise in minor incidents and ongoing risk hotspots underscore the need for continued fleet safety investment.

Read More →