The Forward Collision/Active Safety System may be inoperative on some 2018-2019 Tahoe, Suburban, Yukon, and Escalade models. DTCs B390A 45 (Short Range Object Sensor – Variant Not Programmed), B390A 58 (Short Range […]

Some 2011-2019 Volt, 2014-2016 ELR, 2017-2019 CT6, and 2017-2019 Bolt EV models may pull to the left or right when the regenerative braking paddle on the back-left side of the […]

The 1.4L 4-cylinder engine (RPO LE2, LV7) and 1.5L 4-cylinder engine (RPO LYX, LFV, L3A) on 2016-2019 Encore, Cruze, Equinox, Malibu, Spark, Trax, Volt, and Terrain models features a Positive […]

Corroded or stripped electrical ground connections can cause a loss of module communication and other electrical system malfunctions, leading to unnecessary repairs and parts replacement. The electrical system relies on […]

GM Customer Care & Aftersales, GMC and GMC dealers are hosting the 7th Annual Honoring Our Heroes Gala to help raise funds to build custom-designed, mortgage-free Smart Homes that meet […]

There may be several electrical conditions on some 2017-2018 Silverado and Sierra and 2019 Silverado LD and Sierra Limited models. The conditions may include several illuminated brake and traction control […]

Some 2018-2019 Express and Savana vans equipped with the 4.3L V6 engine (RPO) LV1 may have a hard start condition, broken fan belt, loss of power steering or loss of […]

When replacing the control valve body on the 10-speed automatic transmission (RPO MQB) on 2019 CT6, Silverado 1500 and Sierra 1500 models, some of the bolts are one-time use bolts […]

First responder information regarding various hybrid and electric vehicles (EV) produced by GM is available online at GMSTC.com for emergency personnel. The information can help first responders in learning about […]

The monthly GM Service Know-How Emerging Issues seminars provide service/technical information on current issues and GM certified repairs. The latest service topics from GM Brand Quality and Engineering covered in […]

The new 2019 Chevrolet Silverado 4500HD, 5500HD, 6500HD chassis cab models (Fig. 1) are the newest entries in the medium-duty truck market. The trucks are available as regular and crew […]

The new 2019 Chevrolet Silverado 4500HD, 5500HD, 6500HD chassis cab models are equipped with a standard 6.6L Duramax diesel V8 engine (RPO L5D) and Allison 6-speed automatic transmission. (Fig. 8) […]

The GM Upfitter Integration website — gmupfitter.com — offers a variety of valuable information and assistance for technicians and other personnel, including the latest bulletins involving upfitter equipment and technical […]

When shipping any automotive hazardous materials, such as air bags, seat belt pretensioners, brake boosters, compressed gas shocks, batteries, paint, solvents, and other parts, to the Warranty Parts Center (WPC), […]

A lack of engine performance along with an incorrect low fuel range display may be found on some 2017-2018 Acadia, Enclave, Traverse and XT5 models equipped with the 3.6L V6 […]

Some 2011-2015 Volt; 2011-2016 Cruze; 2012-2019 Sonic; 2013-2019 Encore, Trax; and 2014-2017 ELR models equipped with the 1.4L 4-cylinder engine (RPOs LUV, LUU) (Fig. 17) may have a tick or […]

A rubbing or popping sound coming from the front of the vehicle while making a sharp turn at low speeds may be heard on some 2019 Blazer models. One or […]

The infotainment system may display a “Navigation service has expired.” message on some 2018-2019 Regal, ATS, CTS, XTS, Terrain; 2019 CT6, XT4, Blazer, Camaro, Colorado, Equinox, Malibu, Silverado, Volt, Canyon […]