GM Authority

GM Keeping A Close Eye On Duramax Diesel LZ0 Engine Issues

Quality issues related to the 3.0L I6 LZ0 turbodiesel Duramax are drawing more and more attention online, and in response, GM ...
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GM recalls nearly 600,000 vehicles over engine stall defect

When General Motors recalled almost 600,000 vehicles in the United States at the beginning of 2025, it was forced to deal ...
GM Authority

GM Extends GMC Canyon Fuel Injector Flow Rate Fix

Certain units of the 2023 through 2024 GMC Canyon pickup motivated by the turbocharged 2.7L I4 L3B gasoline engine are included in a new GM Service Update containing a fix available for a fuel ...

GM's online used-vehicle marketplace lengthens warranties

GM created CarBravo in 2023 to appeal to the used market and compete with online dealerships such as Carvana Co. and CarMax ...