GM has issued a voluntary emission recall for the 2024 Chevy Silverado HD and 2024 GMC Sierra HD equipped with the 6.6L V8 L5P turbodiesel Duramax engine, which may have an incorrectly adjusted ...
The 2023 GMC Canyon is included in a new service bulletin issued by GM issued that describes a fix for an incorrectly calibrated engine control module (ECM) that may not properly control the fuel ...