Multimode fiber (MMF) consists of a light-guiding core embedded in a cladding with a diameter of typically only 125 µm, about the thickness of a human hair. Unlike single mode fiber, which has a core ...

GM has issued a product recall for certain examples of 2021 and 2022 Chevy LCF or Low Cab Forward 3500 and 4500 vehicles due to an issue related to the Transmission Control Module (TCM) of the GM MYD ...