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2020 GMC Sierra Heavy Duty teased, and you better believe there's a huge grille

Chevrolet has shown us a few photos of its redesigned Silverado Heavy Duty, and today we score our first teaser of the GMC Sierra version of this truck. The most controversial feature of the Silverado HD has to be its massive grille, and the Sierra appears to be no different. Just from this photo of the face, we can already tell it's going to be as bold, some might say gaudy, as the Chevy. We'll have to wait awhile to see it all, though, as GM says the Sierra HD will be making its debut in the second half of 2019. It's no Supra teaser campaign, but this one is already starting out pretty early for a work pickup truck. As far as features and technical details go, mum is the word for now. However, we can assume the Sierra will be nearly identical with the Silverado HD powertrain-wise. We know two engines will be offered on that truck, one being a gasoline V8 and the other a Duramax turbodiesel V8 — the former will be mated to a six-speed automatic, while the latter gets the 10-speed auto. Even though it isn't out yet, the torque figure is already less than the Ram and Ford heavy duty trucks at 910 pound-feet from the diesel. The Ram Heavy Duty just revealed at the Detroit Auto Show scores a whopping 1,000 pound-feet of twist in the torque department. We'll know more about the Sierra HD when the Silverado HD presumably gets revealed with full details at the 2019 Chicago Auto Show at the beginning of February. One thing's for sure: If you want chrome and lots of it, you're gonna get it with the 2020 GMC Sierra HD. 2020 Chevy Silverado HD View 5 Photos Related video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

GM shows off 'digital vehicle platform' enabling more in-car tech and OTA updates

It appears to have dropped the sobriquet "Global B," but General Motors' new electrical architecture has bowed in drawings and video. This is the "digital vehicle platform" GM president Mark Reuss spoke to Reuters about in 2015, saying it would move a great deal of a vehicle's computer work to the cloud and enable over-the-air updates. Reuss took the microphone for the debut, too, saying, "Our new digital vehicle platform and its eventual successors will underpin all our future innovations across a wide range of technological advancements, including EVs and expanded automated driving." The system will go into production later this year, appearing in dealerships first either on the 2020 Cadillac CT5 or the mid-engined 2020 Chevrolet Corvette. Yes, these are the same electronics cited for delaying the launch of the C8 Corvette over excessive draw, security and getting the more-than-100 computer modules to communicate seamlessly. When Car and Driver asked about that, GM replied with "No comment." Volkswagen's having the same issues with the Mk8 Golf right now, though, so GM isn't alone, and this will be the new normal among OEMs for a while. What's certifiable is that the new architecture is robust enough to handle 4.5 terabytes of data per hour, which is five times what GM's current wiring can handle. And thanks to Ethernet connections of 100 Mbps, 1 Gbs and 10 Gbs, communication within and without the vehicle happens much faster. The advances mean better screen resolutions, better battery management for hybrids and electric vehicles, the capability for over-the-air updates and "functionality upgrades throughout the lifespan of the vehicle." Cadillac's Super Cruise has already been lined up as a leading candidate for constant improvements in the driving assistance suite, a key part of GM's "vision for a world with zero crashes, zero emissions and zero congestion." And whenever GM decides to take the plunge, it will mean a 48-volt electrical system. More than 300 specialists worked on the digital platform, and security was a huge part of the task. We've already heard that GM consulted with Boeing and military contractors on how to prevent hacking. The carmaker has an internal Product Cybersecurity group that reached out to the research community, and created a "bug bounty" program to crowdsource uncovering any flaws.

Engine block heater issues force GM to recall 324,226 diesel heavy duty trucks

General Motors has issued a recall on 324,226 diesel heavy duty trucks that could be susceptible to short circuits, and consequently, potential fire. The recall affects several models of heavy duty Chevrolet Silverados and GMC Sierras with optional engine block heaters. GM is recalling seven different truck models spread across three years. The recall affects the 2017-2019 Chevrolet Silverado 2500HD, 2017-2019 Silverado 3500HD, 2019 Silverado 4500HD, 2019 Silverado 5500HD, and 2019 Silverado 6500HD, plus the 2017-2019 GMC Sierra 2500HD and 2017-2019 Sierra 3500HD. Specifically, it includes these models with the 6.6-liter Duramax diesel engines and the optional engine block heater. The recall technically deals not with the engine block heater itself, but the way it is connected. According to NHTSA campaign No. 19V328000, the engine block heater cord or the terminals that link the cord to the heater could short circuit. A short circuit could potentially damage engine components and result in a fire. According to The Detroit News, 19 fires have been reported but nobody has been injured. GM has yet to figure out a fix, and thus has not yet released a notification schedule for affected customers. If you believe your vehicle is part of the recall, contact GM customer service at 1-586-596-1733 and use reference number N182206310.