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Stellantis aims to eliminate separate inverter, charger to improve EV efficiency

Stellantis has announced that, in collaboration with French battery company Saft and French National Center for Scientific Research, has made significant progress in eliminating two major components of an electric vehicle powertrain: the on-board charger and the power inverter for the motor. The company claims that doing this will allow for better space use in vehicles, as well as improvements in efficiency, cost and reliability of components. As a quick primer, also explained in the below video, the on-board charger and power inverter are sort of translators to get the right current to different parts of the electric powertrain. The on-board charger takes AC power from the grid and converts it to DC to charge the batteries. Then when power goes from the batteries to the electric motor, the power inverter converts that DC power back to AC. These components aren't exactly small. Frequently you'll find them packaged somewhere under the hood. What Stellantis and its cohorts have developed, and have been using on a test vehicle since last summer, are small power inverter boards that can be mounted very closely to the battery packs. They can handle both conversion needs, for charging and discharging, instead of needing two separate devices. The most obvious perk to this is that you can do away with those traditional components and free up more space, either for making smaller vehicles without losing interior volume, or adding space to a vehicle that wouldn't have had it otherwise. There's the additional benefit of reduced weight, something that EVs struggle with. Stellantis also claims improvements in efficiency, reliability, and cost, however, it didn't go into detail as to how this setup would do that exactly. We'll try to get in touch with representatives from Stellantis in order to get more information. We're still a ways out from seeing this technology in production Stellantis vehicles. The company said it aims to apply it to vehicles by the end of the decade. Saft is also looking at using it on stationary battery systems as well. So maybe we'll see it on a 2029 Ram 1500 REV, but for now, we'll be living with traditional chargers and inverters. Related Video: Green Alfa Romeo Chrysler Dodge Fiat RAM Technology Electric

NHTSA investigating power modules on Chrysler Group SUVs and minivans

The Center for Auto Safety is officially petitioning the National Highway Traffic Safety Administration to begin scrutinizing alleged problems with the totally integrated power module (TIPM) on about 24 Chrysler Group SUVs and minivans. The advocacy group claims that the part's failure can cause affected vehicles to stall or not start at all. NHTSA is still looking into the accusations and deciding whether a full investigation is actually warranted.
The CAS petition claims at least 70 TIPM failures, but according to NHTSA, six of the complaints are for models that don't have the modules. In 34 of the reported cases, the vehicles refused to start, and in 17 of them the engine stalled. There were also two allegations of smoke and one of a fire. However, none of these affected airbag deployment or resulted in a crash.
This petition isn't the first TIPM-related problem for Chrysler Group. A recent report in the New York Times alleged that it found 240 complaints potentially related to the issue on NHTSA's website alone. In September, the automaker also recalled 230,760 examples worldwide (188,723 in the US) of the 2011 Jeep Grand Cherokee and Dodge Durango replace the fuel pump relay circuit inside of the TIPM-7 with one external to the unit. The original part could allegedly cause the models to stall without warning. Even earlier, the company also recalled about 80,000 examples of the Jeep Wrangler and Dodge Nitro in 2007 to have the module reprogrammed.

Ram recalling 1,747 diesel trucks for short-circuit risk

Diesel-powered Ram owners, it's recall time. Fiat Chrysler Automobiles has announced a voluntary recall of 1,747 Ram 1500 EcoDiesels from model years 2014 and 2015. Why so few? Well, this campaign is limited to just rear-wheel-drive models. The problem, this time around, is with a battery wiring harness that will chafe against a bracket if it wasn't assembled properly. This chaffing can lead to a short, causing a loss of power (the best-case scenario) or even a fire (probably the worst-case scenario). Fortunately, FCA is unaware of any accidents, fires, or other injuries caused by short circuits. The affected vehicles were sold in both the US and Canadian markets, although the vast majority of the trucks, 1,697 to be precise, are here in the land of the free and home of the brave. The remaining 50 vehicles were sold in Canada, and were likely purchased by those crazy enough to drive a high-torque, rear-drive pickup in a country almost perpetually covered in snow and ice. Regardless of whether your truck has an illuminated dashboard warning light or not, FCA is encouraging drivers of the affected vehicles to report to dealers for a free service when they receive a recall notice. Scroll down for the official press release from FCA, as well as the bulletin from the National Highway Traffic Safety Administration. Statement: Wiring Harness September 9, 2015 , Auburn Hills, Mich. - FCA US LLC is recalling an estimated 1,747 trucks in the U.S. and Canada to inspect, reroute and replace – as required – their wire harnesses to prevent a potential short-circuit. An investigation by FCA US discovered a battery wiring harness may chafe against a bracket if assembly protocols were not followed. This condition is limited to vehicles equipped with diesel engines and 4x2 drivelines. Such a condition has the potential to cause a short-circuit, which may lead to power loss or fire. The Company is unaware of any related injuries, accidents or fires. The campaign is limited to certain 2014-15 Ram 1500 pickups. It is estimated there are 1,697 in the U.S. and 50 in Canada. Affected customers will be advised next month when they may schedule service, which will be performed at no cost. While the condition may not be present in every vehicle, FCA US urges customers to note the information on their recall notices and respond accordingly. Illumination of a dashboard warning light is among the indicators that the condition is present.