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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.

Why Chrysler made the Pacifica Hybrid

There were a number of important details missing from Chrysler's debut of the Pacifica Hybrid yesterday. Pricing and availability, for example. We still don't know those specifics – Chrysler just says it will all be announced closer to launch – but we spent some time with Kevin Mets, the chief engineer for the Pacifica Hybrid, to learn more about the powertrain and why Chrysler decided to offer this vehicle at this time. "This could be a primary electric vehicle for someone." We started with the big question: why build a plug-in minivan at all? "It brings the ability that if you want an electric vehicle, a hybrid, you don't have to compromise size to get there," Mets said. "For instance just a few minutes ago I was talking to someone from Canada and they were saying in the US it's two vehicles per household is kind of the norm. In Canada it's not that way, it's more like a vehicle or even less than a vehicle. There's a lot of people that want an electrical vehicle in Canada but they can't make it their primary vehicle. This is a vehicle that could be a primary electric vehicle for someone in Canada, or anybody else for that matter, who wants a plug-in vehicle, an electric vehicle that doesn't have to compromise in size." So, was the development of the Pacifica PHEV influenced more by customers saying they wanted a plug-in hybrid minivan or was it driven more by green vehicle regulations? "That's a tough one to answer," Mets said. "Certainly you have to meet all the requirements. There's a little bit of everything there. You also can pick what vehicles you want to do it on. You pick which vehicle is the best opportunity and this is the one we chose. It's a little bit of both." As for when the Pacifica Hybrid will reach dealerships, all we know is, "late 2016." But Mets said that the minivan will at some point be available in all 50 states. Initial availability might be limited to places like California, but, "The idea is to sell it nationwide," he said. Chrysler decided on the "Pacifica Hybrid" name instead of the more-accurate "Pacifica Plug-In Hybrid" for simplicity. Anyone who might care that the minivan plugs in will find out that it, indeed, has a plug, the reasoning goes, but when Chrysler talks to the average mass market shopper, "hybrid" tells them everything they need to know. Under the hood (and the floorboards, where the batteries are) there are a lot of new bits.

FCA and Cummins named in diesel emissions class-action lawsuit

Chrysler is now the first United States-based carmaker to be sued for allegedly skewing emissions results. In a move that sounds eerily similar to the troubles of European manufacturers, Chrysler is claimed to have hid diesel engine characteristics causing emissions as much as 14 times higher than permitted by regulations. According to Bloomberg, the lawsuit alleges that Chrysler, together with its diesel engine partner Cummins, has concealed the nitrogen oxide output of certain Ram vehicles produced between 2007 and 2012. The NOx pollutants were meant to be broken down in a process called regeneration in the truck's NAC system, or NOx Absorption Catalyst, which predated the 2013-introduced SCR, or Selective Catalytic Reduction system. By design, the NAC captures and stores NOx emissions, converting them to nitrogen and oxygen through a catalytic process. The lawsuit claims the Cummins engine's system has a limited capacity to store the emissions, and as a result the pollutants escape, increasing emissions, worsening fuel consumption and wearing down the catalytic converter. The later, cleaner SCR system uses a urea-water injection, and it gradually replaced the NAC on Cummins 6.7-liter engines, as it was first implemented in 2011 and made standard in 2013. As Bloomberg notes, the model years of Ram trucks involved in the lawsuit predate the earliest Volkswagen "Dieselgate" models by two years. The lawsuit, filed on behalf of 500,000 truck owners, accuses Chrysler and Cummins of fraud, false advertising and racketeering. As an underlying motive, the filing mentions a 2001 change in EPA emissions standards. Announced to become effective in 2010, the EPA requirements drove Chrysler and Cummins to try and reach those already by 2007. However, the NAC system is said to have fallen short of these goals, and the filing claims that Chrysler and Cummins chose to "rig" the engines instead. The affected vehicles predate the 2014 merger of Chrysler and Fiat. FCA US has released a statement regarding the lawsuit, saying it will contest the lawsuit "vigorously". News Source: BloombergImage Credit: Getty Editorial Government/Legal Green Chrysler Dodge RAM Emissions Diesel Vehicles FCA cummins diesel