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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.

2015 Jeep Cherokee finds a bit more fuel mileage thanks to stop/start and aero tweaks

Just a year after it burst onto the scene, Jeep has already made a pretty substantial addition to its V6-powered Cherokee, which has proven to be an extremely popular seller so far for the brand, adding a new stop-start system for the midsize, off-road-ready CUV.
The addition of stop-start included a few aerodynamic tweaks to the Cherokee's polarizing body, resulting in a wallet-pleasing increase in fuel economy. According to the EPA, the front-drive, V6-powered Jeep will now return 21 miles per gallon in the city and 29 mpg on the highway, up from 19 city and 28 highway. Four-wheel-drive, V6-powered Cherokees, meanwhile, will now return 20 mpg in the city and 28 mpg on the highway, up from 19 mpg in the city and 27 mpg.
With 271 horsepower, 239 pound-feet of torque and these newly enhanced figures, it's refreshing to see a larger, naturally aspirated engine that is still able to take the fight to today's crop of small-displacement, turbocharged four-cylinders.

Jeep Grand Cherokee redesign delayed

The launch of the next-gen Jeep Grand Cherokee is being now being pushed back until late 2018 or even into 2019, Jeep CEO Mike Manley indicated Friday, according to Automotive News citing a Reuters report. Under the original five-year plan, the SUV was supposed to be replaced in the third quarter of 2017. That would have made for a big year for Jeep with a refreshed Renegade and new Wrangler also slated for 2017. A delayed Grand Cherokee could send ripples through Jeep's product plans. The three-row Grand Wagoneer is meant to give the brand a vehicle to take on the Land Rover Range Rover, but it's supposed to use the same platform as the Grand Cherokee. This change is rumored to push that important model's launch further back. There's less uncertainty when it comes to the next-gen Wrangler. Manley said that the model was "broadly on track," according to Automotive News. The five-year plan aimed for a launch in the second quarter of 2017. Controversy, however, has swirled over possible plans to move the Wrangler from its longtime Toledo, OH, factory. One problem Jeep doesn't have to worry about right now is sales. According to Automotive News, Manley said volume was up 20 percent globally and could reach 1.2 million by the end of the year. He also indicated the brand was "on pace" to reach its 1.9-million-vehicle goal for 2018. The Grand Cherokee delay comes in the wake of rumors that FCA US is shuffling around its previous five-year vehicle launch plan to postpone several models. Related Video: