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Auto blog

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.

Chrysler 3.0L EcoDiesel V6: Autoblog Technology of the Year finalist

Offering a diesel engine in an American pickup is anything but new - Ford, General Motors and Chrysler all offer excellent and almost impossibly powerful oil-burning engines in their various fullsize trucks. What is new and novel about the 3.0L EcoDiesel, though, is its size, and the variety of vehicles that use it. It's the smallest engine, as far as displacement is concerned, currently offered in a large truck in the US, and, for 2014 and 2015, it is available in the Ram 1500 and the Jeep Grand Cherokee.
Though it may be small, it's got muscle. While 240 horsepower isn't particularly impressive these days, the engine's 420 pound-feet of torque more than makes up for that. The torque rating is even greater force than even the big 5.7-liter Hemi can muster. Chrysler's well-regarded eight-speed automatic transmission makes the most of all that bull-headed pulling power in both the Ram and Grand Cherokee. Chrysler claims the Ram EcoDiesel 1500 can tow as much as 9,200 pounds when properly equipped, which makes it "90-percent of the Hemi with a night and day difference in fuel economy."
Make no mistake; it's that promise of a sizable fuel economy improvement that many long-haul truckers will be most interested in. In the Ram 1500 that we tested for our Tech of the Year competition, the diesel engine costs $2,850 more than the gas-fed V8, and Ram estimates that EcoDiesel buyers will pay off their investment when compared to the Hemi engine in less than three years, which is considerably less time than the 4.5 or so years the average buyer will keep his or her fullsize pickup. The more you drive, the more you'll save, and the math proves equally as effective in the Jeep Grand Cherokee.

Best places to get your car maintained and repaired

In this era of rampant inflation and high interest rates, the challenges of acquiring a car or SUV have been well documented. And so it has never been more important to protect that expensive investment by maintaining it. In recent months, Autoblog has shared Consumer Reports' evaluation of the least and most expensive car brands to keep running, as well as tips to prolong a car’s useful life. Especially since the pandemic, a number of factors have impacted these costs: more complex vehicles, new materials and manufacturing methods, a shortage of qualified technicians and replacement parts. Since 2022, repairs costs have jumped each year by about 10 percent. This month, Consumer Reports is offering a useful primer on keeping your ride in great shape, suggesting what might be the best options for searching out a repair shop, depending, as CR says, “on your car and your situation.” Author Ben Preston identifies three basic types of repair facilities: dealership service departments, independently owned repair shops, and chain repair shops. Building up trust with a specific shop and feeling comfortable going there is important. Preston quotes John Ibbotson, chief mechanic at Consumer ReportsÂ’ Auto Test Center: "You might be able to save a few bucks by going to whichever shop offers the cheapest prices, but if you want consistent, reliable service, itÂ’s best to find a repair shop you trust and stick with it,” Ibbotson says. The story goes on to evaluate each type of service facility. HereÂ’s a breakdown of CRÂ’s findings: Dealerships These work well for owners of newer cars, especially for covered warranty work. But the disadvantage is the high labor rates common to dealer service. Satisfaction ratings for dealer service departments range from very good (Acura, Lexus, Mazda, and Volvo) to not-so-good (Jeep and Kia). Dealers are best for: Fixing infotainment system glitches: "If the screen in the center of your dash has a habit of freezing up, or the touchscreen-activated climate controls arenÂ’t working, the dealership is the most likely place to find someone with the know-how to fix problems that maybe only a factory-authorized technician can access," Ibbotson says. Safety system recalibration: "Anything from a crack in your windshield to a minor fender dent can upset the calibration of the sensors that make features like automatic emergency braking and adaptive cruise control work," says Ibbotson.