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TRANSLOGIC 147: CES 2014 Autonomous Vehicles

We head back to CES in Las Vegas to check on the progress of autonomous vehicles in 2014. We go hands-free on the highway with Audi, narrowly avoid a collision with Ford and hear all about BMW's drifting driverless car. But first we take a ride on Induct's self-driving Navia shuttle.

2017-19 Ford Super Duty trucks recalled for tailgates that could open

Ford announced two separate recalls today, though neither has resulted in any known injuries. The first recall, which deals with a tailgate malfunction, affects 261,617 examples of 2017-2019 F-250, F-350, and F-450 Super Duty pickups. The second, which anticipates the possibility of a fuel leak, affects 3,893 units of 2020 Explorer and 2020 Lincoln Aviator SUVs with 3.0-liter engines. Ford says tailgates might accidentally open on some 2017-2019 Super Duty trucks because of a short circuit. If the pickups have an electric tailgate latch-release switch on the tailgate handle, water might get into the wiring. If the water hits the right spots, a short circuit could cause the switch to release the tailgate latch. In a worst-case scenario where the tailgate opens while driving, contents of the truck's bed could fall out and create a safety hazard. Dealerships will fix the problem by modifying the tailgate frame wiring harnesses with jumper pigtails and install a new tailgate handle release switch. Of the lot, 231,664 trucks are in the U.S., and 29,953 are in Canada. The Ford recall number is 19S48.  The second recall is much smaller, involving fewer than 4,000 vehicles. In certain 2020 Explorers and Aviators with 3.0-liter engines, Ford says, "The convolute protective sleeve on the liquid fuel line is not long enough, which may allow for potential hard contact with the convolute-protected vapor fuel line. Over time, with vibration and engine roll, hard contact between the two fuel lines could cause the convolute on the vapor fuel line to rub through the plastic liquid fuel line." If that happens, it could be a fire risk and hazardous for drivers and passengers. Only 35 of those SUVs are in Canada, and the rest are in the United States. Dealers will fix the problem by replacing the defective convolute with a full-length piece and tying it down with a strap. The recall reference number for the Aviators and Explorers is 19S49. The recall adds to what has otherwise been a rocky early production phase for the new Explorers and Aviators.

Is it time for American carmakers to give up on dual-clutch transmissions? [w/poll]

Last week, in the midst of Detroit's first days seeking relief in Chapter 9 of the bankruptcy code, Automotive News contributor Larry P. Vellequette penned an editorial suggesting that American car companies raise the white flag on dual clutch transmissions and give up on trying to persuade Americans to buy cars fitted with them. Why? Because, Vellequette says, like CVT transmissions, they "just don't sound right or feel right to American drivers." (Note: In the article, it's not clear if Vellequette is arguing against wet-clutch and dry-clutch DCTs or just dry-clutch DCTs, which is what Ford and Chrysler use.) The article goes on to state that Ford and Chrysler have experimented with DCTs and that both consumers and the automotive press haven't exactly given them glowing reviews, despite their quicker shifts and increased fuel efficiency potential compared to torque-converter automatic transmissions.
Autoblog staffers who weighed in on the relevance of DCTs in American cars generally disagreed with the blanket nature of Vellequette's statement that they don't sound or feel right, but admit that their lack of refinement compared to traditional automatics can be an issue for consumers. That's particularly true in workaday cars like the Ford Focus and Dodge Dart, both of which have come in for criticism in reviews and owner surveys. From where we sit, the higher-performance orientation of such transmissions doesn't always meld as well with the marching orders of everyday commuters (particularly if drivers haven't been educated as to the transmission's benefits and tradeoffs), and in models not fitted with paddle shifters, it's particularly hard for drivers to use a DCT to its best advantage.
Finally, we also note that DCT tuning is very much an evolving science. For instance, Autoblog editors who objected to dual-clutch tuning in the Dart have more recently found the technology agreeable in the Fiat 500L. Practice makes perfect - or at least more acceptable.