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GM Recalls 38,200 Sedans to Fix Mild Hybrid System Flaw
General Motors Co. will repair faulty circuit boards in 38,200 cars in the U.S. that are equipped with the company's eAssist mild hybrid system.
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General Motors Co. will repair faulty circuit boards in 38,200 cars in the U.S. that are equipped with the company's eAssist mild hybrid system.
The recall covers Buick LaCrosse and Regal and Chevrolet Malibu Eco sedans produced during the 2012-2013 model years.
GM's eAssist consists of a small 115-volt lithium ion battery and a 15-kWh engine motor-generator that takes the place of a conventional alternator.
The system stores energy captured by regenerative braking and uses it to assist the car's piston engine during heavy acceleration by briefly contributing as much as 15 hp and 79 lb-ft of torque. The technology cannot power the vehicle alone. But it can boost fuel economy in city driving as much as 15%, according to GM.
The recall will repair or replace eAssist generator control module circuit boards that can overheat. The flaw could allow the battery to lose its charge and might cause a fire in the trunk. GM says the defect typically manifests itself within the first 1,000 miles of operation.
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