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GM Recalls 680,000 SUVs & Pickups Due to Faulty Brake Sensor

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【Summary】General Motors has issued its second largest recall this year, affecting 680,000 SUVs and pickup trucks in the U.S. The recall was issued due to a faulty brake sensor which can lead to unintentional braking, the automaker said on Thursday.

FutureCar Staff    Oct 31, 2019 3:30 PM PT
GM Recalls 680,000 SUVs & Pickups Due to Faulty Brake Sensor
Among the recalled GM vehicles is the 2019 Chevy Suburban SUV.

General Motors has issued its second largest recall this year, affecting 680,000 SUVs and pickup trucks in the U.S. The recall was issued due to a faulty brake sensor which can lead to unintentional braking, the automaker said on Thursday.

The recall covers some of GM's best selling trucks and SUVs, including the 2015-2020 Chevrolet Suburban, Tahoe, and Yukon as well as the 2014-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 pickup trucks equipped with a 5.3-liter engine, a 3.08-ratio rear axle and four-wheel drive.

The brake sensor failure may result in unintended activation of the driveline protection system, and cause unintended braking of the wheel on the opposite side of the failed sensor. This could cause the vehicle to pull to one side unexpectedly, increasing the risk of a crash or loss of control, the automaker said.

The problem can happen whenever the vehicle's electronic transfer case is set to four-wheel drive or automatic mode, and is being driven between 41 and 60 mph.

GM said it was not aware of any crashes as a result of the problem, but found 150 field claims alleging the condition caused unintended braking or lateral-vehicle motion.

In May, a GM dealer submitted a warranty report relating to the issue in a 2018 GMC Yukon, and two day later, a GM brand quality manager submitted the report to GM's Speak Up For Safety Program, which recognizes GM employees for speaking up and notifying the automaker about any safety related problems they discover. The filing of the report led to GM issuing the recall, according to Reuters.

GM latest recall is the second in less than two months involving some of the same SUV and pickup models. GM's earlier recall affects nearly 3.5 million pickup trucks and sport utility vehicles, including the 2014-2018 Chevrolet Silverado and GMC Sierra pickups and the 2015-2018 Chevrolet Suburban Cadillac Escalade SUVs.

The Sept 2019 recall involves the vacuum pump that supplies additional pedal assist to the vehicles' power brakes. The pump can diminish over time "extending the distance required to stop the vehicle" according to GM, thereby increasing the risk of a crash.

GM will notify owners of the issue, NHTSA said in the letter, which was dated September 10 and available Wednesday on the agency's website.

The automaker also is recalling around 180,000 Chevrolet Malibu sedans for faulty fuel injectors and 91,000 Chevrolet Express and GMC Savana full-size vans from 2019, over a problem with the seatbelt light.

Automakers can either issue voluntary recalls, which GM did in this case, or the National Highway Traffic Safety Administration (NHTSA) can impose a recall by court order for any serious safety problems. However, most recall investigations originate from drivers filing complaints with the NHTSA.



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