The main U.S. auto safety regulator announced Friday an investigation into 73,000 vehicles. chevrolet volt It has been reported that plug-in hybrid vehicles may suddenly turn off, fail to restart, or experience other problems.
The National Highway Traffic Safety Administration announced it is opening a preliminary investigation into 2016-2019 Chevrolet Volts following complaints about the hybrid battery energy control module (BECM). In some cases, the complaints indicated that drivers showed little warning before the cars lost operating power or went into reduced power mode.
NHTSA said the problem can pose a safety risk when a vehicle cannot move with the flow of surrounding traffic, and is even more serious when a stalled vehicle cannot be restarted.
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Some Chevrolet Volt owners told NHTSA they have been waiting months for replacement battery modules and, in some cases, are unable to obtain replacement parts. general motorsChevrolet’s parent company said it has enough replacement parts in its supply pipeline.
One of the owners, who lives in Los Angeles, said that the Bolt he was driving “suddenly and unexpectedly lost propulsion while driving. The vehicle could no longer be turned on or driven.”
Another owner said the Bolt can’t go faster than 35 mph on the highway and “randomly stops running on electricity.”
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GM previously issued the following technical service bulletin: Vehicle cannot be restarted BECMs may need to be replaced and reprogrammed, but the company is not recalling the vehicles, NHTSA said.
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The company is NHTSA investigation “We have taken appropriate steps to resolve customer concerns related to the battery energy control module and will continue to assist authorities in their review of this matter.”
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GM ended production of the Chevrolet Bolt in early 2019.
Reuters contributed to this report.