India, Nov. 29 -- U.S. auto safety regulator has opened an investigation into about 115,000 Tesla electric vehicles over a front suspension safety issue.

The probe covers 2015 through 2017 Model S sedans and 2016 through 2017 Model X SUVs.

The new investigation comes after Tesla reportedly started a recall over the issue for vehicles in China, but the automaker argued that there was no defect and China was forcing an unnecessary recall. Last month, Tesla reportedly recalled about 30,000 Model S and Model X vehicles in China over a suspension safety issue.

Meanwhile, the National Highway Traffic Safety Administration said it has received 43 complaints alleging that the front suspension fore links may fail at the knuckle ball joint ring,...