U.S. auto safety regulators have opened an investigation into complaints that General Motors vehicles equipped with certain V8 engines, including its best-selling Silverado, can seize up without warning.

The ODI currently investigates L87 engine failures in 2019 through 2024 trucks and sport utility vehicles from the Chevy, GMC, and Caddy brands

The government has opened an investigation into roughly 878,000 GM full-size trucks and SUVs. The models are equipped with a 6.2-liter V8 engine that may seize due to bearing failure. 39 incidents have been reported and they include popular models such as the Silverado and Tahoe.

Complaints received by the agency allege a bearing failure that may result in either an engine seizure or a breaching of the engine block. GM did not immediately respond to a request for comment

The National Highway Traffic Safety Administration is investigating reports of alleged engine failures in GM's 6.2-liter L87 V-8, an engine used in a wide variety of trucks and SUVs. NHTSA estimates that more than 877,

The National Highway Traffic Safety Administration on Friday opened an investigation into 870,000 cars manufactured by General Motors after receiving reports of engine failure.