GM has clarified why 2019-through-2020 model year trucks and SUVs aren't included in the automaker's most recent 6.2L V8 L87 gasoline engine safety recall.

NHTSA has officially asked General Motors to recall more than 721,000 full-size SUVs and pickup trucks equipped with 6.2L V8 engines after the company voluntarily issued a stop sale late last week.As a consequence of the defect,

The recall follows a January investigation​ by U.S. auto safety regulators into reports of engine failure in certain GM vehicles.