The powertrain control module isn't the only computer that you can find on contemporary cars, but it is the primary computer that controls most systems and functions for vehicles that utilize a PCM.

Affected components: Engine Control Module on certain units equipped with the turbocharged 2.0L LTG four-cylinder engine. The recall extends units sold in both the United States and Canada.

Affected vehicles: 2022 Chevy Malibu Affected components: engine control module. Number of affected vehicles: GM did not say how many Chevy Malibu vehicles are affected by this problem.