CONTROL SYSTEM, CONTROL METHOD, AND NON-TRANSITORY STORAGE MEDIUM

A control method for a power train system (302) that includes a clutch position sensor (325), a processor, and a manual transmission includes converting a gear stage selected by a shift lever of the manual transmission to a control shift range of an automatic transmission, sending specific information that enables identification of the converted control shift range to the control device (200) configured to control motion of a vehicle in cooperation with the power train system (302), and holding, when operation of a clutch is detected by the clutch position sensor (325) configured to detect operation of the clutch, specific information that enables identification of the control shift range at a time at which operation of the clutch is started, as the specific information to be sent to the control device (200).