37373.8.0

This is a Technical Journal: DIM Message and DTC BECM P0C7800. If the DIM displays a message stating "Drive System Service Required" and the DTC listed below is set, follow the advice under "Service".
•Do not replace any parts. This is not hardware-related.
•A new BECM software is released in version 3.6.4. or later. Perform a total upgrade according to TJ 31543 and release the car back to customer.