Joeybab3
Created page with ""Lost firmware of the ECU. The ECU failed to update the program." {{Okai Error Code SEO|15}} ==Cause== Error code 15E indicates that the ECU failed to update its firmware successfully. This could be due to: * Interrupted update: The update process might have been interrupted before completion, leaving the ECU with corrupted firmware. * Faulty firmware file: The firmware file used for the update might be corrupted or incompatible with the ECU. * Hardware failure: Th..."