Joeybab3
Created page with " "The ECU heartbeat fault" {{Okai Error Code SEO|25}} ==Cause== Error code 25E indicates that the ECU is not sending out a regular heartbeat signal to the meter. This could be due to: * Faulty ECU: The ECU itself might be malfunctioning, preventing it from sending the heartbeat signal. * Loose connection: The connection between the ECU and the meter might be loose, interrupting the signal. ==Fix== * Check if the connection of the ECU is loose. * Change the ECU. [..."