Error Message (Communication & Electric system) (1) J1939 - CAN Bus ECU 187 SID 231 12 ECU (2) J1587 - Information Bus ECU ECU 187 SID 250 12 (3) Battery 187 SID 251 0 Volvo Construction Equipment Customer Support UPDATE - EC160B~460B - 15 Error Code From MID Signal FMI Code Central Warning lamp Buzzer Source 13 128 SID 231 9 Blink caution Communication J1939 error 128 SID 231 11 Blink caution J1939 Other malfunction 128 SID 231 12 Blink caution J1939 defective unit or component 187 SID 231 9 Blink caution Communication J1939 error 187 SID 231 12 Blink caution J1939 defective unit or component Error Code From MID Signal FMI Code Central Warning lamp Buzzer Source 14 128 SID 250 12 Blink caution Communication J1587 error 187 SID 250 9 Blink caution J1587 Communication error 187 SID 250 12 Blink caution J1587 defective unit or component Error Code From MID Signal FMI Code Central Warning lamp Buzzer Source 21 187 SID 251 0 Blink caution Battery voltage, too high 187 SID 251 1 Blink caution Battery voltage, too low