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Network "Loss of Communication" Error Checking Function

The ECUs on the CAN circuit send messages to each other. If there are any malfunctions on the network, the odo/trip display on the gauge control module can indicate the error messages by entering the gauge self-diagnostic function (see SELF-DIAGNOSTIC FUNCTION ).

4-DOOR ERROR CODE LIST

Error code Type of communication line(s) error
Error 1 F-CAN communication
Error 2 B-CAN communication
Error 3 UART communication
Error 12 F-CAN and B-CAN communication
Error 13 F-CAN and UART communication
Error 23 B-CAN and UART communication
Error 123 F-CAN, B-CAN and UART communication
2-DOOR ERROR CODE LIST

Error code Type of communication line(s) error
Error 1 F-CAN communication
Error 2 B-CAN communication
Error 3 F-CAN and B-CAN communication
Error 12 F-CAN and B-CAN communication
Error 13 F-CAN and B-CAN communication
Error 23 F-CAN and B-CAN communication
Error 123 F-CAN and B-CAN communication
NOTE: For further information about Error indication, refer to the gauge control module self-diagnostic function (see SELF-DIAGNOSTIC FUNCTION ).
Fig 1: Identifying Gauge Control Module Indicate Error Messages Display
G04668777Courtesy of HONDA