The Communication Line Check

While in the self-diagnostic mode, the Communication Line Check starts after the MID Segments Check.

Courtesy of HONDA, U.S.A., INC.

If the communication line is OK, the word "OK" will be indicated on the multi-information display. If there is a communication line error, the word "ERROR" will be indicated on the multi-information display.

Error Code List

Error code	Type of communication line(s) error
F-CANERROR	F-CAN communication
B-CANERROR	B-CAN communication
HUDERROR	Head up display communication

Indication Example

Courtesy of HONDA, U.S.A., INC.

F-CANERROR: There is a malfunction in the communication line between the gauge control module and F-CAN. Check for DTCs in the PCM, and troubleshoot the indicated DTCs.
B-CANERROR: There is a malfunction in the communication line between the gauge control module and B-CAN. Check for DTCs in the body electrical system and troubleshoot the indicated DTCs.
HUDERROR: There is a malfunction in the communication line between the gauge control module and head up display. Check for DTCs in the body electrical system and troubleshoot the indicated DTCs.