Description: Communication error between SYS board and SLG board
Remedy: (1) Check if the connectors J114 and J105 on the SYS board are disconnected. (2) Check if the connector J4 on the SLG board is disconnected. (3) Check if the harness connecting the SYS and SLG boards is open-circuited and the connector pins are disconnected. (4) Check if the harness connecting the SYS board and LGC board is open-circuited and the connector pins are disconnected. (5) Check the version of the FROM on the SYS board. (6) Check the version of the MROM on the LGC board. (7) Check the version of the SROM on the SLG board. (8) Replace the SYS board. (9) Replace the SLG board. (10) Replace the LGC board.