Gauge Control Module Self-diagnostic Function
The Communication Line Check
While in the self-diagnostic mode, the Communication Line Check starts after the LCD Segments Check.
If all segments come on, the communication line is OK. If faulty, the word Error will be indicated on the odometer display followed by a number(s).

Error Code List

Error code
Type of communication line(s) error
Error 1
F-CAN communication
Error 2
B-CAN communication
Error 12
F-CAN and B-CAN communication

Example Indication
  • If Error 1 is indicated, there is a malfunction in the communication line between the F-CAN and the gauge control module.
  • If Error 2 is indicated, there is a malfunction in the communication line between the B-CAN and the gauge control module.
  • If Error 12 is indicated, there is a malfunction in the communication line between the gauge control module, the F-CAN, and the B-CAN.