Indication pattern
There is a malfunction in the communication line between the F-CAN and gauge control module. The B-CAN is OK at this time. Check for DTCs in the PCM and troubleshoot any DTCs found. If no DTCs are found, go to B-CAN System Diagnosis Test Mode A. See TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A .
There is a malfunction in the communication line between the B-CAN and gauge control module. The F-CAN line is OK at this time. Go to B-CAN System Diagnosis Test Mode A. See TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A .
There is a malfunction in the communication line between the gauge control module and the F-CAN and the B-CAN. Check for DTCs in the PCM, and troubleshoot any DTCs found. If no DTCs are found, go to B-CAN System Diagnosis Test Mode A. See TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A .