Troubleshooting Hints

WARNING: This page is about a different car, the 2017 Mitsubishi Mirage. However, it is still accessible from the selected car via links, so may be relevant.

Malfunction in CAN bus line (short to ground or power supply, wire short to one another)
Malfunction in the ECUs which are interconnected via CAN bus line (internal error)
Malfunction (open circuit) of wiring harness, connector (s) between the data link connector and joint connector(s)