Home >> Mitsubishi >> 2010 >> Lancer ES, Standard >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Electronic Time And Alarm Control System (ETACS) - Lancer >> Troubleshooting >> Diagnostic Trouble Code Procedures >> DTC U1120: Bus line (CAN-C) low input; DTC U1121: Bus line (CAN-C) high input >> Troubleshooting Hints