Home >> Mitsubishi >> 2014 >> Lancer ES Sportback >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Electronic Time & Alarm Control System (ETACS) - With Diagnostics - Lancer >> Diagnostic Trouble Code Procedures >> DTC U1120: Bus line (CAN-C) low input DTC U1121: Bus line (CAN-C) high input >> Troubleshooting Hints