Home >> BMW >> 2014 >> 750Li >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Diagnostic Trouble Codes - Bank 2 (N63TU) >> Fault Code Tests >> DTC U11D8: BMW DTC CDE422; DME -- Message Monitoring Slave-ECM With Master-ECM Interconnection 2 Check Sum Error >> Fault effect and breakdown warning