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Home >> BMW >> 2016 >> 650i 2D Convertible >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Diagnostic Trouble Codes - Bank 2 (N63TU) >> Fault Code Tests >> DTC U123C: BMW DTC CDE434; DME -- Message Monitoring Slave-ECM With Master-ECM Interconnection 5 Alive Check >> Action in service

Action in service

This fault is not significant, and its cause lies outside the receiving control unit.

However, all fault codes stored in the vehicle would be processed in accordance with the test plan.

Especially the faults that indicate a malfunction in the transmitter control unit.