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Home >> BMW >> 2014 >> 535d >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Diagnostic Trouble Codes (N47 & N57, Diesel) >> Fault Code Tests >> DTC U124F: BMW DTC CDA665; DME -- Message Monitoring Status TCM Via A-Can/Fa-Can Signal Error >> Service instruction

Service instruction

The defect is not in the control unit that records the interface fault. For this reason the control unit should not be replaced.