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Home >> BMW >> 2014 >> 328d >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Diagnostic Trouble Codes (N47 & N57, Diesel) >> Fault Code Tests >> DTC U029F: BMW DTC 194401; DME -- Lost Communication With Evaporative Emission System Leak Detection Control Module >> Action in service

Action in service

Check Natural Vacuum Leak Detection voltage supply.

Check wires and plug connections between the following components:

Renew Natural Vacuum Leak Detection.

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