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Home >> BMW >> 2012 >> 335i 2D Convertible, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - N55 - Diagnostic Trouble Codes - DTC P0478 (BMW DTC 138101) Through DTC P0440 (BMW DTC 191D01) >> DTC P304A; BMW DTC 138401: Radiator shutter, top, actuator internal: electrical fault >> Condition for fault identification

Condition for fault identification

Test condition:

The fault is recognized when the actuator for the radiator vent slats reports an internal electrical fault via the LIN bus.

Potential problem source(s):

Terminal condition: Terminal 15

Voltage condition:

Temperature condition:

Time condition:

Other conditions: