279A00 on BMW:si muistiin tallennettu vika (ISTA-vikakoodi, ei vakiomuotoinen OBD-II P-koodi).
Mitä se tarkoittaa: Active cooling air flap (radiator shutter): communication error between the engine ECU (DDE) and the flap actuator over the LIN bus. The shutter that regulates airflow through the grille isn't reporting back. Usual cause: LIN wiring/connector or the flap actuator.
