BMW fault code 28CD00

28CD00 is a fault stored in your BMW's memory (an ISTA fault code, not a standard OBD-II P-code).

What it means:
Radiator-shutter LIN message missing: the control unit isn't receiving status from the active radiator/grille shutter over the LIN bus. Often a wiring/connector fault or the shutter actuator.

Related codes: 288F00 · 28A0 · 28B334

Decode your BMW's fault memory automatically in Telegram

Free reference for owners. Not affiliated with BMW AG; BMW and CarData are trademarks of BMW AG.