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0x53 Redundant Data Request

INPA > LCM > Coding > SII

The cluster will request the redundant data from the LCM at ignition (KL-15), as discussed in BMW training documentation:

This data is compared each time KL15 is switched on. If the data check reveals a mismatch, the manipulation DOT is illuminated.

The command has no arguments (that I'm aware of), so the frame should always be:

80 03 D0 53 00  # Redundant Data Request 0x53