RCU family
RCU_a024_IDBstatusChecksum
Not Available
What does the RCU_a024_IDBstatusChecksum alert mean?
Integrated Dynamic Brake (IDB) status message checksum is incorrect.
What you'll see in your Tesla
- Not Available
What triggers it
The RCU receives the IDB_status CAN message with incorrect CRC for longer than 100 milliseconds.
When it clears
The Redundant Control Unit (RCU) receives the IDB_status Controller Area Network (CAN) message with correct Cyclic Redundancy Check (CRC) for 100 milliseconds.
Potential impact
There may be an issue with the transmitting Electronic Control Unit (ECU).
Affected models
Model Y 2025+
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