IDB family
IDB_a064_RCUactuationChecksum
Not Available
What does the IDB_a064_RCUactuationChecksum alert mean?
Redundant Control Unit (RCU) actuation message RCU_actuation checksum is incorrect.
What you'll see in your Tesla
- Not Available
What triggers it
RCU_actuation is received with incorrect CRC for longer than 200 milliseconds.
When it clears
RCU_actuation Controller Area Network (CAN) message is received with correct Cyclic Redundancy Check (CRC) for 200 milliseconds.
Potential impact
There may be an issue with the transmitting Electronic Control Unit (ECU) or CAN bus.
Affected models
Model Y 2025+
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