IDB_a063_RCUactuationDLC
Backup power braking assist unavailable
What does the IDB_a063_RCUactuationDLC alert mean?
Redundant Control Unit (RCU) actuation message RCU_actuation was not received or message length is incorrect.
What you'll see in your Tesla
- Backup power braking assist unavailable
- OK to drive - Schedule service
What triggers it
RCU_actuation is not received for longer than 200 milliseconds or RCU_actuation is received with incorrect data length for longer than 200 milliseconds.
When it clears
RCU_actuation Controller Area Network (CAN) message is received with correct data length for 200 milliseconds.
Potential impact
There may be an issue with the transmitting Electronic Control Unit (ECU) or CAN bus.
Affected models
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