RCU family
RCU_a055_IDBsimulatorPressFaulted
Not Available
What does the RCU_a055_IDBsimulatorPressFaulted alert mean?
Integrated Dynamic Brake (IDB) pedal simulator pressure sensor message issue.
What you'll see in your Tesla
- Not Available
What triggers it
The IDB_status CAN message is missing or has a checksum, counter, or message length error on both the CHASSIS and PARTY CAN buses for 50 milliseconds.
When it clears
The IDB_status Controller Area Network (CAN) message is received normally on both the CHASSIS and PARTY CAN buses for 50 milliseconds.
Potential impact
There may be an issue with the transmitting Electronic Control Unit (ECU), IDB.
Affected models
Model Y 2025+
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