MyTeslaMate
RCU family

RCU_a036_IDBpspInvalid

Not Available

What does the RCU_a036_IDBpspInvalid alert mean?

Integrated Dynamic Brake (IDB) pedal simulator pressure sensor issue.

What you'll see in your Tesla

  • Not Available

What triggers it

The RCU receives the IDB_pedalSimulatorPress CAN signal as Signal Not Available (SNA) or IDB_pedalSimulatorPressQF as PRESSURE_FAULTED for 100 milliseconds.

When it clears

The Redundant Control Unit (RCU) receives a valid value for IDB_pedalSimulatorPress and IDB_pedalSimulatorPressQF on the CHASSIS and PARTY Controller Area Network (CAN) buses for 100 milliseconds.

Potential impact

There may be an issue with the transmitting Electronic Control Unit (ECU).

Affected models

Model Y 2025+

Track your Tesla's alerts automatically

Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.