MyTeslaMate
IDB family

IDB_a020_RCUpedalTravelMismatch

Not Available

What does the IDB_a020_RCUpedalTravelMismatch alert mean?

The Integrated Dynamic Brake (IDB) detected an issue with the Redundant Control Unit (RCU) pedal travel sensor signal.

What you'll see in your Tesla

  • Not Available

What triggers it

The IDB detects an issue with the RCU's external pedal sensor signal received via the CHASSIS or PARTY CAN bus.

When it clears

The RCU's external pedal travel sensor signal is received normally via the CHASSIS and PARTY Controller Area Network (CAN) buses. If this issue persists, CAN or external pedal travel sensor or wiring issues requiring repair or replacement may be possible.

Potential impact

Brake Disc Wipe (BDW) is not available.

Affected models

Model Y 2025+

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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.