MyTeslaMate
DIRE2 family

DIRE2_a066_canDataBusB

Not Available

What does the DIRE2_a066_canDataBusB alert mean?

The drive interface (DI) or drive inverter (DIx) electronic control unit (ECU) receives a controller area network (CAN) message error on bus B.

What you'll see in your Tesla

  • Not Available

What triggers it

The DI ECU receives a CAN error on bus B.

When it clears

Clears when data errors no longer exist on CAN bus B for 5 seconds.

Potential impact

The DI ECU is receiving corrupted CAN data. Alert log signal data provides the affected CAN message ID with the error detected.

Affected models

Semitruck

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.