MyTeslaMate
EPASTS family

EPASTS_a234_ecu1StatCsError

Not Available

What does the EPASTS_a234_ecu1StatCsError alert mean?

The Electronic Power Assist Steering (EPAS) electronic control unit (ECU) receives invalid controller area network (CAN) messages from the car computer on the CAN bus.

What you'll see in your Tesla

  • Not Available

What triggers it

The Electronic Power Assist Steering (EPAS) ECU receives invalid CAN messages from the car computer on the CAN bus.

When it clears

The Electronic Power Assist Steering (EPAS) ECU begins receiving valid CAN messages from the car computer on the CAN bus.

Potential impact

Steering assist may be reduced or may not function as expected.

Affected models

Model Y 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.