MyTeslaMate
EPAS3P family

EPAS3P_a107_uiTuneReqMia

Not Available

What does the EPAS3P_a107_uiTuneReqMia alert mean?

The Electric Power Assist Steering (EPAS) electronic control unit (ECU) is not receiving the expected controller area network (CAN) messages from the Gateway (GTW) on the CAN bus.

What you'll see in your Tesla

  • Not Available

What triggers it

The Electronic Power Assist Steering (EPAS) ECU does not receive the expected CAN messages from the Gateway on the CAN bus.

When it clears

The Electronic Power Assist Steering (EPAS) ECU begins receiving the expected CAN messages from the Gateway on the CAN bus.

Potential impact

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

Affected models

Model 3 2017-2023 Model 3 2024+ Model S 2021+ Model X 2021+ 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.