MyTeslaMate
VCLEFT family

VCLEFT_a121_ETC_MIA

Not Available

What does the VCLEFT_a121_ETC_MIA alert mean?

One or more of the messages the vehicle controller receives periodically from the electronic toll collection (ETC) is not received, indicating the ETC may be unavailable (MIA).

What you'll see in your Tesla

  • Not Available

What triggers it

The vehicle controller does not receive one or more of the expected messages from the ETC within the expected time frame.

When it clears

The vehicle controller starts receiving the expected messages from the ETC.

Potential impact

Vehicle functions that depend on the ETC may be unavailable or may not function as expected.

Affected models

Model 3 2024+ 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.