VCLEFT family
VCLEFT_a123_AID_MIA
Not Available
What does the VCLEFT_a123_AID_MIA alert mean?
One or more of the messages the vehicle controller receives periodically from the AID (Alcohol Interlock Device) is not received, indicating the AID 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 AID within the expected time frame.
When it clears
The vehicle controller starts receiving the expected messages from the AID.
Potential impact
Vehicle functions that depend on the AID may be unavailable 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.