MyTeslaMate
TAS family

TAS_a104_CHG_MIA

Not Available

What does the TAS_a104_CHG_MIA alert mean?

One or more CAN messages from CHG are not being received by the ECU.

What you'll see in your Tesla

  • Not Available

What triggers it

One or more CAN messages from CHG are not being received by the ECU (missing, bad RX rate, or invalid checksum/counter).

When it clears

Successful reception of all RXd CAN messages from CHG.

Potential impact

Air suspension functionality may be reduced. Air suspension may not be able to recover from corrected faults.

Affected models

Model S 2012-2020 Model X 2015-2020

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.