MyTeslaMate
VCBATT family

VCBATT_a490_airSuspCompVoltageMismatch

Not Available

What does the VCBATT_a490_airSuspCompVoltageMismatch alert mean?

There is a greater than 0.5V drop between input power to the vehicle battery controller (VCBATT) and the Air Suspension Compressor circuit.

What you'll see in your Tesla

  • Not Available

What triggers it

0.5V difference between input voltage to the board and the eFuse.

When it clears

Less than 0.5V difference between input voltage to the board and the eFuse

Potential impact

Potential hardware issue could cause eFuse to trip or VOR.

Affected models

Model S 2021+ Model X 2021+

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.