MyTeslaMate
AIR family

AIR_a003_canBusFault

Air compressor voltage error

What does the AIR_a003_canBusFault alert mean?

Air Compressor CAN fault detected.

What you'll see in your Tesla

  • Air compressor voltage error
  • PULL OVER SAFELY

What triggers it

Problem with recieved CAN signal or internal CAN bus failure

When it clears

CAN Bus fault reason is cleared or power cycle

Potential impact

Air Compressor stops running

Affected models

Semitruck

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.