MyTeslaMate
TPLC family

TPLC_a001_batteryFault

Not Available

What does the TPLC_a001_batteryFault alert mean?

Trailer Power Line Communication Device Battery voltage fault.

What you'll see in your Tesla

  • Not Available

What triggers it

Battery voltage is above 18V or below 9V threshold

When it clears

Battery voltage recovers into nominal range

Potential impact

Some TPLC features may be disabled

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.