MyTeslaMate
CP family

CP_a132_contractAuthTimeout

Charging station authentication required

What does the CP_a132_contractAuthTimeout alert mean?

The charge port (CP) electronic control unit (ECU) detects that the electric vehicle supply equipment (EVSE) is still in an authentication state.

What you'll see in your Tesla

  • Charging station authentication required
  • See station instructions to start charging

What triggers it

The EVSE spends longer than expected in the authentication state.

When it clears

The EVSE finishes authenticating or communication between the EVSE and the CP ECU times out.

Potential impact

Charging does not start.

Affected models

Cybertruck Model 3 2017-2023 Model 3 2024+ Model S 2021+ Model X 2021+ Model Y Model Y 2025+ 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.