MyTeslaMate
PLCRLY family

PLCRLY_a135_sdpAttemptsFailed

Charging equipment communication error

What does the PLCRLY_a135_sdpAttemptsFailed alert mean?

Charging session not started due to communication failures during the EVSE discovery protocol (SDP) which occurs during CCS charging

What you'll see in your Tesla

  • Charging equipment communication error
  • Unplug via Mobile App or Touchscreen and retry

What triggers it

The SDP failed an unexpected amount of time

When it clears

Cleared when the cable is disconnected or if an SDP attempt succeeded

Potential impact

Charging may not start

Affected models

Model S 2012-2020 Model X 2015-2020

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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.