CP_a121_PLCRLY_lostCommsCP

The power line communication relay (PLCRLY) is no longer receiving messages from the charge port (CP) electronic control unit (ECU). This alert is used only by PLCRLY.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

PLCRLYs on single-phase CP vehicles will not allow combined charging system (CCS) charging above 370A.

Description

The power line communication relay (PLCRLY) is no longer receiving messages from the charge port (CP) electronic control unit (ECU). This alert is used only by PLCRLY.

Cause

PLCRLY does not receive messages from the CP ECU within 10 times their expected rate of transmission.

Clear condition

PLCRLY receives the expected messages from the CP ECU.

Models

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

Visibility

service

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