FC_a136_CA_evseTxBufOvf

The Fast Charge (FC) Electronic Control Unit (ECU) has detected a bus heavy condition when attempting to send messages to Electric Vehicle Supply Equipment (EVSE). Messages sent by the FC ECU stay in queue or overflow, interrupting communication with the charging session.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

Charging session may not start or may become interrupted.

Description

The Fast Charge (FC) Electronic Control Unit (ECU) has detected a bus heavy condition when attempting to send messages to Electric Vehicle Supply Equipment (EVSE). Messages sent by the FC ECU stay in queue or overflow, interrupting communication with the charging session.

Cause

FC ECU detects the queue responsible for sending messages to EVSE is full or overflowing.

Clear condition

FC ECU no longer detects a full or overflowing queue when sending messages to EVSE. Enough space is allocated to send messages.

Models

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

Visibility

service

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