RCU_a053_ESPwheelSpeedsChecksum

Wheel speeds message checksum is incorrect.

 Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

There may be an issue with the transmitting Electronic Control Unit (ECU), IDB.

Description

Wheel speeds message checksum is incorrect.

Cause

The RCU receives the ESP_wheelSpeeds CAN message from the IDB with incorrect CRC for longer than 100 milliseconds.

Clear condition

The Redundant Control Unit (RCU) receives the ESP_wheelSpeeds Controller Area Network (CAN) message from the Integrated Dynamic Brake (IDB) with correct Cyclic Redundancy Check (CRC) for 100 milliseconds.

Models

Model Y 2025+

Visibility

service-fix

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