RCU_a027_DIchassisCtrlChecksum

Drive Inverter (DI) chassis control 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).

Description

Drive Inverter (DI) chassis control message checksum is incorrect.

Cause

The RCU receives the DI_chassisControl CAN message with incorrect CRC for longer than 200 milliseconds.

Clear condition

The Redundant Control Unit (RCU) receives the DI_chassisControl Controller Area Network (CAN) message with correct Cyclic Redundancy Check (CRC) for 200 milliseconds.

Models

Model Y 2025+

Visibility

service-fix

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