MyTeslaMate
RCU family

RCU_a026_DIchassisControlDLC

Not Available

What does the RCU_a026_DIchassisControlDLC alert mean?

Drive Inverter (DI) chassis control message was not received or message length is incorrect.

What you'll see in your Tesla

  • Not Available

What triggers it

The RCU did not receive the DI_chassisControl CAN message for longer than 200 milliseconds or DI_chassisControl is received with incorrect data length for longer than 200 milliseconds.

When it clears

The Redundant Control Unit (RCU) receives the DI_chassisControl Controller Area Network (CAN) message with correct data length for 200 milliseconds.

Potential impact

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

Affected models

Model Y 2025+

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