RCU family
RCU_a028_DIchassisControlCounter
Not Available
What does the RCU_a028_DIchassisControlCounter alert mean?
Drive Inverter (DI) chassis control message counter is incorrect.
What you'll see in your Tesla
- Not Available
What triggers it
DI_chassisControl CAN message is received with incorrectly incrementing counter for longer than 200 milliseconds.
When it clears
DI_chassisControl Controller Area Network (CAN) message is received with correctly incrementing counter for 200 milliseconds.
Potential impact
There may be an issue with the transmitting Electronic Control Unit (ECU) or CAN bus.
Affected models
Model Y 2025+
Track your Tesla's alerts automatically
Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.