RCU family
RCU_a052_ESPwheelSpeedsCounter
Not Available
What does the RCU_a052_ESPwheelSpeedsCounter alert mean?
Wheel speeds message counter is incorrect.
What you'll see in your Tesla
- Not Available
What triggers it
ESP_wheelSpeeds CAN message is received from the IDB with incorrectly incrementing counter for longer than 100 milliseconds.
When it clears
ESP_wheelSpeeds Controller Area Network (CAN) message is received from the Integrated Dynamic Brake (IDB) with correctly incrementing counter for 100 milliseconds.
Potential impact
There may be an issue with the transmitting Electronic Control Unit (ECU), the IDB, or CAN bus.
Affected models
Model Y 2025+
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