APS family
APS_w281_rsaMia
Not Available
What does the APS_w281_rsaMia alert mean?
One or more of the messages the Autopilot Processor Secondary (APS) receives periodically from the Rear Steering Actuator (RSA) Electronic Control Unit (ECU) is not received, indicating the RSA ECU may be unavailable (MIA).
What you'll see in your Tesla
- Not Available
What triggers it
APS does not receive RSA messages for more than 10 messages.
When it clears
APS starts receiving messages from RSA.
Potential impact
Autopilot features will be unavailable.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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