RCM2 family
RCM2_a852_autarkyEvent
Not Available
What does the RCM2_a852_autarkyEvent alert mean?
An autarky event was detected
What you'll see in your Tesla
- Not Available
What triggers it
The RCM lost power during a crash event.
When it clears
The restraint control module power is rectified and the module is power cycled.
Potential impact
The Safety Restraint System may not perform as designed.
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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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.