RCM2 family
RCM2_a559_bucklHallRightUndef
Front right safety restraint system issue
What does the RCM2_a559_bucklHallRightUndef alert mean?
Belt Buckle Front Right - Undefined Region of Sensing
What you'll see in your Tesla
- Front right safety restraint system issue
- Service is required
What triggers it
There is an issue with the front-right buckle.
When it clears
The issue is rectified.
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.