RCM2 family
RCM2_a857_comVCLEFT2rCBuckle
Rear center safety restraint system issue
What does the RCM2_a857_comVCLEFT2rCBuckle alert mean?
0x40A VCLEFT_restraintStatus - Second Row Center Buckle Status SNA or Issue
What you'll see in your Tesla
- Rear center safety restraint system issue
- Service is required
What triggers it
The restraint control module has detected an issue with the second-row center seat 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+
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.