RCM2 family
RCM2_a173_curAB2ndRowLShort
Safety restraint system issue
What does the RCM2_a173_curAB2ndRowLShort alert mean?
2nd Row Left Curtain Airbag - Resistance too Low
What you'll see in your Tesla
- Safety restraint system issue
- Service is required
What triggers it
There is a low resistance with the second row left curtain airbag.
When it clears
The low resistance is rectified.
Potential impact
The Second Row Left Curtain Airbag 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.