RCM2 family
RCM2_a147_curABLeftSht2Bat
Safety restraint system issue
What does the RCM2_a147_curABLeftSht2Bat alert mean?
Left Curtain Airbag - Short to Battery
What you'll see in your Tesla
- Safety restraint system issue
- Service is required
What triggers it
There is a short to battery with the left curtain airbag.
When it clears
The short to battery is rectified.
Potential impact
The 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.