RCM2 family
RCM2_a138_sideAB1stRowRCrssCoup
Front right safety restraint system issue
What does the RCM2_a138_sideAB1stRowRCrssCoup alert mean?
1st Row Right Side Airbag - Cross Coupled
What you'll see in your Tesla
- Front right safety restraint system issue
- Service is required
What triggers it
There is a cross coupling with the front-right seat airbag.
When it clears
The cross coupling is rectified.
Potential impact
The Right Seat 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.