RCM family
RCM_a048_sideAccelCPillarLeft
Safety restraint system issue
What does the RCM_a048_sideAccelCPillarLeft alert mean?
RCM_a048_sideAccelCPillarLeft
What you'll see in your Tesla
- Safety restraint system issue
- Service is required
What triggers it
There is a fault with the left C-Pillar impact sensor.
When it clears
The fault is rectified.
Potential impact
The restraint system may not function as designed.
Affected models
Model 3 2017-2023
Model Y
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.