RCM family
RCM_a005_crcError
Safety restraint system issue
What does the RCM_a005_crcError alert mean?
RCM_a005_crcError
What you'll see in your Tesla
- Safety restraint system issue
- Service is required
What triggers it
The restraint control module has detected a checksum fault.
When it clears
The checksum fault is corrected.
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.