RCM2 family
RCM2_a805_swVersionWrong
Safety restraint system issue
What does the RCM2_a805_swVersionWrong alert mean?
Wrong Software Version
What you'll see in your Tesla
- Safety restraint system issue
- Service is required
What triggers it
The restraint control module has detected an internal issue.
When it clears
Production software is flashed to the restraint control module or the module is replaced.
Potential impact
The Safety Restraint System 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.