VCSEC family
VCSEC_a221_TPMSSoftWarning
Air pressure below recommendation for tires
What does the VCSEC_a221_TPMSSoftWarning alert mean?
One or more tires may be underinflated or leaking
What you'll see in your Tesla
- Air pressure below recommendation for tires
- Check pressure and refill air as needed
What triggers it
At least one sensor reports pressure under region specific percentage of recommended cold pressured (RCP)
When it clears
All 4 sensors report pressure within region specific bounds of recommended cold pressured (RCP)
Potential impact
TPMS telltale and poor vehicle performance
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.