TAS family
TAS_a127_maxDutyBoost
Not Available
What does the TAS_a127_maxDutyBoost alert mean?
Boost air valve has reached its duty cycle (on time) limit.
What you'll see in your Tesla
- Not Available
What triggers it
Boost air valve has reached its duty cycle (on time) limit.
When it clears
Boost air valve has dropped below its duty cycle (on time) limit, plus some hysteresis.
Potential impact
Air suspension leveling via the compressor boost valve will be temporarily disabled until boost air valve duty cycle drops.
Affected models
Model S 2012-2020
Model S 2021+
Model X 2015-2020
Model X 2021+
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.