IAPU family
IAPU_a040_mvHighSideShortBatt
Air dryer error detected
What does the IAPU_a040_mvHighSideShortBatt alert mean?
Valve high side shorted to battery.
What you'll see in your Tesla
- Air dryer error detected
- Service is required
Affected models
Semitruck
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.