STITCH3 family
STITCH3_a009_FW_HV_Bus_Top_OV
Not Available
What does the STITCH3_a009_FW_HV_Bus_Top_OV alert mean?
A fast firmware trip has been detected due to High Voltage (HV) readings exceeding the expected bus top half voltage limit.
What you'll see in your Tesla
- Not Available
What triggers it
Single HV top half bus voltage exceeds the expected threshold.
When it clears
HV top half bus voltage drops below the expected threshold.
Potential impact
STITCH will halt operation, low voltage will not be supported.
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.