DIF family
DIF_a038_busVsensor
Not Available
What does the DIF_a038_busVsensor alert mean?
Drive Inverter Warning: Battery sensor bad
What you'll see in your Tesla
- Not Available
What triggers it
When HV bus is up, DI measured bus voltage very low or disagrees with BMS reported voltage
When it clears
When HV bus is up, DI measured bus voltage matches BMS reported voltage
Potential impact
Drive unit enters unit limp mode (see DI_a126_limpMode), faults (Model 3 only)
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.