DPB family
DPB_a027_motorTempHighLevel1
Power braking assist reduced
What does the DPB_a027_motorTempHighLevel1 alert mean?
The Decoupled Power Brake (DPB) motor reports a high temperature.
What you'll see in your Tesla
- Power braking assist reduced
- Braking may require increased effort
What triggers it
One or more of the motor windings, rotor, or inverter temperatures is higher than expected.
When it clears
component temperature reduced
Potential impact
Motor current will be reduced. System will be running with internal degraded pedal map. Braking may require increased effort.
Affected models
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.