DI family
DI_a224_brakeOverTemp
Brakes too hot - Braking performance reduced
What does the DI_a224_brakeOverTemp alert mean?
The drive interface (DI) electronic control unit (ECU) detects brake temperatures above the range expected to provide a comfortable driving experience.
What you'll see in your Tesla
- Brakes too hot - Braking performance reduced
- Traffic-Aware Cruise Control may be unavailable
What triggers it
Any brake temperature detected above the set threshold for a sustained period of time.
When it clears
All brake temperatures detected to have fallen below the clear threshold.
Potential impact
Braking performance may be reduced.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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.