DIRER family
DIRER_a059_heatsinkOT
Vehicle shutting down - Rear motor overheating
What does the DIRER_a059_heatsinkOT alert mean?
Drive Inverter Warning: Heatsink over temperature
What you'll see in your Tesla
- Vehicle shutting down - Rear motor overheating
- PULL OVER IMMEDIATELY
What triggers it
Heatsink temperature (refer to heatsinkTemp) exceeds upper temperature threshold
When it clears
Heatsink temperature drops below upper temperature threshold
Potential impact
No direct impact. Could damage drive inverter if temperature is continuously too high.
Affected models
Cybertruck
Model S 2021+
Model X 2021+
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.