USM family
USM_a201_e52142Fault
Not Available
What does the USM_a201_e52142Fault alert mean?
Unexpected fault in a E52142 chip
What you'll see in your Tesla
- Not Available
What triggers it
The E52142 chip is reporting a fault condition
When it clears
All unexpected faults have cleared
Potential impact
Corrupted data for E52417 devices
Affected models
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.