PCS family
PCS_a079_eepromOperationError
Not Available
What does the PCS_a079_eepromOperationError alert mean?
PCS EEPROM software module has detected an error
What you'll see in your Tesla
- Not Available
What triggers it
Power conversion system EEPROM software module has detected an error
When it clears
Clears directly after alert is set
Potential impact
Kilowatt-hour counter functionality may be impacted, damaged phase detection may be impacted
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.