PCS family
PCS_a077_microGridWobbleDetected
Not Available
What does the PCS_a077_microGridWobbleDetected alert mean?
The Power Conversion System (PCS) electronic control unit (ECU) detects a wobble signature from the Tesla Powerwall.
What you'll see in your Tesla
- Not Available
What triggers it
The PCS ECU detects a wobble signature from the Tesla Powerwall.
When it clears
The PCS ECU no longer detects a wobble signature from the Tesla Powerwall.
Potential impact
No expected impact on vehicle functionality.
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.