PCS family
PCS_a020_chgEnableLineMismatch
Not Available
What does the PCS_a020_chgEnableLineMismatch alert mean?
PCS charging hardware enable line does not match CAN signal
What you'll see in your Tesla
- Not Available
What triggers it
Charger detects that sensed enable hardline state does not match state reported on CAN for more than five seconds
When it clears
Charger detects that sensed enable hardline state matches state reported on CAN for more than one second
Potential impact
Inability to AC charge
Affected models
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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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.