CP family
CP_w043_doorPotIrrational
Charge port door sensor fault
What does the CP_w043_doorPotIrrational alert mean?
The charge port (CP) electronic control unit (ECU) detects an issue with the CP door potentiometer.
What you'll see in your Tesla
- Charge port door sensor fault
- Charge port may not operate as expected
What triggers it
The CP ECU detects that the CP door potentiometer is behaving erratically, based on sensor readings.
When it clears
The CP ECU detects via potentiometer sensor readings that the CP door behaves rationally through several open and close cycles.
Potential impact
The CP door does not open or close as designed.
Affected models
Model S 2012-2020
Model X 2015-2020
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.