CP family
CP_a016_apsVuv
Unable to charge
What does the CP_a016_apsVuv alert mean?
The charge port (CP) electronic control unit (ECU) detects lower than expected voltage from the low voltage (LV) battery.
What you'll see in your Tesla
- Unable to charge
- Service is required
What triggers it
The CP ECU detects LV supply less than 8V.
When it clears
The CP ECU detects LV supply above 8V.
Potential impact
Charging does not start.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
Semitruck
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