PCS_a090_expectedAcVoltageSourceMissing

PCS detects one or more power converter expected AC voltage sources are missing, possibly due to bad utility wiring or vehicle HV harness connection.

Live incidence rate

0.02% (Rare)

Vehicle messages

Charging slowed - Some AC phases not powered
Check power source and charging equipment

Impact

Reduced AC charge rate or inability to AC charge

Description

PCS detects one or more power converter expected AC voltage sources are missing, possibly due to bad utility wiring or vehicle HV harness connection.

Cause

Charger detects that one or more expected AC voltage sources is missing, possibly due to bad external wiring

Clear condition

Charger state machine retries or charge cable is cycled

Models

Model 3 2017-2023, Model 3 2024+, Model S 2021+, Model X 2021+, Model Y, Model Y 2025+

Visibility

customer, service

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