PCS_a092_chgPowerLimitedByBusRipple

The Power Conversion System (PCS) electronic control unit (ECU) detects the charging power is limited due to excessive intermediate bus voltage ripples, which may be caused by electrolytic capacitor degradation.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

The rate of AC charging may be limited by the PCS.

Description

The Power Conversion System (PCS) electronic control unit (ECU) detects the charging power is limited due to excessive intermediate bus voltage ripples, which may be caused by electrolytic capacitor degradation.

Cause

The PCS ECU detects charging power is limited for more than 10 minutes due to excessive intermediate bus voltage ripples. Alert log signal data should provide more information on the specific condition(s) detected.

Clear condition

Charging power is no longer limited.

Models

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

Visibility

service-fix

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