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PCS_a091 — Chg Int Bus Rationality

Full alert identifier: PCS_a091_chgIntBusRationality

Alert description

The Power Conversion System (PCS) electronic control unit (ECU) detects irrational intermediate bus voltage behavior.

Potential impact

The rate of AC charging may be reduced, or AC charging may be unavailable.

Set condition

The PCS ECU detects the intermediate bus voltage ripple peak-to-peak value for the charger phase exceeds the specified threshold.

Clear condition

The PCS charger phase is no longer enabled.

Signals to check

Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.

Signal Unit
Int Bus Max Ripple Level PCS_a091_intBusMaxRippleLevel V
Int Bus Target PCS_a091_intBusTarget V
Pfc Current Irms PCS_a091_pfcCurrentIrms A
Phase Input Vrms PCS_a091_phaseInputVrms A
Phase Temp PCS_a091_phaseTemp C

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PCS_a091.

Browse all PCS alert codes