PCS_a092 — Chg Power Limited By Bus Ripple
Full alert identifier: PCS_a092_chgPowerLimitedByBusRipple
Alert 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.
Potential impact
The rate of AC charging may be limited by the PCS.
Set condition
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.
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 |
|---|---|
Chg Temp Ph A
PCS_
|
C |
Chg Temp Ph B
PCS_
|
C |
Chg Temp Ph C
PCS_
|
C |
Pfc Irms Ph A
PCS_
|
A |
Pfc Irms Ph B
PCS_
|
A |
Pfc Irms Ph C
PCS_
|
A |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PCS_a092.