PCS_a090 — Expected Ac Voltage Source Missing
Full alert identifier: PCS_a090_expectedAcVoltageSourceMissing
Message shown in the car
Charging slowed - Some AC phases not powered Check power source and charging equipment
Alert 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
Potential impact
Reduced AC charge rate or inability to AC charge
Set condition
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
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 |
|---|---|
V Rms L 1 L 2
PCS_
|
V |
V Rms L 1 N
PCS_
|
V |
V Rms L 2 N
PCS_
|
V |
V Rms L 3 N
PCS_
|
V |
| Signal | Unit |
|---|---|
Evaluated Grid Config
PCS_
|
— |
Ph A Source Missing
PCS_
|
— |
Ph B Source Missing
PCS_
|
— |
Ph C Source Missing
PCS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PCS_a090.