PCS_a071 — Chg Pfc I Loop Rationality

Full alert identifier: PCS_a071_chgPfcILoopRationality

Alert description

The onboard charger detects the accumulated difference between estimated current and measured current is too large, reducing AC charge rate or making AC charging unavailable.

Potential impact

Reduced AC charge rate or inability to AC charge.

Set condition

The onboard charger detects the accumulated difference between estimated current and measured current is too large / outside acceptable range.

Clear condition

The onboard charger will restart the affected converter(s) automatically until the maximum number of retry attempts has been reached. A charge cable cycle (disconnect and then reconnect to the vehicle) may also be required, after which the onboard charger must detect the accumulated difference between estimated current and measured current is again within acceptable range.

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
Input Frequency `PCS_a071_inputFrequency` 0 FREQUENCY UNKNOWN	Hz
Input Vrms `PCS_a071_inputVrms`	V
Int Bus V `PCS_a071_intBusV`	V
Llc Frequency `PCS_a071_llcFrequency`	kHz

Signal	Unit
Ph State `PCS_a071_phState` 0 INIT 1 IDLE 2 PRECHARGE 3 ENABLE 4 FAULT 5 CLEAR FAULTS 6 SHUTTING DOWN	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PCS_a071.