PCS_a102 — Reset With DCDC Cmd Asserted

Full alert identifier: PCS_a102_resetWithDCDCCmdAsserted

Alert description

The Power Conversion System (PCS) electronic control unit (ECU) unexpectedly experiences a reset or power cycle while performing DCDC operations.

Potential impact

No expected impact on vehicle functionality.

Set condition

During initialization, the PCS ECU detects the High Voltage Processor (HVP) is already sending a control request for low voltage (LV) support, indicating the PCS likely experienced a reset or power cycle unexpectedly while performing DCDC operations.

Clear condition

Clears automatically.

Signals to check

These diagnostic fields are associated with PCS_a102. Check the alert's Payload in Service Mode Plus for available values.

Signal	Unit
NMI Flag Registers `PCS_a102_NMIFlagRegisters`	—
Dcdc Enable Line `PCS_a102_dcdcEnableLine`	—
Pcs Control Request `PCS_a102_pcsControlRequest` 0 SHUTDOWN 1 SUPPORT 2 PRECHARGE 3 DISCHARGE	—
System Reset Registers `PCS_a102_systemResetRegisters`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PCS_a102.