VCFRONT1_a252 — Pcs Ov Shutdown Self Test Stage Failure

Full alert identifier: VCFRONT1_a252_pcsOvShutdownSelfTestStageFailure

Alert description

One or more stages of the Power Conversion System (PCS) overvoltage shutdown self-test on the Front Vehicle Controller (VCFRONT) is unsuccessful.

The PCS overvoltage shutdown circuit may not be functional.

One or more stages of the PCS overvoltage shutdown self-test is unsuccessful.

The VCFRONT resets, or the PCS overvoltage shutdown self-test is successful.

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
Bus Voltage `VCFRONT1_a252_busVoltage`	V
Dcdc Enable Line Voltage `VCFRONT1_a252_dcdcEnableLineVoltage`	V
Ov Clamp Monitor Voltage `VCFRONT1_a252_ovClampMonitorVoltage`	V

Signal	Unit
Incorrect Clamp Monitor 1 Voltage `VCFRONT1_a252_incorrectClampMonitor1Voltage`	—
Incorrect Clamp Monitor 2 Voltage `VCFRONT1_a252_incorrectClampMonitor2Voltage`	—
Incorrect Clamp Monitor 3 Voltage `VCFRONT1_a252_incorrectClampMonitor3Voltage`	—
Incorrect Pcs Dcdc Enable Feedback `VCFRONT1_a252_incorrectPcsDcdcEnableFeedback`	—
Incorrect Pcs Enable Line Voltage `VCFRONT1_a252_incorrectPcsEnableLineVoltage`	—
Incorrect Pcs Support Status `VCFRONT1_a252_incorrectPcsSupportStatus`	—
Incorrect Pcs Trip State `VCFRONT1_a252_incorrectPcsTripState`	—
Incorrect Pin Configuration `VCFRONT1_a252_incorrectPinConfiguration`	—

Show 8 more fields

Signal	Unit
Ov Clamp Monitor Channel `VCFRONT1_a252_ovClampMonitorChannel`	—
Pcs Dcdc Enable Feedback `VCFRONT1_a252_pcsDcdcEnableFeedback`	—
Pcs Ov Clamp Armed `VCFRONT1_a252_pcsOvClampArmed`	—
Pcs Ov Self Test Enabled `VCFRONT1_a252_pcsOvSelfTestEnabled`	—
Pcs Ov Shutdown Armed `VCFRONT1_a252_pcsOvShutdownArmed`	—
Pcs Ov Shutdown Fault Pin Active `VCFRONT1_a252_pcsOvShutdownFaultPinActive`	—
Pcs Supporting `VCFRONT1_a252_pcsSupporting`	—
Stage `VCFRONT1_a252_stage` 0 UNDEFINED 1 RATIONALITY SETUP CHECK 2 CLAMP LOW SIDE CHECK 3 RATIONALITY SHUTDOWN ARMED CHECK 4 CLAMP HIGH SIDE CHECK 5 RATIONALITY PCS SHUTDOWN CHECK	—

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT1_a252.