VCFRONT1_a251 — Pcs Ov Shutdown Self Test Failure

Full alert identifier: VCFRONT1_a251_pcsOvShutdownSelfTestFailure

Alert description

The Power Conversion System (PCS) overvoltage shutdown self-test on the Front Vehicle Controller (VCFRONT) is unsuccessful.

Potential impact

The PCS overvoltage shutdown circuit may not be functional. Separate LVUnhealthy alert indicating a condition affecting low voltage (LV) electrical system will also be present.

Set condition

The PCS overvoltage shutdown self-test is unsuccessful. Alert log signal data provides information on the specific condition(s) detected.

Clear condition

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

Signals to check

These diagnostic fields are associated with VCFRONT1_a251. Check the alert's Payload in Service Mode Plus for available values.

Signal	Unit
Clamp High Side Check Result `VCFRONT1_a251_clampHighSideCheckResult` 0 INVALID 1 FAILED 2 PASSED	—
Clamp High Side Failure Reason `VCFRONT1_a251_clampHighSideFailureReason` 0 NONE 1 INCORRECT PIN CONFIGURATION 2 INCORRECT CLAMP MONITOR VOLTAGE 3 INCORRECT PCS ENABLE LINE VOLTAGE 4 INCORRECT PCS TRIP STATE 5 INCORRECT PCS SUPPORT STATUS 6 INCORRECT PCS DCDC ENABLE FEEDBACK 7 MULTIPLE	—
Clamp Low Side Check Result `VCFRONT1_a251_clampLowSideCheckResult` 0 INVALID 1 FAILED 2 PASSED	—
Clamp Low Side Failure Reason `VCFRONT1_a251_clampLowSideFailureReason` 0 NONE 1 INCORRECT PIN CONFIGURATION 2 INCORRECT CLAMP MONITOR VOLTAGE 3 INCORRECT PCS ENABLE LINE VOLTAGE 4 INCORRECT PCS TRIP STATE 5 INCORRECT PCS SUPPORT STATUS 6 INCORRECT PCS DCDC ENABLE FEEDBACK 7 MULTIPLE	—
Rationality Pcs Shutdown Check Result `VCFRONT1_a251_rationalityPcsShutdownCheckResult` 0 INVALID 1 FAILED 2 PASSED	—
Rationality Pcs Shutdown Failure Reason `VCFRONT1_a251_rationalityPcsShutdownFailureReason` 0 NONE 1 INCORRECT PIN CONFIGURATION 2 INCORRECT CLAMP MONITOR VOLTAGE 3 INCORRECT PCS ENABLE LINE VOLTAGE 4 INCORRECT PCS TRIP STATE 5 INCORRECT PCS SUPPORT STATUS 6 INCORRECT PCS DCDC ENABLE FEEDBACK 7 MULTIPLE	—
Rationality Setup Check Result `VCFRONT1_a251_rationalitySetupCheckResult` 0 INVALID 1 FAILED 2 PASSED	—
Rationality Setup Failure Reason `VCFRONT1_a251_rationalitySetupFailureReason` 0 NONE 1 INCORRECT PIN CONFIGURATION 2 INCORRECT CLAMP MONITOR VOLTAGE 3 INCORRECT PCS ENABLE LINE VOLTAGE 4 INCORRECT PCS TRIP STATE 5 INCORRECT PCS SUPPORT STATUS 6 INCORRECT PCS DCDC ENABLE FEEDBACK 7 MULTIPLE	—

Show 3 more fields

Signal	Unit
Rationality Shutdown Armed Check Result `VCFRONT1_a251_rationalityShutdownArmedCheckResult` 0 INVALID 1 FAILED 2 PASSED	—
Rationality Shutdown Armed Failure Reason `VCFRONT1_a251_rationalityShutdownArmedFailureReason` 0 NONE 1 INCORRECT PIN CONFIGURATION 2 INCORRECT CLAMP MONITOR VOLTAGE 3 INCORRECT PCS ENABLE LINE VOLTAGE 4 INCORRECT PCS TRIP STATE 5 INCORRECT PCS SUPPORT STATUS 6 INCORRECT PCS DCDC ENABLE FEEDBACK 7 MULTIPLE	—
Test Timed Out `VCFRONT1_a251_testTimedOut`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT1_a251.