VCREAR_a414 — Undervoltage Self Test Failure

Full alert identifier: VCREAR_a414_undervoltageSelfTestFailure

Alert description

The Rear Domain Undervoltage self-test did not pass, as a condition affecting a load on the Rear Domain was detected during the self-test.

Potential impact

The undervoltage protection circuit may not be functional.

Set condition

The Rear Domain Undervoltage self-test does not succeed. If a stuck-on or stuck-off condition is present, specific information can be found in the undervoltage self-test stuck-on or stuck-off debugging alerts.

Clear condition

Vehicle controller reset or successful Rear Domain Undervoltage self-test.

Signals to check

These diagnostic fields are associated with VCREAR_a414. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
Device Stuck On Failure `VCREAR_a414_deviceStuckOnFailure`	—
Failure Reason `VCREAR_a414_failureReason` 0 NONE 1 DEVICE STUCK ON 2 BRIDGE 3 BRIDGE AND DEVICE STUCK ON 4 LOAD UNATTEMPTED ON 8 FOLLOWER 16 TIMEOUT	—
Load Unattempted On Failure `VCREAR_a414_loadUnattemptedOnFailure`	—
Uv Loadshed Voltage `VCREAR_a414_uvLoadshedVoltage`	V
Uv Loadshed Vsense Dig In `VCREAR_a414_uvLoadshedVsenseDigIn`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCREAR_a414.