APS_w249 — Ufs Failures

Full alert identifier: APS_w249_ufsFailures

Alert description

The Autopilot Electronic Control Unit (ECU) detects an unexpected condition affecting the Universal Flash Storage (UFS).

Potential impact

Autopilot functionality is limited or unavailable. The rear-view (backup) camera feed is unavailable on the Media Control Unit (MCU).

Set condition

The Autopilot UFS device experienced an unexpected condition affecting its operation. Alert log signal data will provide further information on the specific condition(s).

Clear condition

Clears automatically.

Signals to check

These diagnostic fields are associated with APS_w249. Check the alert's Payload in Service Mode Plus for available values.

Signal	Unit
Ufs Init Failure Reason `APS_sw249_ufsInitFailureReason` 0 NO ERROR 1 LINK STARTUP CMD FAILED 2 INIT DESCRIPTOR FAILED 3 NOP CMD FAILED 4 POWER MODE CHANGE FAILED 5 FDEVICEINIT FAILED 6 TESTREADY FAILED	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of APS_w249.