UI_a038 — Audio Watchdog A2b I2C Lockup Error

Full alert identifier: UI_a038_AudioWatchdogA2bI2cLockupError

Alert description

The A2B I2C bus experiences a lockup condition, which may cause audio devices on the A2B I2C bus to be inaccessible and may lead to a complete loss of audio.

Potential impact

Audio devices on the A2B I2C bus may be inaccessible, and there may be a complete loss of audio.

Set condition

The A2B I2C bus experiences a lockup condition.

Clear condition

The lockup condition on the A2B I2C bus is resolved.

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of UI_a038.

UI_a037 — Audio Watchdog Xrun Storm Error UI_a037_AudioWatchdogXrunStormError Audio stack is resetting within 1 minute of the vehicle waking while parked. This is due to recurring XRUN messages present in the logs.
UI_a036 — Audio Watchdog UI_a036_AudioWatchdog Audio stack resetting UI within 1 minute of waking while vehicle parked, includes payload for reset reason.
UI_a039 — Audio A2b Need Rediscovery UI_a039_AudioA2bNeedRediscovery A condition was detected on the audio A2B primary node and now requires a new device discovery over the A2B bus, which may lead to a temporary interruption of audio. This alert only sets if the vehicle is not in sleep.
UI_a077 — Audio A2b Mic Channel Swap UI_a077_AudioA2bMicChannelSwap The A2B microphone channels are in a swapped state
UI_a223 — Database Error UI_a223_databaseError An error with a User Interface (UI) database was detected and the automatic recovery was not able to restore its functionality. Therefore some data from this database may be missing or incorrect and dependent features may not function as e…

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