MCU_w049_AudioWatchdogA2bI2cLockupError

The Media Control Unit (MCU) detects 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.

Live incidence rate

<0.01% (Extremely rare)

Vehicle messages

None displayed

Impact

The A2B I2C bus experiences a lockup condition.

Description

The Media Control Unit (MCU) detects 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.

Cause

The lockup condition on the A2B I2C bus is resolved.

Clear condition

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

Models

Model S 2012-2020, Model X 2015-2020

Visibility

service

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