MCU family
MCU_w049_AudioWatchdogA2bI2cLockupError
Not Available
What does the MCU_w049_AudioWatchdogA2bI2cLockupError alert mean?
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.
What you'll see in your Tesla
- Not Available
What triggers it
The lockup condition on the A2B I2C bus is resolved.
When it clears
Audio devices on the A2B I2C bus may be inaccessible, and there may be a complete loss of audio.
Potential impact
The A2B I2C bus experiences a lockup condition.
Affected models
Model S 2012-2020
Model X 2015-2020
Track your Tesla's alerts automatically
Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.