MCU family
MCU_w120_irqDisabled
Not Available
What does the MCU_w120_irqDisabled alert mean?
Kernel disabled an IRQ due to excessive spurious interrupt events
What you'll see in your Tesla
- Not Available
What triggers it
Kernel detected too many unhandled interrupt events
When it clears
IRQ is re-enabled upon reboot
Potential impact
Sluggish UI performance, loss of some UI functionality depending on which IRQ was disabled
Affected models
Model S 2012-2020
Model X 2015-2020
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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.