VCFRONT_a244_sleepBypassFault
Not Available
What does the VCFRONT_a244_sleepBypassFault alert mean?
The front vehicle controller (VCFRONT) detects a condition affecting the Sleep Bypass Buck Converter circuit, preventing the vehicle from sleeping.
What you'll see in your Tesla
- Not Available
What triggers it
The output voltage measured by the VCFRONT from the Sleep Bypass Buck Converter is too low to support loads during vehicle sleep.
When it clears
The output voltage measured by the VCFRONT from the Sleep Bypass Buck Converter is within the expected operational voltage range.
Potential impact
The vehicle is unable to sleep and will consume more energy when idle, possibly becoming unresponsive / not waking as expected.
Affected models
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.