VCREAR family
VCREAR_a458_48VHeaterFusedRailOrLoadStuckOn
Seat heat functions limited
What does the VCREAR_a458_48VHeaterFusedRailOrLoadStuckOn alert mean?
Fused rail driver or downstream load driver cannot be turned off independently.
What you'll see in your Tesla
- Seat heat functions limited
- Electrical issue - Schedule service soon
What triggers it
Stuck-on condition (unexpected load or output) is detected on rail driver or any downstream load.
When it clears
Stuck-on condition (unexpected load or output) no longer detected on rail driver or any downstream load.
Potential impact
Front left seat heater and left frunk strut may be disabled.
Affected models
Cybertruck
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.