VCTRAILER family
VCTRAILER_a202_hsdStuckOn
Trailer functionality may be unavailable
What does the VCTRAILER_a202_hsdStuckOn alert mean?
The trailer controller (VCTRAILER) detected a positive measured trailer brake current even when commanded duty cycle was 0%, possibly indicating the high side switch is stuck on
What you'll see in your Tesla
- Trailer functionality may be unavailable
- Exiting and re-entering vehicle may restore functionality
What triggers it
Measured current over threshold while in drive power state
When it clears
Toggle Trailer Mode OFF and ON
Potential impact
Trailer brakes may be inoperative
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.