El coche no tiene sensor para eso, sino un simple contador.
Probablemente, al meter las gomas nuevas no reiniciaste el contador en el menú del coche, @fercobm , y él piensa que por tiempo ya te toca cambiarlos.
Parece que si lo hace:
"Tesla vehicles monitor tread wear by analyzing the long-term average speed difference between front and rear axles, identifying when rear tires are spinning faster due to reduced diameter. The system alerts drivers when it estimates a significant tread depth difference, often caused by faster rear tire wear.
Key Details on Tesla's Tread Depth Monitoring:
Detection Method: The system uses ABS and traction control sensors to measure the rotations per distance for each wheel. Because worn tires have a smaller diameter, they must spin more frequently to cover the same distance as less-worn tires.
Trigger for Alerts: A message appears if the rear tires have significantly less tread than the front, generally when a difference exceeding 1.5mm is detected.
Typical Causes: This is often triggered by the higher wear rate of the rear motor in dual-motor setups. Other factors include incorrect wheel rotation settings, mismatched tire pressure, or recently changed tires that haven't been re-calibrated.
What to Do: When this amber/orange notification appears, it is a recommendation to inspect tires for rotation or replacement. The warning can be reset in the service menu under Controls > Service > Wheel & Tire Configuration > Tires.
This feature is designed to increase safety by identifying potentially worn tires before they reach dangerous levels."