One or more of the messages the Autopilot electronic control unit (ECU) receives periodically from the Brake Booster (BB) is not received on the Party bus, indicating the brake ECU may be unavailable (MIA).
<0.01% (Extremely rare)
None displayed
Autopilot features such as Traffic-Aware Cruise Control (TACC) may be unavailable, or may not function as expected.
One or more of the messages the Autopilot electronic control unit (ECU) receives periodically from the Brake Booster (BB) is not received on the Party bus, indicating the brake ECU may be unavailable (MIA).
One or more of the expected messages from the Brake Booster (BB) is not received on the Party bus.
The Autopilot ECU starts receiving expected messages from the Brake Booster (BB) on the Party bus.
Cybertruck, Model 3 2017-2023, Model 3 2024+, Model S 2021+, Model X 2021+, Model Y, Model Y 2025+
service
Sign up for Tessie. Try it free for 14 days. Happiness guaranteed.