UI-A122
UI_a122_AMDI2C0LostArbitration
What does UI-A122 mean?
Tesla alert code in the User Interface (UI) module. AMD i2c Bus 0 lost arbitration during a transaction Display status check failed due to datastream deserialization error. The deserialiser check failed because I2C bus 2 failed to open or reading the deserialization chip id failed. The I2C bus 2 has to initialize and the deserialization chip id has to be read successfully. Touchscreen is blank, unresponsive or has limited functionality.
Original Description
AMD i2c Bus 0 lost arbitration during a transaction Display status check failed due to datastream deserialization error. The deserialiser check failed because I2C bus 2 failed to open or reading the deserialization chip id failed. The I2C bus 2 has to initialize and the deserialization chip id has to be read successfully. Touchscreen is blank, unresponsive or has limited functionality.
Severity Notes
UI-A122 is an Alert in the User Interface system. It is generally safe to continue driving, but have it checked at your next scheduled service.