U0121

The U0121 code in a Tesla Model Y indicates a loss of communication with the vehicle's steering angle sensor. This can result in issues with steering assist and stability control systems.

The U0121 error code indicates a loss of communication with the vehicle's steering angle sensor in the Tesla Model Y (2020-present).

Error code U0121 indicates a loss of communication with the Anti-lock Brake System (ABS) module on a Tesla Model Y (2020-present). This can lead to issues with vehicle stability control and braking performance.

The U0121 code on a Tesla Model Y (2020-present) indicates a communication issue between the vehicle's control modules, specifically that the vehicle has lost communication with the Anti-lock Brake System (ABS) module.