This bulletin applies to 2023 Tesla Model 3 and 2026 Model Y vehicles.  Certain vehicles are equipped with High Voltage (HV) battery positive and negative contactors manufactured with a solenoid which may suddenly open due to a poor coil termination connection, potentially causing a sudden loss of propulsion. The correction: replace the HV battery positive and negative contactors with updated parts P/N 1089334-01-K.