2002 lexus is300
Thank you for the reply. This is somewhat common on this car. THis code means that the o2 sensor heater has failed. I HIGHLY recommend factory brand parts here to resolve. You need to replace bank 2 sensor 2, this is the one that is in the far rear, the sensor connector runs up into the car and can be unplugged by reaching in and under the vent that runs under the passenger front seat.
This is what the sensor and location under the car looks like:
Former Lexus Master technician
Master Certified with lexus, 6 years experience