When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
The P0153 means that H02S-21 has slow response and the P1152 means that H02S-21 is reading rich and not switching.
H02S-21 means Heated Oxygen Sensor- bank2, 1st sensor.....the driver's side front one like you thought
H02S-11 would be bank1, 1st sensor, H02S-12 would be bank1, 2nd sensor etc.
Chances are pretty good that a new sensor will take care of it.