Engine Code P0152...

so, I got that code...P0152 = O2 sensor circuit high volts bank 2 sensor 1...can anyone translate that into english and suggest a possible cause and fix? Also, if this means I may explode :explosion soon please note that because I intend to drive with it for a few days...
Thanks
:repair:

sounds like the o2 sensor is unplugged or just bad. the rear one before the cat.

Got this warning again after checking with a dealer and independent mechanic, both said to forget about it, however, when it codes it stalls or nearly stalls. I am wondering if this is a cause or a symptom? (That is, the low voltage, if in error, is causing the mixture to be thrown off?) I may attempt to replace this unit...huh...thats odd, almost 1 year, to the day, and the same problem again...