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Q: What does code P0141 "post cat 02 sensor heater performance fault" mean on 2000 Chevrolet Cavalier

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
This is what came back from my engine light coming on and being diagnosed.
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for the po141.
Replace oxygen sensor (cannot repair open or short that occurs internally to sensor).
Repair short or open or high resistance in wiring harness or harness connectors.
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