All O2 sensors are located in the exhaust manifolds and in the exhaust front pipes close to the catalytic converters.
A 2000 Dodge Ram diesel does not have an oxygen sensor.
The oxygen sensor can not be reset and must be replaced if defective.
No.
There is no such thing as an oxygen speed sensor.
The oxygen sensor is mounted in the exhaust down-pipe
No.
It is in the front of the catalytic converter.
Bank two sensor two on a 2002 Ram is passenger side, after the catalyst.
Doesn't have one.
It will be above the catalytic converter.
Upstream, driver side.
You can not bypass it. The oxygen sensors are required for a proper running engine.