Sorry Meatball, I'm not Larry Sargent, but I pulled this straight from the manual:
"To Set OBD-II setting for no rear 02’s -Turn all of the following parameters to "OFF" position: OBD-II MIL / OBD-II Test Heater bank 1 downstream / Heater bank 2 downstream O2 Sensor Config. O2 Config = Turn this off for no rear O2 sensors, this tells PCM that no rear O2 sensors exist, the heater 1 and 2 have to be turned off as well.
NOTE: OBD-II adjustments are to be done on off-road vehicles only! Not for street use, off-road vehicles only."
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