Conditions For Setting DTC P1875 (Condition No. 1)

NOTE: DTC will set if one of the following groups of conditions occur.

4WD low switch is in 4WD low.
Transfer case is not in 4WD low.
TCC slip speed is between -3000 RPM and -50 RPM.
Transfer case ratio is .8-1.2 (transfer case ratio is engine speed divided by transfer case output speed).
All conditions are met for 5 seconds.