DTC P1875: 4WD "Lo" Switch Circuit Fault: Condition
DTC P1875 will set while driving faster than 3 MPH with throttle angle greater than 5 percent for at least 20 seconds and the following conditions are present:
- Vehicle speed indicated by VSS (speedometer) is greater than 6 MPH less than speed indicated by VSS (transmission) when 4WD "LO" switch is open.
- Vehicle speed indicated by VSS (speedometer) is more than 6 MPH greater than speed indicated by VSS (transmission) when 4WD "LO" switch is closed.