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Home >> Jeep >> 2002 >> Liberty Limited, 4WD, Part Time >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0838: 4WD Mode Sensor Low >> Monitored & Set Conditions

Monitored & Set Conditions

4WD mode sensor input circuit voltage is monitored continuously with the ignition on. DTC will set if the 4WD mode sensor input circuit voltage falls below 0.3 volt for 5.72 seconds.