P1889-19: Oil Pressure Pump Performance - Circuit current above threshold: Action
- Clear the DTC and retest. If the fault persists, refer to the electrical circuit diagrams and check the transfer case actuator circuit for short circuit to ground, short circuit to power. Repair the wiring as necessary
- If the fault persists, or there are no wiring faults present, install a new transfer case actuator. Drain and refill the transfer case and bleed the pump. Clear the DTC and retest
- Refer to SYMPTOM CHART for actions associated with the message - Traction Reduced - 2 Wheel Drive Only - and continue to the pinpoint tests as necessary