DTC P1889-19: Oil Pressure Pump Performance - Circuit current above threshold: Action
- Refer to the appropriate system wiring diagrams and check the transfer case fluid pump circuit for short circuit to ground, short circuit to power. Repair the wiring harness or install a new transfer case fluid pump as necessary
- Drain a sample of transfer case fluid and check for debris. If no debris is present, install a new transfer case fluid pump. Drain and refill the transfer case with the specified grade and volume of fluid
- Drain a sample of transfer case fluid and check for debris. If debris is present, install a new transfer case
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and perform routine - On Demand Self Test. If the fault persists, install a new transfer case control module