DTC P1889-19: Oil Pressure Pump Performance - Circuit Current Above Threshold: Action
- Carry out visual check of the cable and connector between oil pump and the rear differential control module
- Clear the DTC and retest
- If the DTC returns, check and install a new pump as required. For additional information, refer to: Active On-Demand Coupling Oil Pump
- Clear the DTC and retest
- If the DTC returns, carry out oil level check procedure. For additional information, refer to: Active On-Demand Coupling Filling
- Clear the DTC and retest
- If the DTC returns, check and install a new (GEN 4) rear differential control module kit as required. For additional information, refer to: Active On-Demand Coupling Module