Home >> Land Rover >> 2013 >> LR2 HSE Lux >> Repair and Diagnosis >> General Information >> DTC Index >> Diagnostic Trouble Code Index DTC: Rear Differential Control Module (RDCM) -- LR2/L359 >> Diagnostic Trouble Code Index DTC: Rear Differential Control Module (RDCM) >> Description And Operation >> DTC P1889-14: Oil Pressure Pump Performance - Circuit Short To Ground Or Open >> Possible Causes