Home >> Land Rover >> 2013 >> Range Rover Evoque Pure >> Repair and Diagnosis >> Transmission >> Transfer Case >> Diagnostic Trouble Code Index DTC: All Wheel Drive Control Module (AWDCM) -- Range Rover EVOQUE/L538 >> Diagnostic Trouble Code Index DTC: All Wheel Drive Control Module (AWDCM) >> Description And Operation >> DTC P1889-41: Oil Pressure Pump Performance - General checksum failure >> Possible Causes