Home >> BMW >> 2012 >> 760Li >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - N74 - Diagnostic Trouble Codes - DTC P2089 (BMW DTC 130001) Through DTC P144B (BMW DTC 193208) >> DTC P1448; BMW DTC 190402: DMTL, system fault: pump current too low during reference measurement >> Fault code