Home >> BMW >> 2011 >> 760Li >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - N74 - Diagnostic Trouble Codes - DTC P15D0 (BMW DTC 20A701) Through DTC U1128 (BMW DTC CDC304) >> DTC P15C3; BMW DTC 215A01: Intelligent battery sensor (IBS): wake-up line, open circuit >> Fault code