Home >> BMW >> 2011 >> X6 ActiveHybrid >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Diagnostic Trouble Codes (ACTIVEHYBRID) - DTC P15E0, BMW DTC 20A001 Through DTC U1179, BMW DTC CDC308 >> DTC P15C3, BMW DTC 215A01: Intelligent battery sensor (IBS): wake-up line, open circuit >> Fault code