Home >> BMW >> 2011 >> X6 ActiveHybrid >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Diagnostic Trouble Codes (ACTIVEHYBRID) - DTC P0040, BMW DTC 128008 Through DTC P300F, BMW DTC 138904 >> DTC P2297, BMW DTC 128501: Oxygen sensor before catalytic converter, in coasting/overrun mode: Signal outside limit value >> Fault code