Home >> BMW >> 2011 >> X6 ActiveHybrid >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Diagnostic Trouble Codes (ACTIVEHYBRID) - DTC P11AA, BMW DTC 100201 Through DTC P10B9, BMW DTC 108D08 >> DTC P12B9, BMW DTC 105201: Ambient-pressure sensor, run-on: pressure too high >> Fault code