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Home >> BMW >> 2011 >> Alpina B7 >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - Diagnostic Trouble Codes - DTC P11AA - DTC P12B6 (N63 & S63) >> Diagnostic Trouble Codes (DTCS) MSD85 - Bn2020 >> DTC P12B9, BMW Hex Code 0x105201, BMW Code 1069569: Ambient Pressure Sensor Afterrunning Diagnosis Pressure Too High >> Monitoring criteria

Monitoring criteria

The fault is recognized when the indicated sensor value deviates by (330 mbar or 10 %) (maximum selection) during the post-operational shutdown phase.

Potential problem source(s):

-Sensor wire with shunt current