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Home >> BMW >> 2011 >> Alpina B7L >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - Diagnostic Trouble Codes - DTC P11AA - DTC P12B6 (N63 & S63) >> Diagnostic Trouble Codes (DTCS) MSD85 - Bn2020 >> DTC P0103, BMW Hex Code 0x102B01, BMW Code 1059585: Mass or Volume Air Flow Sensor 'A' Circuit High >> Fault description

Fault description

The diagnostic function monitors whether the digital temperature signal for Bank 1 switches between LOW and HIGH.

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