Home >> BMW >> 2011 >> Alpina B7 >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - Diagnostic Trouble Codes - DTC P14C0 - DTC U1179 (N63 & S63) >> Diagnostic Trouble Codes (DTCS) MSD85 - Bn2020 >> DTC P1603, BMW Hex Code 0x200504, BMW Code 2098436: Control Module Self-Test, Torque Monitoring >> System test