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Home >> BMW >> 2013 >> 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 P0686, BMW Hex Code 0x1F0502, BMW Code 2032898: ECM/PCM Power Relay Control Circuit Low >> Fault description

Fault description

E7X: The diagnostic function monitors the DME main relay. F01: The diagnostic function monitors the voltage supply from the CAS to the DME.

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