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Home >> BMW >> 2012 >> X6 50i >> Repair and Diagnosis >> External Pages >> Different car >> Section 1539 (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 >> Possible Fault Causes

Possible Fault Causes

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E7X: - The control-activation wire to the DME main relay has a short circuit to positive or is open

-Defective DME main relay F01:

-Defect in wiring harness between CAS and DME

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