Home >> BMW >> 2012 >> Z4 35is >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Diagnostic Trouble Codes - DTC P0010 - P14C6 (N54) >> BMW MSD80 >> DTC P0686, BMW Hex Code 0x2ACB, BMW Code 10955: ECM/PCM Power Relay Control Circuit Low (MIN) >> System test