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Home >> BMW >> 2012 >> Alpina B7Lx >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Diagnostic Trouble Codes - DTC P0035 - DTC P0480 (N63 & S63) >> Diagnostic Trouble Codes (DTCS) MSD85 - Bn2020 >> DTC P0444, BMW Hex Code 0x191004, BMW Code 1642500: Evaporative Emission System Purge Control Valve 'A' Circuit Open >> Monitoring criteria

Monitoring criteria

a control-activation signal is transmitted to the EVAP evaporative emission valve and the circuit is open.

Potential problem source(s):

-Defect in wiring harness between DME and EVAP evaporative emissions valve

-No voltage supply to EVAP evaporative emissions valve

-Fuel tank ventilation valve defective