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Home >> BMW >> 2016 >> 335i Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 1084 (Self Diagnosis - Diagnostic Trouble Codes (N20 & N26)) >> Fault Code Tests >> DTC P1406: BMW DTC 194301; DME -- Internal EVAP System Leak Detection Module Error >> Fault description

Fault description

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The diagnosis is monitoring the voltage supply of the Natural Vacuum Leak Detection (NVLD).

Malfunction monitoring conditions

The fault is detected when the voltage supply of NVLD drops below a limit value or is interrupted.

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