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Home >> BMW >> 2012 >> 528xi >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Diagnostic Trouble Codes (N20 & N26) >> Fault Code Tests >> DTC P1639: BMW DTC 100101; DME -- Throttle Valve Position Control Throttle Stuck Permanently (Bank 1) >> Fault description

Fault description

The diagnosis monitors the throttle valve for freedom of movement.

Fault monitoring conditions:

The fault is recognized when the pulse-width modulated signal for activating the throttle valve is above 80 %.