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Home >> BMW >> 2012 >> 640i 2D Convertible >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - N55 - Diagnostic Trouble Codes - DTC P1638 (BMW DTC 100001) Through DTC P10EB (BMW DTC 10BA41) >> DTC P1638; BMW DTC 100001: Throttle valve, function: jammed briefly >> Condition for fault identification

Condition for fault identification

Test condition:

This fault is logged and the throttle valve is deactivated when the PWM signal used to control the throttle valve remains above 80% for longer than 5 sec.

Potential problem source(s):

Terminal condition: Terminal 15

Voltage condition:

Temperature condition:

Time condition:

Other conditions: