BMW fault code 009F
Electronic engine power control
Electronic engine power control: Stepper motor output stage, throttle valve 1 faulty
Module version: Electronic engine power control (EML3)
In: 7 Series (E38) 1994–2001
Reading and clearing it
Fault code 009F is a BMW code, stored in the car's electronic engine power control, not a generic OBD2 code (P0xxx): a generic OBD2 reader only reaches the engine's emissions faults, so it won't show it. AutoLingo for BMW reads it with BMW's own diagnostic protocols, in plain English, with the details the module stored about it, and clears it after a repair. If a fault comes right back after it's cleared, the problem is still there.
The electronic engine power control is on: 8 Series (E31), 7 Series (E32), 7 Series (E38)
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