BMW fault code 0091

Electronic fuel pump control module

EKPS: Control voltage too high

Module version: Electronic fuel pump control module (EKP2DS2)

In: X3 (E83) 2003–2010, Z4 (E85) 2002–2008, Z4 (E86) 2006–2008

Reading and clearing it

Fault code 0091 is a BMW code, stored in the car's electronic fuel pump control module, 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 fuel pump control module is on: 3 Series (E46), X3 (E83), Z4 (E85), Z4 (E86)

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