BMW fault code 9F18

Seat module, driver, rear

In the seat module, driver, rear, code 9F18 means different things depending on the version of the module in the car. Find your car below; the app shows the right one for yours.

SMFAH: Temperature sensor, rapid heating field, seat cushion

Module version: Seat module, driver, rear (FAH_65_2)

In: 7 Series (E65) 2001–2008, 7 Series (E67) 2002–2008, 7 Series (E66) 2002–2008

SMFAH: Temperature sensor, rapid heating area, cushion

Module version: Seat module, driver, rear (FAH_E65)

In: 7 Series (E65) 2001–2008, 7 Series (E66) 2002–2008, 7 Series (E67) 2002–2008

Error motor LBV

Module version: Seat module, driver, rear (FAH_PLX)

In: 7 Series (E65) 2001–2008, 7 Series (E67) 2002–2008, 7 Series (E66) 2002–2008

Reading and clearing it

Fault code 9F18 is a BMW code, stored in the car's seat module, driver, rear, 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 seat module, driver, rear is on: 7 Series (E65), 7 Series (E66), 7 Series (E67)

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