BMW fault code 974D
Satellite, seat, driver
SSFA: Control-module fault (voltage ZK1 not in order)
Module version: Satellite, seat, driver (SSFA)
In: 7 Series (E65) 2001–2008, 7 Series (E66) 2002–2008, 7 Series (E67) 2002–2008
Reading and clearing it
Fault code 974D is a BMW code, stored in the car's satellite, seat, driver, 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 satellite, seat, driver is on: 7 Series (E65), 7 Series (E66), 7 Series (E67)
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