BMW fault code 5FAA
Single-axle air suspension
EHC: No process/process to slow (compl. veh.) when lowering requested
Module version: Double-axle air suspension (EHC2RR)
In: 7 Series (E65) 2001–2008, 7 Series (E66) 2002–2008, 7 Series (E67) 2002–2008
Reading and clearing it
Fault code 5FAA is a BMW code, stored in the car's single-axle air suspension, 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 single-axle air suspension is on: 5 Series (E60), 5 Series (E61), 6 Series (E63), 6 Series (E64), 7 Series (E65), 7 Series (E66), 7 Series (E67), X5 (E70), X6 (E71), X6 (E72)
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