BMW fault code 440000
Hybrid parking lock
DSM: Line fault. Term. 30 undervoltage
Module version: Hybrid parking lock (DSM_72)
In: X6 (E72) 2009–2011
Reading and clearing it
Fault code 440000 is a BMW code, stored in the car's hybrid parking lock, 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 hybrid parking lock is on: X6 (E72)
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