BMW fault code 637E
Damper satellite, rear left
EDCSHL: Control module not coded or implausible data
Module version: Damper satellite, rear left (EDCSHL)
Reading and clearing it
Fault code 637E is a BMW code, stored in the car's damper satellite, rear left, 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 damper satellite, rear left is on: X5 (E70), X6 (E71), X6 (E72)
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