BMW fault code 31790

31790 is a fault stored in your BMW's memory (an ISTA fault code, not a standard OBD-II P-code).

What it means:
HU_MGU: Bluetooth pairing/connection-setup record. Part of the 3179x phone family — informational, not a vehicle fault.

Related codes: 31781 · 31782 · 31784 · 31785 · 31786 · 3178A · 31791 · 31793

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