BMW fault code 31799

31799 is a fault stored in your BMW's memory (an ISTA fault code, not a standard OBD-II P-code).

What it means:
Head unit (HU_MGU): a record of an app connection (BMW App / connected services). Phone/app connectivity, not a vehicle fault.

Related codes: 31781 · 31782 · 31784 · 31785 · 31786 · 3178A · 31790 · 31791

Decode your BMW's fault memory automatically in Telegram

Free reference for owners. Not affiliated with BMW AG; BMW and CarData are trademarks of BMW AG.