BMW fault code 804855

804855 is a fault stored in your BMW's memory (an ISTA fault code, not a standard OBD-II P-code).

What it means:
NFC reader in the driver's door handle (contactless access — Comfort Access, Digital Key, phone unlocking) — hardware defect. Digital Key/phone won't work at the driver's handle; cause: failed NFC module, water/corrosion, or a loose connector in the door.

Related codes: 800A01 · 800A24 · 800ABF · 800F00 · 8011F9 · 801228 · 801724 · 801734

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