BMW fault code D284
Rear-seat Entertainment
In the rear-seat entertainment, code D284 means different things depending on the version of the module in the car. Find your car below; the app shows the right one for yours.
RSE: K-CAN line fault
Module versions: Rear-seat Entertainment (RSE_70), Rear-seat Entertainment (RSE_MID)
In: 5 Series (E60) 2003–2010, X5 (E70) 2006–2013, X6 (E71) 2008–2014, X6 (E72) 2009–2011
Bus line error K-CAN
Module version: Multimedia box (MMB2RR)
Which BMWs have this version depends on the engine and equipment, so we don't list them here; AutoLingo for BMW reads which version your car has.
Reading and clearing it
Fault code D284 is a BMW code, stored in the car's rear-seat entertainment, 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 rear-seat entertainment is on: 5 Series (E60), 5 Series (E61), 6 Series (E63), 6 Series (E64), X5 (E70), X6 (E71), X6 (E72)
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