BMW fault code 49A8

Engine electronics

In the engine electronics, code 49A8 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.

49A8 Message (RQ_STG_EFAN, 0x?)

Module versions: Digital Diesel Electronics (D50M57C0), Digital Diesel Electronics (D50M57D0), Digital Diesel Electronics (D50M57E0), Digital Diesel Electronics (D60M47A0), Digital Diesel Electronics (D60PSA0), Digital Diesel Electronics (D62M57B0), Diesel electronics master (D63MM670)

Which BMWs have these versions depends on the engine and equipment, so we don't list them here; AutoLingo for BMW reads which version your car has.

Message error (request for electric fan, 0x580), DDE receiver, DSC / AFS transmitter

Module versions: Digital Diesel Electronics (D60M57A0), Digital Diesel Electronics (D62M57A0)

Which BMWs have these versions depends on the engine and equipment, so we don't list them here; AutoLingo for BMW reads which version your car has.

Message (request for electric fan, 0x580) incorrect, receiver DME, transmitter AFS

Module version: Digital Diesel Electronics (D60M57D0)

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 49A8 is a BMW code, stored in the car's engine electronics, 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 engine electronics is on: 3 Series (E46), Z8 (E52), X5 (E53), 5 Series (E60), 5 Series (E61), 6 Series (E63), 6 Series (E64), 7 Series (E65), 7 Series (E66), 7 Series (E67), X5 (E70), X6 (E71), X6 (E72), 1 Series (E81), 1 Series (E82), X3 (E83), X1 (E84), Z4 (E85), Z4 (E86), 1 Series (E87), 1 Series (E88), Z4 (E89), 3 Series (E90), 3 Series (E91), 3 Series (E92), 3 Series (E93)

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