BMW fault code 2D04
Engine electronics
In the engine electronics, code 2D04 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.
DME: Throttle-valve actuator, test of lower limit position
Module versions: Engine electronics (ME9N62_2), Engine electronics (N62_TUE), Engine electronics (N62_TUE2), Engine electronics, cylinder bank 1 (N73TU_R0)
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.
DME, internal fault, oxygen sensor before catalytic converter: Oxygen-sensor module, undervoltage
Module versions: Engine electronics (MEVD174K), Engine electronics (MEVD176K), Engine electronics (MEVD17KW), Engine electronics (MVD1722)
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.
DME: Throttle actuator (CDKDVEU Throttle valve adaptation)
Module versions: Engine electronics (ME9N45), Engine electronics (MEV9N46), Engine electronics (MEV9N46L)
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.
Reading and clearing it
Fault code 2D04 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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