BMW fault code 0006
Digital Sound Processor
In the digital sound processor, code 0006 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.
Low voltage Terminal 30 detected during self-test
Module version: Digital sound processor (DSP2)
In: 5 Series (E39) 1995–2003, 7 Series (E38) 1994–2001, X5 (E53) 1999–2006, Z8 (E52) 2000–2003
Checksum fault in external EEPROM (Lear)
Module version: Digital Sound Processor (DSP2_R)
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.
Top-DSP: Control-module fault (checksum error in external EEPROM Lear)
Module version: Digital Sound Processor (TOPDSP)
In: X3 (E83) 2003–2010, Z4 (E85) 2002–2008, Z4 (E86) 2006–2008
Top-DSP2: Control module: internal fault 6
Module version: Digital Sound Processor (TOPDSP2)
In: X3 (E83) 2003–2010, Z4 (E85) 2002–2008, Z4 (E86) 2006–2008
Reading and clearing it
Fault code 0006 is a BMW code, stored in the car's digital sound processor, 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 digital sound processor is on: 7 Series (E38), 5 Series (E39), Z8 (E52), X5 (E53), X3 (E83), Z4 (E85), Z4 (E86)
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