BMW fault code 0000
Automatic heating/air conditioning
In the automatic heating/air conditioning, code 0000 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.
IHKA: Ventilation-flap motor
Module versions: Automatic heating/air conditioning (IHKA39_5), Automatic heating/air conditioning (IHKA46), Automatic heating/air conditioning (IHKA46_2), Automatic heating/air conditioning (IHKA46_3), Automatic heating/air conditioning (IHKA83)
In: 3 Series (E36) 1990–2000, 3 Series (E46) 1998–2006, 5 Series (E39) 1998–2003, X3 (E83) 2003–2010, X5 (E53) 1999–2006, Z4 (E85) 2002–2008, Z4 (E86) 2006–2008, Z8 (E52) 2000–2003
Ventilation flap motor
Module versions: Automatic heating/air conditioning (IHKA39), Integrated automatic heating/air conditioning system (IHKA39_2), Automatic heating/air conditioning (IHKA39_3), Automatic heating/air conditioning (IHKA39_4)
In: 3 Series (E36) 1990–2000, 3 Series (E46) 1998–2006, 5 Series (E39) 1995–2003, X5 (E53) 1999–2006, Z8 (E52) 2000–2003
Ventilation flap motor left
Module versions: Automatic heating/air conditioning (IHKA38), Automatic heating/air conditioning (IHKA38_2), Automatic heating/air conditioning (IHKA38_3)
In: 3 Series (E46) 1998–2006, 7 Series (E38) 1994–2001, X5 (E53) 1999–2006, Z8 (E52) 2000–2003
Info relay 1 HHS monitor
Module version: Automatic heating/air conditioning (IHKA85)
In: X3 (E83) 2003–2010, Z4 (E85) 2002–2008, Z4 (E86) 2006–2008
Ventilation flap motor left IHKA
Module version: Heating/air-conditioning regulation (IHKR38)
In: 3 Series (E46) 1998–2006, 7 Series (E38) 1994–2001, X5 (E53) 1999–2006, Z8 (E52) 2000–2003
free 0x00
Module version: Heating/air-conditioning regulation (IHKR39)
In: 3 Series (E36) 1990–2000, 3 Series (E46) 1998–2006, 5 Series (E39) 1998–2003, X5 (E53) 1999–2006, Z8 (E52) 2000–2003
IHKR: Fresh-air/recirculated-air flap motor, left
Module version: Heating/air-conditioning regulation (IHKR46)
In: 3 Series (E36) 1990–2000, 3 Series (E46) 1998–2006, X3 (E83) 2003–2010, X5 (E53) 1999–2006, Z4 (E85) 2002–2008, Z4 (E86) 2006–2008, Z8 (E52) 2000–2003
IHKS: Footwell-flap motor
Module version: Heating/air-conditioning control (IHKS52)
In: 3 Series (E36) 1990–2000
Reading and clearing it
Fault code 0000 is a BMW code, stored in the car's automatic heating/air conditioning, 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 automatic heating/air conditioning is on: 3 Series (E36), Z3 (E36/7), 7 Series (E38), 5 Series (E39), 3 Series (E46), Z8 (E52), X5 (E53), X3 (E83), Z4 (E85), Z4 (E86)
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