BMW fault code 0019

Automatic heating/air conditioning

In the automatic heating/air conditioning, code 0019 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.

Auxiliary heater wake line

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

free 0x19

Module versions: Automatic heating/air conditioning (IHKA38_2), Automatic heating/air conditioning (IHKA38_3), Heating/air-conditioning regulation (IHKR46)

In: 3 Series (E36) 1990–2000, 3 Series (E46) 1998–2006, 7 Series (E38) 1994–2001, X3 (E83) 2003–2010, X5 (E53) 1999–2006, Z4 (E85) 2002–2008, Z4 (E86) 2006–2008, Z8 (E52) 2000–2003

AUC heating

Module versions: Automatic heating/air conditioning (IHKA38), Heating/air-conditioning regulation (IHKR38)

In: 3 Series (E46) 1998–2006, 7 Series (E38) 1994–2001, X5 (E53) 1999–2006, Z8 (E52) 2000–2003

IHKA: Blower control voltage

Module versions: Automatic heating/air conditioning (IHKA46), Automatic heating/air conditioning (IHKA46_2)

In: 3 Series (E36) 1990–2000, 3 Series (E46) 1998–2006, X5 (E53) 1999–2006, Z8 (E52) 2000–2003

IHKA: Auxiliary water pump

Module versions: Automatic heating/air conditioning (IHKA46_3), Automatic heating/air conditioning (IHKA83)

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

Blower control voltage

Module version: Automatic heating/air conditioning (IHKA36)

In: 3 Series (E36) 1990–2000

IHKA: Relay, spray-nozzle heating

Module version: Automatic heating/air conditioning (IHKA39_5)

In: 3 Series (E36) 1990–2000, 3 Series (E46) 1998–2006, 5 Series (E39) 1998–2003, X5 (E53) 1999–2006, Z8 (E52) 2000–2003

Info compressor clutch

Module version: Automatic heating/air conditioning (IHKA85)

In: X3 (E83) 2003–2010, Z4 (E85) 2002–2008, Z4 (E86) 2006–2008

DME-AC

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

Reading and clearing it

Fault code 0019 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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