BMW fault code 9C59

Automatic heating/air conditioning

In the automatic heating/air conditioning, code 9C59 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: Temperature control knob, right

Module versions: Automatic heating/air conditioning (IHKA60), Automatic heating and air conditioning (IHKA60_2)

In: 5 Series (E60) 2003–2010, 5 Series (E61) 2004–2010, 6 Series (E63) 2003–2010, 6 Series (E64) 2004–2010

IHKA: Current consumption, compressor control

Module version: Automatic heating/air conditioning (IHKA65)

In: 7 Series (E65) 2001–2008, 7 Series (E66) 2002–2008, 7 Series (E67) 2002–2008

IHKA: Evaporator temperature sensor

Module version: Automatic heating/air conditioning (IHKA70)

In: X5 (E70) 2006–2013, X6 (E71) 2008–2014, X6 (E72) 2009–2011

IHKA: Ventilation flap, servomotor, knee, left

Module version: Automatic heating/air conditioning (IHKARR)

In: 7 Series (E65) 2001–2008, 7 Series (E67) 2002–2008, 7 Series (E66) 2002–2008

Reading and clearing it

Fault code 9C59 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: 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), X1 (E84), 1 Series (E87), 1 Series (E88), Z4 (E89), 3 Series (E90), 3 Series (E91), 3 Series (E92), 3 Series (E93)

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