A6 Sedan V6-3.2L (BKH) (2007)
time there is no requirement from Air Quality Sensor (G238) to front A/C control head Climatronic Control Module (J255) for "Automatic
recirculating air" mode.
‹› The Sensor for air quality (G238) contains a highly sensitive electronic component which can be damaged if it comes in direct contact with
solvents, fuels or chemicals. For this reason, do not install sensors that may have come into contact with these substances.