U102F/053295

U102F - Fan Identification Sensor: No Communications

Possible Causes

• Wiring, connections concerns or faulty G611-Radiator Identification Sensor

Possible Solutions

• Correct wiring, connection concerns or replace failed G611-Radiator Identification Sensor (w/radiator).

Special Notes

• Currently, the G611-Radiator Identification Sensor is not available separately, it comes with a new radiator when ordered from the vehicle's manufacture. The sensor will need to be attached to the radiator with AMV-195-KD1-01 adhesive, See Volkswagen Tech Tip 19-12-01 for more information.
  • https://static.nhtsa.gov/odi/tsbs/2015/MC-10122979-9999.pdf NHTSA

• The cooling surface of the radiator on some Volkswagen/Audi Group vehicles is coated with a catalyst that helps reduce Ozone, The G611 sensor monitors this function and is part of the federal emissions control of these vehicles which allows the manufacture to receive EPA 'credits'.
  • This technology is called PremAir®, see the BASF web site for more information.
  • https://catalysts.basf.com/products-and-industries/mobile-emissions-catalysts/specialized-catalysts/premair

• Note: The fault code 'U1030-LIN bus inactive' may also be present,this should clear when the U102F fault has been corrected.