I scanned with vcds it shows this fault code: 02071 - Local Databus. 012 - Electrical Fault in Circuit. Freeze Frame: Fault Status: 01101100. Fault Priority: 3. Fault Frequency: 1. I checked all fuses and wires,also replaced the blower and module still the same. I guess it can be a Climatronic fault.
The blower output stage and the pressure sensor (see figure) use a shared signal line to communicate with the control units (Climatronic). If the sensor fails, communication is disrupted and the blower is no longer activated. The error code 2071 is then stored in the error memory.
HOW TO FIX COOLANT SYSTEM FAULT/NO AC /FAN NOT WORKING/AUDI A6 Hey guys, in this video I demonstrated HOW TO FIX COOLANT SYSTEM FAULT,NO AC ,FAN NOT WORKING, on 2012 AUDI A6
Jul 30, 2021. #2. christopher barnes said: Hi guys, noticed my heater blower wasnt working, all direction and heat ok. No a/c. I tested the fan using a 12v supply which was fine so i then lazily ordered the heater resistor thinking that this was the fault.
01273- Fresh Air Blower (V2) 02023- Supply Voltage for control. module for fresh air blower lower limit exceeded. 01844- control module for fresh air blower J126. i did search a lot of posts about this issue and the common faults of these codes are caused by faulty fan motor and blower resistor.
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    • audi a6 c6 blower not working