Audi A6 - (Yauhen_D / Shutterstock) The most common causes for Audi A6 AC not blowing hard enough are clogged cabin air filter, dirty evaporator coil, and frozen evaporator coil due to low refrigerant. Less common causes are dirty or sluggish blower motor and faulty mode door actuator.
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.
A6 / S6 (C6 Platform) Discussion - AC blower not working (Special Situation) - One day my 07 2.8 (without solar roof) AC blower not working and the following codes found by VCDS: 01273- Fresh Air Blower (V2) 02023- Supply Voltage for control module for fresh air blower lower limit exceeded 01844- control module for
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