"Intermittent Failure of the Blower Motor. Intermittent failure of the blower motor at high vehicle speeds and/or strong headwinds. The fault code ""0x801204 - blower output stage: Short circuit or blocked"" is stored in IHX_I1 (Heater-air conditioning control unit) sets under the following conditions: High vehicle speeds. Or Driving into strong headwind. Sunroof in the open/tilt position and/or an open side window may cause situation to occur at lower speeds. The blower resumes operation again after 60 seconds. CAUSE High wind flow and wind force causes a current overload in the blower motor."
