01273 code and fan always on at full speed is most likely because blower controller/resistor pack is faulty.
Other 2 codes because FL AC unit uses CANBUS for communications with the rest of car but PF car does not have CANBUS and uses K-line + separate signal wires. So you would need to fit CAN gateway that will translate signals.
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Currently 8less
2011 Q7 S Line 3.0TDI, 2016 Tesla Model S 90D
8 history:
2006 A8 Sport 4.2TDI quattro SOLD,
1997 S8, reached end of life with gearbox failure
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