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  1. M

    Auto HVAC / Heater Control Unit Swap

    Rum4mo... I’ve tried to code the front sensors in but it makes no difference at all. Also for some reason the AC doesn’t work although it’s all coded in. I’m convinced now that there may be some hidden coding that’s different on both the BCM’s.
  2. M

    Auto HVAC / Heater Control Unit Swap

    I stupidly didn’t take any coding off the old BCM, so I think the next plan is to refit the old BCM and control panel, remove the component protection, grab all the codes off it, then fit the new BCM and control panel (+ remove component protection) then hope I can change the coding to the...
  3. M

    Auto HVAC / Heater Control Unit Swap

    Sorry to revive this thread but did you ever get to the bottom of this? I have a 2012 (Facelift 8K) A4 and have retrofitted heated seats along with the control panel and BCM from the donor car I’ve used Odis to remove the Component Protection, and the heated seats work, however now the front...