ok, had the a/c system cleaned out and recharged after I had replaced the resistor module as fan would only run on high, everything is fine ATC works fine blows very cold. all done about 4 weeks ago.
I noticed over the past week that on 3 separate times I would notice an Er code come up for about 2 seconds and go out. just when ever. HMMMM.
so I took it to dealership just to make sure everything is ok and they said it was showing a check code 40 "feedback was too high, blower fan feedback circuit" they checked the wire from ATC head to blower resistor module and it was ok.
they said it could be the ATC control head, however they said that the control head is no longer available. what exactly is the control head and its function?:confused: like I said everything runs fine and the Freon was fine and no leaks.
any idea? thanks
I noticed over the past week that on 3 separate times I would notice an Er code come up for about 2 seconds and go out. just when ever. HMMMM.
so I took it to dealership just to make sure everything is ok and they said it was showing a check code 40 "feedback was too high, blower fan feedback circuit" they checked the wire from ATC head to blower resistor module and it was ok.
they said it could be the ATC control head, however they said that the control head is no longer available. what exactly is the control head and its function?:confused: like I said everything runs fine and the Freon was fine and no leaks.
any idea? thanks
Control Head?
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