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Can't turn the AC off

Discussion in 'Stock 2011 - 2019 Ford Explorer Discussion' started by Ellocovg, June 7, 2016.

^^Searches ExplorerForum.com^^





  1. Ellocovg

    Ellocovg Member

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    So before I feel stupid at my Friday appt has anybody experienced this? I searched and couldn't find anything on this issue. I can set the fan down to 1 or low but it won't let me completely shut it off. All buttons work ac, max ac, different output setting, defrost, exc exc but the power button stays orange. I also tried to turn it off thru the hvac screen on the head unit but that didn't work either. It's been like that for about a week now, am I missing something simple here? Only thing I think of is disconnecting the (-) and try to reboot the elec system but I rather them diagnose it first becauce with my luck next time the faulty ac control Will be stuck on off with 100 degree weather as I'm driving an hour to work.
     
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  3. Flatplane

    Flatplane Member

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    Automatic Climate Control - Vehicles With: Premium AM/FM/CD
    [​IMG]
    A[​IMG] Power: Press to switch the system on and off. When the system is off, it prevents outside air from entering the vehicle.
     
  4. Ellocovg

    Ellocovg Member

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    Yeah power button is A it doesn't do anything when you press it just stays on (orange) same thing if I try to shut it off thru the head unit
     
  5. Flatplane

    Flatplane Member

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    It may be a Interface concern. The button in the dash switch module is probably stuck. Find a competent Ford Senior Master Tech to connect his IDS unit to test the button functionality of the Interface switchplate.
     
  6. Ellocovg

    Ellocovg Member

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    Basically they reset the system unplugging the battery for a half hour it says it right on the ticket. They also claimed they fixed a loose pin in the harness which is probably bs but a billable warranty hour to ford.
     
  7. Flatplane

    Flatplane Member

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    First order of business Ellocovg; does it work as expected now? You may have hit the proverbial nail on the head here in this repair. However sometimes these modules with all the network issues will do some weird things. I am not defending them but if it does work at least progress has been made. Continue to monitor results
     
  8. Ellocovg

    Ellocovg Member

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    Yeah good as new, I thought of doing the same thing they did just disconnecting the battery and reseting the battery but there's a ford dealer literally one minute from the job site so I just dropped it off at break time and picked it up at lunch time.
     
  9. Flatplane

    Flatplane Member

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    Good to know! Today's electrical systems have gotten very sophisticated to the point that sometimes they must be rebooted after a long shut down. Multiplexed network communications are getting to be the norma on todays vehicles
     
  10. dco43054

    dco43054 Well-Known Member

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    I've been cruising along waiting for at least one issue. I didn't really think Ford could fix all of the technology issues. Don't know if this is a Sync/MFT issue or an HVAC issue.

    Yesterday morning, I had the windows down and wanted to shut off the HVAC totally. Hit the button and - no change. It merrily continued to run the air conditioning. Tried the screen control. No change. It made the "ding" noise to acknowledge the touch on the screen, but didn't do anything.

    Drove the Explorer 3 more times during the day for short trips. Finally yesterday evening it would let me shut it off, and then turn back on.

    I was planning to pull the battery cable last night to reset the whole thing, but for some strange reason it started working again. Probably the same strange reason it quit working.

    Oh well - not losing my head over this. When I bought the 16 I knew I wasn't getting a total system rebuild and told myself I'd just live with the faults.
     

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