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Old 03-12-2017, 08:40 PM   #1
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Technical failures

So, get in our car to go to dinner (had driven the car earlier and it was fine) and the remotes won't lock/unlock the doors. When we leave the restaurant our climate control is wacky. Rear control is blasting air even though fan is completely turned off. Front can't control it either. We seem to have an electronic issue that we don't know how to correct. Anyone else have any issues like this?
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Old 03-13-2017, 06:48 AM   #2
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With all the electronics in modern vehicles, they are very sensitive to low voltage. First thing to do is check your battery. You should have at least 12.0 volts with the engine off, and a minimum of 13.8 with the engine running. You wouldn't believe how many electrical gremlins appear when you have a weak battery and/or charging system. I've seen it before a hundred times, and it's happened to me, twice. If your battery checks out and your alternator is charging, then you need to make a trip to the dealer.

Oh, and this is not exclusive to fords and lincolns, all modern vehicles no matter the make are very sensitive to voltage.
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Old 03-13-2017, 11:50 AM   #3
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^^^ Especially a bad ground. Start where Bleed pointed you, then go from there.

The other thing is, all of that runs through the General Electrical Module/Smart Junction Box.... hopefully not a sign of a bad GEM/SJB.
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Old 06-26-2017, 09:18 AM   #4
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I agree that it all eventually boils down to your battery. If it does not supply enough power to the whole system setup, you might just land yourself into something even more major than just a non-locking car and a failed climate control. There needs to be at least a minimum power capacity that you need to maintain in order for every functionality in general to run smoothly each time.
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