LS / MKZ :: AC Always Blowing Hot On 2006 Lincoln V8 / Code 2798


May 13, 2015

My daughter owns a 2006 Lincoln LS V8 and no matter where you set the controls on the panel it either blows wide open on "extremely" hot or nothing at all. The A/C is either not working, or something is very wrong with the controls on this vehicle. I've read older forums that all say may be the DCCV. In fact, we did the Self-Test and received a code 2798.

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My 2006 Azera Limited keeps blowing its backup fuse (10amp) whenever I so much as move an inch in reverse. Moving from P to D (or even past the manual gate) is OK, as long as I don't take my foot off the brake when passing R.

I've so far burned through 4 fuses and still don't know what the problem is.

Here's some history:

The first time this happened yesterday AM, I just replaced the blown b/up fuse with the spare 10amp and the car ran fine the whole day, including several feet of reversing.

The second time this happened was today AM. I ran out of extra fuses, and decided to use the ABS (10amp) fuse instead, to be able to go pick up extra fuses at the local autoparts store. On the drive, I kept seeing check engine and ABS failure messages on the IP, as expected.

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Reversed out of the parking spot at the gas station, and the fuse blew again. Twice.

Nothing on the car (other than as described above) has changed in the past several months. I haven't had the car washed for over 6months, but did drive in the rain several weeks ago. There haven't been any other changes at all (I opened the hood up just yesterday after several weeks of not needing to). The car is stock, there haven't been any major modifications (except, I removed an aftermarket nav system and put the stock 6cd radio back, but that was several months ago).

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