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Overhead comp is giving a "CCd" display. I had some work done on the truck this week. My guess is that a wire was unplugged. Perhaps the temp sensor wire. If this is accurate I was curious as to the location of said wire.
has anyone else had trouble with their temp sensor reading about 5 degrees off?
mine seems to be worse then 5 degrees. truck read 65 today when it was actually 90. but sometimes its right on. It seems to help if the truck is clean and not dirty and muddy (crazy as that may seem). anyone know where the sensor is located?
06 Slt 2500 6-speed,muffler, cat, silencer MIA,5 in stacks,isspro guages,go ind. headache rack,gooseneck hitch, TST, DD 3600 SBC, AEM Workhorse, GDP Big line kit, 35x12.5 hankook mt's
I know this in't an answer, but I get the same display when I'm programming my ECM with my Superchips programmer. I suspect that it is an indication that the overhead display isn't receiving data. I know that doesn't help solve your problem...
CCd being displayed means that the network isn't talking. All the computers on the truck communicate via network cables. The sensor was located out front on the hood of my '01, I haven't looked for it on my '04. I added the overhead computer and all on my '01, so I also had to wire it all. The code 14F may be in the service manual. I remember reading that the sensor will report one of 2 faults, one for open sensor, and one for shorted sensor. The sensor I bought for my '01 was like $12 new.
So for CCd message, a network cable is unplugged or has a bad connection. The sensor will give another message if it is unplugged. Hope this helps.
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