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Airbag light came on and HVAC does not work

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Old 01-10-2017, 06:55 PM
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Airbag light came on and HVAC does not work

Hi everyone, I would like to start off saying this forum is awesome and I am glad to have joined. I recently purchased my first diesel and absolutely love it so far. I have a 2006 Quad Cab 2500 Cummins. I have owned it for a couple of months and all of a sudden my airbag light came on the the only thing that worked on my HVAC controls was the blower motor. I could not change from cold to hot, turn on a/c or defrost, or change the level where the air comes out of. I took out the fuse and it worked for about 10 minutes and quit. I started to push the connector back into the fuse block and it will work sometimes (I think). The reason I say this is because it will act up then quit all the time and there is no rhyme or reason that I can find. Also today my power windows would not work and I could not lock the doors. I can unlock them and adjust my side mirrors then all of a sudden it worked a minute or so. I can not find any fusible links or se any bad wires. I have noticed that some other people have had the same problem, but they never said what caused it. I would really appreciate it if someone could help me out please. Thank you for any help I can get
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Old 01-11-2017, 12:02 AM
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I have an '06 2500 and recently had similar electrical issues. Air bag light flashing, other electrical issues and the stereo was cutting in and out and then finally stopped working. I also heard a faint high pitched whine in my overhead when I opened the door, so I disconnected my batteries and removed the overhead console.
After reconnecting the batteries the noise was gone, the stereo was working and the random airbag light and other electrical issues had stopped.
I bought a used OEM overhead console on line and should have it later this week. I hope it solves my issues.
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Old 06-02-2017, 04:50 PM
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Same problem help!

Did either of you find the cause of this? I have the same problem. I can disconnect the AC control switch and the air bag light will go out. Then when I plug it bag in the air bag light comes back on. Fan switch works but nothing else on that control board works.
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Old 12-05-2017, 06:11 PM
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Airbag and HVAC

RAMTX, did you ever figure out the problem? I am having trouble with the same problem also. Just wondering where to start.
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Old 01-29-2018, 03:07 PM
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Has any found the cause of this problem
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Old 01-29-2018, 08:48 PM
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Dbunch, figured it out!!! It was my TIPM. It tells everything what to do. Got a remanufactured one from Rock Auto, Cost about $250, plus you have to pay a $200 core charge. Unplugged the old one, plugged the new one in, and followed the ignition on and off instructions. I watched a short video on how to do it on YouTube . You have to be kind of careful to totally snap the connectors and lock them or they won’t work. Also be careful when turning the ignition on and off. It has to recognize the vin. Saved a ton. The mechanic just said he would have to hunt down wires and maybe take out the dash. I don’t think so!!! Some call the TIPM the fuse block.

Last edited by Kaydeedid_ It; 01-29-2018 at 08:52 PM. Reason: added info
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Old 01-29-2018, 08:54 PM
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Hope it helps!
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