Passat (B5) :: 2001- Automatic Climate Control Malfunction / Temp Drops Suddenly
Aug 24, 2008
i have a 01 b5 GLX 2.8L with the automatic climate control, well on occasion my temp will be reading fine than all the sudden drop to -36 degrees in 4 degree increments. when this happens my ac thinks its cold outside so it stops blowing cold air and blows hot air. i have to let the car sit with the ignition off for 15 min before it will reset. Is it my temp sensor that's bad and if so where is it located at?
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I was wondering if it would be just a plug and play to exchange manual a/c controls to automatic climate control thingie. Id expect CAN coding but im just wondering if i could just bolt on and code or is there way much more to it like additional control module and what not .... maybe even not possible at all.
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So today it was 101 and I figured I would put the AC on auto but when I set it to auto the temperature defaults to 72. Is this normal and can I change it? It seems like the climate control in auto mode go off of the outside temp, if hot outside blow cold inside and vice versa. What is the point to auto AC if I manually have to set the temp?
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On longer trips, over 20+ minutes that the interior temp does not hold the current set climate control temp? If using sync on both sides, the temp in the cabin seems to creep down and you have to keep upping the setting and then reduce it because its too hot.
We have an older 2001 Infiniti I30 and it keeps adjusting to hold the right temp.
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I need to remove the automatic climate control module on my Touareg 2004, but I can't seem to get it to release. I have removed the radio and the metal frame to which it attaches. I have also disconnected all the electrical connectors from the climate control unit. Still no luck. The climate control unit doesn't move up, and when I try to pull it towards me it appears to be locked by something as it only comes out a tiny little bit.
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Have any control over the fan speed? The temperature? How does it work?
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Recently noticed that the automatic climate control on my 2006 Sonata stopped working. The temperature readout still shows desired interior temperature but nothing happens when dial is turned all the way up or down. When in manual mode, the heater fan will adjust faster or slower when dial is turned so I still get heat/ac but only by dialing manually. If I switch to automatic mode, the fan will operate in whatever setting it was in when in manual mode. What part do I need to replace in all likelihood and how hard is it to replace?
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I have an Elantra GT SE with automatic climate control. I would like to know if there is a way to disable the automatic A/C on/off with our system. The problem is that even if the air is cooler outside, the air conditioning is automatically turned on and the fuel economy drops. (I know that we can do this for the base model (to turn off air conditioning while using the defroster).
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I need to select AC on when running in the automatic mode. I get from the manual that when I select Auto the system will maintain the selected temperature.
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The buttons to change the temperature in my 2010 Prius don't do a thing... The temperature is cool-ish as long as you have the AC turned on, and stays the exact same as you increase the temperature until you get to 85 and it maxes out, then it starts to get warm. As soon as you go to 84, it's cool again.
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My wife's '98 Aurora, she said she heard a loud click and suddenly lost the heated seats, tach, speedometer, fuel & temp gauges, DIC, and climate control. I check the 60A fuse under the rear seat, it was OK. Replaced it with another 60A, no difference. Everything else electrical is still functioning.
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What all would be involved in swapping from regular ac controls to automatic climate control like the lariats have on a 2015 xlt superduty?
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What all would be involved in swapping from regular ac controls to automatic climate control like the lariats have on a 2015 xlt superduty?
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When I turn on the car the internal temp number flashes for about a minute. The AC blows cold and I haven't noticed any issues with the HVAC system. Why is it flashing?
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I just purchased a 2014 Avalon XLE Touring. One thing that seems to be a slight problem is the A/C setting. To get the car to cool down I have to turn the setting down to about 66 to make it comfortable and I know it is not 66 degrees in the car. Is there some way to calibrate the temp reading?
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I haven't been able to find the solution to change C temp readings to F on my 2009 ES350. The car is Canadian and I'm in the US and although it's not a big deal I'd like to change it over. The importation company already changed over the speedo and so the cluster reads F degrees and Miles. Just that one last change to make it all match up.
I read an old thread on the earlier generation that the body control module needs to be changed. But, nothing on this generation. Lots of people trying to go metric from English so maybe we could even trade parts to make it happen.
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From time to time, climate control will stop working. Buttons are not lit up or responsive, fans do not work, and computer doesn't show outside temperature. Problem can last a day, an hour, 10 minutes, or any other time frame. Most of the time once it stops working it will not start working until left parked and locked overnight. Sometimes when we start driving it would all of a sudden start working on its own. This has happened during multiple seasons and multiple weather conditions.
I took the car to Lexus dealer who decided it would be a smart idea to replace the whole climate control unit in the dash, well this past weekend the problem occurred again with brand new climate control unit in place.
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My 2009 Sonata Limited always has the front window defroster come on in cooler temps when the climate control is set to AUTO. This is aggravating since it shouldn't do that. I took it in for service last year at this time and they didn't find anything wrong and I gave up arguing with the dealer about it.
Is there a sensor or something that is out of adjustment? It comes one when the temp is about 40F or lower and you just start the car after it's been sitting cold. I don't notice it so much when I am out on multiple errands.
Another thing that I notice is that I can never just turn the fans on for air circulation when the temps are moderate, not needing A/C or heat. If it turn the fan on, it always seems to blow cold air feeling like the A/C is on, even if it is not in AUTO mode. I complained about the same thing and the dealer said the unit is operating OK.
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RX450h Climate Control ... This is annoying and all my riders complain about the A/C Auto mode on this car. Here is the issue in Auto Mode with the inside temp set at 72 degrees, and the outside temp is cold anywhere from 55 to 65 degrees the A/C always blows cold air into the car. I can never get heat to flow into the car. The manual says that auto controls the a/c flow, fan speed, and vents like auto in almost every car. What is wrong here? The A/C is always on blowing cold air regardless of the temperature set inside the car. To me it seems that the temperature setting for both passenger and driver do not work.
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My '01 Grand Cherokee Limited is overheating. I have changed the thermostat and ran a leak test. I am not having a leak. The temp drops when I turn on the A/C or heater. I went back to the shop that changed the thermostat and leak test. They said it was the fan control and I have to go to the dealer to reflash the program for the fan control. I made the mistake of asking the dealer to reflash, instead of having them check on the overheating problem. I'm planning on going back to the dealer to have them diagnose the issue.
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My 2001 Ranger V6 with 160.000 miles runs like a Swiss watch. After warming up slightly it idles at the typical 750 RPM. I can pull out of the garage, park in the yard, shift from D or R into P and the idle holds at 750 RPM until I turn the engine off.
But, If I've driven to warm the engine to normal run temp and go through the same D or R and into P, the RPM drops to nearly Zero and sometimes the engine stops.
This has happened in the past so I take out the MAF, squirt it good with MAF cleaner, put it back in and everything is hunky-doory. But not this time. What am I missing??
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