Question about 2001 Chrysler Town & Country

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Heating and AC fan won't turn off!

We have a T&C limited with automated heating and AC controls. When we turn off the power (for the heating and AC), the fan continues to run and seems to run on high. Once the temperature warms to its setting, it doesn't seem like the fan ever goes to low, but somewhere in the middle to high range.

Has anyone had any experience with this? I don't know a thing about electrical work, so please spoon feed me. Is this something I could repair on my own or best to take to the dealership?

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  • 2 more comments 
  • brax21 Nov 29, 2008

    We have been driving by brother inlaws van which is a T&C 2003 LTD and it started to do that today. It seems as if there is no adjustment on the fan speed using the dial. Not sure if a fuse is tripped but if it was you would think the whole system would go down

  • macwags56 Dec 03, 2008

    I have a 2005 T&C and this just occurred when I replaced the battery. Looking for a solution as well.

  • kdwenstrand Dec 05, 2008

    we have the same exact problem on our 2001 T&C

  • azimuth99 Dec 08, 2008

    We have the exact same problem on our 2003 T&C Ltd. It started acting up on a very cold day after the van had been parked in the driveway for a few hours. Blower fan locked on high regardless of what setting you use...seems even higher when you turn the power off on the heat/ac unit.



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I have a 2002 T&C Van that did the same thing awhile ago. We were on a trip in snowy weather when the fans all went to full on their own. Changing the controls did nothing. A little research showed that this is a common problem. The temp control sensor ( I believe thats what it was called ) inside the fan duct work had failed. It provides temp data to the computer that controls the automated climate control systems. It's easy to get to as its in the duct just above the pass. foot well. There is a small plate /cover thats is screwed into the duct. I think it also had a wire/clip connecting to it. Remove the clip and remove the screws. The plate/ cover pulls towards you revealing the sensor. It has numerous vanes that stick into the fans airflow providing data. Remove the entire assembly and get a new one for your year of vehicle. I got mine at the dealer for around $90.00. Just reverse the removal procedure and put it back in. Start the vehicle and your fans should be back under control. Worked perfect again for my car. I would rate the difficulty of this repair at about a 2 out of 10. Very easy for most. Took ten minutes.. Hope this helps..Jeff

Posted on Dec 07, 2008

  • Tugs1234 Nov 23, 2011

    I have a 2002 town



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Hi. here are a few steps that will help you troubleshoot this fan issue you are experiencing.

Step1 Check for broken wires or loose connectors around the fan circuit. Inspect connectors at the fan motor, relay, sensor or heat sensitive switch, and the Electronic Control Module (ECM)--your car’s computer control system. Also, make sure to check for a possible blown fan fuse. These are common and overlooked troublesome spots that may cause a fan to fail. Step2 Run and bring the engine to warm temperature. With the engine running, use a voltage test light to check for power to the motor fan. Be extra careful and make sure to keep your hands and tools away from the belt, fan or any other engine moving parts. If voltage is reaching the fan motor, the test light should glow. Step3 Turn off the engine after you see the light glow. Apply direct voltage to the fan motor from your car battery using a pair of spare wires. If the fan fails to operate, replace the fan motor. If the motor operates, your problem is in the motor connector. Step4 Locate the heat-sensitive switch or heating sensor if the fan motor operates with direct voltage and the test light did not glow. You should find the sensor in the radiator, engine block, or thermostat housing. Step5 Measure the resistance across the heating sensor with the multimeter. With the engine at cool temperature (engine off), it should register infinite resistance; with the engine at warm temperature (engine off), you should read low resistance. If both readings state infinite resistance install a new heating sensor, that’s the cause of your failing fan. Step6 Check the action of the fan relay if the heating sensor is registering variable resistance. Your service manual should specify the power and ground wires according to color codes and the proper way to test it. If the fan relay fails the test replace it with a new one. Step7 Check the connections going to the ECM after you determine the fan relay is working properly. If you find broken wires or loose connectors, make the necessary repairs. If you suspect a defective ECM take your vehicle to a service shop for a computer analysis. In most cases, the ECM is rare to be the cause of a failing fan. The above steps should take you to the root cause of your problem and help you fix the cooler fan.

Please rate and god bless.

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