Question about 2006 Jeep Liberty

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I have a 2006 Jeep Liberty. The AC/heat will now only work on level 4, the highest level. It still works from all positions (body, defrost, body/feet, feet) but not on levels 1-3. Help!

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The blower motor resistor controls the fan speeds. When it only works on high the resistor is burnt out.

Posted on Oct 10, 2010

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We have a 2006 Jeep Liberty. Our heater/ac would only work on 4 (highest setting) for the longest time. Now it only will work when it seemingly wants to.Replaced blower motor resistor with no change


Sounds like the blower motor speed control switch may be defective or you have burned wiring or connectors, pull the blower switch out of the dash and examine it for signs of overheating and a burnt smell, check the connector at the blower motor as well for same things, repair as needed, also I would replace the blower motor as well.

Dec 28, 2016 | Jeep Cars & Trucks

1 Answer

Jeep liberty heater/defrost


check the actuator motor or motors on the heater. It is inside on the base of the heater and directs the air where you want.

May 09, 2017 | Cars & Trucks

1 Answer

2012 jeep liberty heater


If you find that the heater control is a problem then until you get an answer, try running the ac unit as well. It will dehumidify the cab air ( no fogging windscreen ) keep the cab at a reasonable temperature . In most cars it is referred to as climate control . Control is by the heater knob as to how hot you allow the heater to get

Nov 30, 2013 | Jeep Cars & Trucks

1 Answer

Ac clutch not engaging checked freon level checked good all other checked good think it is electrical jumped cluch and did work so it is not problem I need help anunnari@roadrunner.com I have a 2006 jeep...


sounds like you have either no power goin to compressor or comp. could be locked up.run a check by puttin selector on defrost it should kick in,if not ron a jumper from bat to compressor wire hook-up should make some noise if not clutch is probably bad if you definetly have coolant in it.you know ootherwise it wont

May 25, 2012 | 2006 Jeep Liberty

1 Answer

Heater and AC and blower all work fine but it all blows out of defroster vents thats about it , when AC is on it comes out defroster vents,no matter your selection. Heater is the same way.


The HVAC mode selections on these are controlled by an electric stepper motor that receives commands from the BCM (body control module). The BCM decides where the air door should be by looking at where the dash control input is.
Each mode selected has a different resistance level. From low resistance to high resistance: Panel, Bi-Level, Floor, Mix and Defrost, with Defrost as the highest resistance (~100K ohms). A high resistance or open circuit would probably default the system to defrost no matter what position the mode control was set to.
If the control is dirty or there is a connection issue, this could cause this problem. Does playing with the control make any difference?
The BCM can store fault codes with HVAC releated information. The system can be reset and recalibrated with a battery disconnect, this will also erase any fault codes.
I would start by looking at the dash mode control.

Good luck, i hope this helps.

Jun 28, 2011 | 2006 Chrysler PT Cruiser

1 Answer

My 2006 jeep Liberty Front Defrost blows cold air. When I turn on the heat every vent blow hot air, except the front defrost and it blows cool air...any suggestions?


Sounds like defrost door on heater box is not work You need to get under dash and check controls on the box. Good luck

Dec 08, 2010 | 2006 Jeep Liberty

2 Answers

The fan for the heater/AC only works on the highest setting (4). Could this be a fuse?


no the blower switch on the dash board is at fault the high blower speed works off the relay only which is ok

Feb 20, 2010 | 2006 Jeep Liberty

1 Answer

My heat and defrost does not work


Check your fuses. If your fuses are good you most likely have a bad blower motor and those are not fun to change most of the time. Take it to a shop for repairs.

Sep 02, 2008 | 2002 Jeep Liberty

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