Question about 2008 GMC Canyon 2WD

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Fan speeds 1 and 3 do not work and the plug to the fan is burnt like it has been hot. Is this part of a service bulletin? I know of three other canyons/colorados with the same problem.

These are all different year models as well. Fan speeds 2 and 4 still work fine on AC and Heat.

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Go onto safercar.gov enter the vehicle informed it will tell you everything

Posted on Apr 21, 2015

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You can leave it like that or take it to a dealer to be checked or do you just want to wait until it burns up?

Posted on Apr 21, 2015

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1 Answer

What does the code p0483 means for a gmc envoy?


DTC P0483 is set when the difference between the commanded cooling fan speed and actual cooling fan speed is greater than 1,000 RPM.
Reset the comp with the scanner, if it comes up again, then you may need to replace your fan clutch.
Technical Service Bulletin (TSB #04-06-04-090A) says, "The diagnostic calibration in the PCM may allow the DTC P0483 to set improperly." The bulletin directs technicians as follows: "Reprogram the Powertrain Control Module (PCM) with a new service calibration titled, 'New calibration to reduce the potential for setting P0483.'" this will have to be done at the dealership, or by a qualified mechanic.
Good luck.

Aug 19, 2011 | 2004 GMC Envoy

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I own a 2005 jeep liberty. the ac, heater fan only works on selector switch setting # 4. nay sugesstions on why fan does not work on settings 1, 2 or 3.


The lower speeds are accomplished by running the power supply through various resistors that drop the voltage which makes the blower turn at different speeds. The lowest setting uses all the resistors to drop the voltage as much as possible to turn the blower as slow as possible. High speed uses no resistors so the blower gets full power and turns as fast as possible.

Since speed 1 and speed 2 use the speed 3 resistor to drop there voltage and speed three is not working as well my guess is the speed three resistor is burnt out in the device referred to as the blower motor resistor or blower motor speed control module. This is located near the blower motor and is held in place with 2 screws. There will be several wires and possibly two connectors plugged into it.

These are really common failures in many vehicles. The parts are usually available at your local auto parts store and they are typically not that expensive.

Hope that helped.

Oct 07, 2010 | 2005 Jeep Liberty

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2004 Galant: Only 2 speeds work on the heater a/c fan?...


might be due to a hot spot on the part of the switch mechanism inside of the instrument panel. when you turn the switch to various speeds, a small metal prong from the turn switch touches different metal contacts on the inside of the switch, each one is a different speed. hot spots or electric archs could have burnt out all but two of the speeds. filing or sodering the individual metal contacts may work, or you may have to buy a new fan speed switch. try a salvage yard. probably 30 dollars or so

May 18, 2010 | 2004 Mitsubishi Galant

1 Answer

The one fan willl not come on but both will when motor is hot


I'm not familiar with your particular car, but this info may be of some help to you...

Dual fan cars work in a few ways:
1) Some only use one fan during normal cooling, and turn on the second either when the temperature reaches a certain level, and/or when the air conditioning is running.
2) Some use both fans for normal cooling, but at least one of the fans have a dual-speed motor. Generally only one has dual-speed motor, which operates at low speed during normal cooling cycles, and operates at high speed at a predetermined temperature, and/or when the air conditioning is running.

Based on this, it's possible that your system is working correctly, or you have the chance that your low speed portion of the cooling system is not functioning. Check the wires going to the fans. If there are only two wires, then it's a single speed fan. If there are three wires, it's a dual speed fan.

Based on that information, you should be able to determine if your system is working correctly or not.

Dec 13, 2009 | 1989 Honda Accord 4 Door

1 Answer

How do I change the heater fan speed control in a Jeep Liberty (2006)? Speeds 1-2 and 3 don't work, only 4 does.


On the back of the control panel there is a plastic connector that plugs into the fan speed control. You can unplug it and use a meter to find incoming (hotwire) take a jumper or a 6 inch peice of wire and insert it into the spade where the hot wire is wired to. Take the other end of the wire and insert it into the 1st spade in the plastic connector next to the hot wire spade this will let you know that the fan will run at the selected speed. Then pull the test wire out and plug it into the next spade and so on and so on. I am sure your fan will respond step by step , fan speed 1 then 2 and then 3. After you make this test you will know that your fan is ok. You will just have to replace the plastic connector with new spades in it. You should see some evidence of over heating on the old connector. It may be that you only need to unsnap the connector and then reconnet it and it will probably work fine. It has proberly just become partially unpluged. All the other info that I gave you early on was just to trouble shoot it. mike
micmor68@gmail.com

Oct 12, 2009 | 2006 Jeep Liberty

2 Answers

Overheatn 1993 Toyota camry


Check your thermostat and your water pump belt your radiator could also be clogged.

Aug 11, 2009 | 1990 Nissan Maxima

2 Answers

My cooling fans do not work,what coul be the problem?


did you check fuse &relays if ok check engine temp sensor you 2 of them one on the engine &the other one is on the radiator

Jul 08, 2009 | 1998 Chrysler Town & Country

1 Answer

Electrical


ok, what I meant was is it a live wire. Assuming it is and setting it aside, The other three must be leaving the switch. Hot in and three out for different speeds. The speeds are controlled downstrean on each wire either by resistors or motor design. The fan motor(s) are grounded at their mounting locations. So, touch the hot wire to each of the others one at a time to confirm. Then, turn the switch to low and insert the hot wire into a terminal until the one that that turns the fan on is found. Turn the switch off to confirm control and then turn switch to confirm control of the other two speeds. No need to worry about shorting anything, The ground would be your only fear and it's far remote. Good luck

Jun 25, 2009 | 2005 Chevrolet Venture

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