Question about 2006 GMC Envoy Xl

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Electrical malfunctions in 2006 GMC Envoy XL

A couple of days ago, my Envoy's front AC/heat blower stopped working on any speed, the cruise control stopped working and I have five warning lights illuminated on my dashboard. (Two traction control, alignment, ABS and main brake light). Otherwise, the vehicle runs fine and as long as I'm driving at least 40-50 mph, the cabin stays cool. The rear air is working fine. Any suggestions as to what to do?

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Check your ignition switch by checking the voltage at the fuses for affected circuts vs. other circuts that are working well...

Posted on Jun 21, 2009

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I have a 2003 Envoy XL, 116K miles. Yesterday as I was driving I noticed that the AC blower speed was not changing as I pressed the buttons to change speed. If you shut the entire climate control unit off,...


You need to replace the BLOWER MOTOR CONTROL MODULE. its up under the dash, near the blower motor. Your dealer or a AC DELCO parts house will have it in stock, very common problem.

Sep 02, 2011 | 2003 GMC Envoy Xl

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2006 slt gmc envoy ac problems vent controls anbd


{: ) The popping sound you heard is caused by the sudden movement of an HVAC door, most probably coming from the recirculation door actuator (right dashboard area) or the mode actuator( mid dashboard area). The fan outputs could be normally working, but is being muffled by the incorrect positioning of the HVAC doors, giving an impression that there is fault in the blower controls. In other words, your vehicle is having an air distribution issue.
If there's no conflict in your climate settings, then the trouble may be in the HVAC doors binding or broken, or the actuators faulty or sticking. In both cases, servicing may involve removal of the dashboard to access these HVAC components.

Jul 20, 2010 | 2006 GMC Envoy

1 Answer

AC blower stopped working on my 2004 GMC EnvoyXL. The rear AC blower works but not the front. Checked the fuses and relays, they appear to be OK.


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Jul 11, 2010 | 2004 GMC Envoy

2 Answers

Rough Idle while stopped and low speeds


heve utried adjusting the trottle , just put your foot on the accelerater and hold at just under 1000 revs if shaking goes then thats your problem should idle at just under 1000rpm

Oct 10, 2009 | 2003 GMC Envoy Xl

1 Answer

I have 2003 gmc envoy my front ac control does not


Need to check to see if the blower motor is running.If it is,but not threw the vents,most likely a vent door actuator motor.The actuator motor in this case would be bad,it is hard to get to,unless you are mechanically inclined,You can do it your self.If the blower motor is bad,just replace it.Check fuses first,and the blower relay.If I can help,let me know.

Aug 29, 2009 | 2003 GMC Envoy Xl

1 Answer

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you will need to replace the fans blower resistor. its mounted in the cab. in the lower right side of the heater box. some aftermarket suppliers are carrying the part but all chevy or gmc dealers will have it.
good luck chris

Mar 15, 2009 | 2003 GMC Envoy Xl

1 Answer

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one of the second heater core lines is clogged.

Jan 05, 2009 | 2004 GMC Envoy

1 Answer

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It's the blowe motor resistor real common

Nov 03, 2008 | 2006 GMC Envoy Xl

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