Question about 2004 GMC Envoy

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Fix security on 2004 envoy

Truck wont turn over and security light is on

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6ya6ya
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Posted on Jan 02, 2017

  • 46 Answers

SOURCE: my 2004 gmc envoy's dashboard lights wont turn off

curious as to the battery and alternators state and condition low voltage or poor charging can cause un-explained faults-is the check engine light on?-if so can you get or retreive dtc's as i'd like to know what you pull for codes. fyi most parts stores will retreive codes for free....some even grant access to mitchell on demand or all data to help diagnose probable faults or at least steer you in the right direction.

Posted on Apr 15, 2010

  • 1 Answer

SOURCE: 2004 Envoy xuv 6 cyl stalls with A/C on at idle

2004 Envoy xuv 6 cyl when I turn on the A/C the truck stalls but as long as I keep my foot on the gas it will continue to run

Posted on Jun 28, 2010

  • 67 Answers

SOURCE: What does reduced engine power light mean

this model has what they call fly by wire.. no accelerator cable. If the computer detects a problem in the thottle system it will not allow the engine to accelerate and will show reduced power and possibly set a check engine light. The dealer usually wants to replace the throttle assembly which is very expensive and usually un nessesary.
I have had a lot of succes with just cleaning the throttle plates real good.

Posted on Jul 08, 2010

claudeinmo
  • 9098 Answers

SOURCE: I have a 2004 gmc envoy and the security light came on what does this mean?

  1. 2004 GMC Envoy Security light car not start - Questions - Fixya

    www.fixya.com > ... > GMC > Envoy > 2004 GMC Envoy...will not start replaced ignition switch and car will not turn over. Is the security light on ?If your truck has a pass key system, the sensor in the lock may not be ...
    ON GOOGLE

Posted on Jul 16, 2015

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1 Answer

2004 gmc envoy xlt wont start security light on


Diagnostic Starting Point - Theft Deterrent
Begin the system diagnosis with the Diagnostic System Check - Theft Deterrent . The Diagnostic System Check will provide the following information:
• The identification of the control module(s) which command the system.
• The ability of the control module(s) to communicate through the serial data circuit.
• The identification of any stored diagnostic trouble codes (DTCs) and their status.
The use of the Diagnostic System Check will identify the correct procedure for diagnosing the system and where the procedure is located.
your best bet is have your vehicle towed to the dealer or some other qualified repair shop .

Oct 30, 2016 | 2004 GMC Envoy

1 Answer

I have a 2004 envoy which wont move when put into gear. Is this a lockdown mode and how to fix it?


if their is a check engine light have the code read ------no such thing as lock down mode you have limp mode which will let you limp vehicle home or to a shop or off road safely sounds like a transmission problem check fluid --look and smell if it looks burnt brownish and or smells burnt try a flush with a fluid and filter change may gey lucky ---look under vehicle and check the selector cable and connections sometimes disconnect or rot away lastely possible internal problem which would need a transmission specialist to look at

Jun 04, 2016 | 2004 GMC Envoy SLT

1 Answer

I have a 2004 gmc envoy and the security light came on what does this mean?


  1. 2004 GMC Envoy Security light car not start - Questions - Fixya

    www.fixya.com > ... > GMC > Envoy > 2004 GMC Envoy...will not start replaced ignition switch and car will not turn over. Is the security light on ?If your truck has a pass key system, the sensor in the lock may not be ...
    ON GOOGLE

Jul 15, 2015 | GMC Cars & Trucks

1 Answer

2000 envoy wont start and battery is good


That sounds like your security system failed .. are there any lights on the dash or any power at all to the car?? that has happen to me.. this is how I fixed mine and I haven't had any issues with it.. hope it helps

Oct 17, 2014 | 2000 GMC Envoy

1 Answer

My 2004 gmc envoy's dashboard lights wont turn off ( abs I Parking ) and the air wont work.


curious as to the battery and alternators state and condition low voltage or poor charging can cause un-explained faults-is the check engine light on?-if so can you get or retreive dtc's as i'd like to know what you pull for codes. fyi most parts stores will retreive codes for free....some even grant access to mitchell on demand or all data to help diagnose probable faults or at least steer you in the right direction.

Apr 15, 2010 | 2004 GMC Envoy

1 Answer

I have a 204 envoy and my headlights wont turn on


check the relay of the lights. It is normally found under the hood of the car.

Dec 19, 2009 | 2004 GMC Envoy

1 Answer

Brake lights wont work right tail light wont work 2003 gmc envoy


check globes and check brake light switch under dash on brake pedal.

Oct 27, 2009 | 2004 GMC Envoy

1 Answer

Blower motor wont shut off


Check your blower resister in duct right in from of motor. These tend to burn out and short every once in a while

Dec 31, 2008 | 2004 GMC Envoy

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