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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 General Tech Q&A > General

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  #1  
Old 12-26-2012, 05:45 PM
chuck42 chuck42 is offline
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2007 Chevy TrailBlazer LS
Carbon Metallic 4.2L I6 2WD
Join Date: Dec 2012
Location: locust grove, ga
Posts: 2
warning lights

I have a 2007 trailblazer ls with the 4.2. randomly driving down the road the abs,traction control and brake light, and traction contol maintenance light will all illuminate followed by the annoying dinging and the will go back off. it does this at random and is driving my wife crazy, any ideas?
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  #2  
Old 12-27-2012, 10:59 AM
novascotiapucks novascotiapucks is offline
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2003 GMC Envoy SLT
Black 4.2L I6 4X4
Join Date: Dec 2012
Location: scotsburn nova scotia canada
Posts: 4
2003 envoy

Hey , I have a 2003 gmc envoy thats doing the same thing. Altmeter also goes down and on ocasion all gauges will float around but truck continues to run perfect. Previous owner had it into dealer and they could find no issues with it. He said it only started doing this after new battery was installed and best could figure was computer needed time to refresh itself and it eventually went away. I put a new battery in 4 days ago and it did this for about 15 miles and stopped but upon starting again this morning it happened again for about the same amount of time.
If you or anyone else have any info on this please share as it is very annoying.
Tim
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  #3  
Old 12-28-2012, 11:30 AM
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GM Customer Svc GM Customer Svc is offline
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2009 Chevy Malibu
Red Jewel Tintcoat Other 2WD
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Quote:
Originally Posted by chuck42 View Post
I have a 2007 trailblazer ls with the 4.2. randomly driving down the road the abs,traction control and brake light, and traction contol maintenance light will all illuminate followed by the annoying dinging and the will go back off. it does this at random and is driving my wife crazy, any ideas?
chuck42,

Has it thrown any codes?

Evan, GM Customer Service
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  #4  
Old 12-28-2012, 12:11 PM
x5rdman x5rdman is offline
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2006 Chevy TrailBlazer LS
Light Pewter Metallic 4.2L I6 2WD
Join Date: Feb 2011
Location: El Paso, TX
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My 2006 did that twice, both times i had to have the ignition switch replaced.
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  #5  
Old 12-28-2012, 12:26 PM
novascotiapucks novascotiapucks is offline
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2003 GMC Envoy SLT
Black 4.2L I6 4X4
Join Date: Dec 2012
Location: scotsburn nova scotia canada
Posts: 4
What was the cost of new ignition switch and how did they determine that was the issue. Mine is not throwing any codes a d according to previous owner dealer found nothing wrong with it.
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  #6  
Old 12-28-2012, 03:02 PM
mr_fons mr_fons is offline
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2007 Chevy TrailBlazer LT
Graystone Metallic 4.2L I6 4X4
Join Date: Sep 2011
Location: Edmonton, AB Canada
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My 07 had the same symptoms as yours and it did come down to being the ignition switch, it’s a twenty minute fix for around fifty dollars. There is a thread on this site on how to do the repair and the most important thing is that the vehicle is in park without the key in the ignition and that when you remove the old ignition switch that you align the teeth the same way on the new unit like it is on the old unit before replacing.

Even with the small problems I've had with my Trailblazer I still love driving it.

Good Luck and Happy New Year.

Fons
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  #7  
Old 12-31-2012, 01:48 AM
x5rdman x5rdman is offline
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2006 Chevy TrailBlazer LS
Light Pewter Metallic 4.2L I6 2WD
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Location: El Paso, TX
Posts: 12
I think the dealer charged me me about 150 to fix.
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  #8  
Old 01-03-2013, 10:47 AM
chuck42 chuck42 is offline
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2007 Chevy TrailBlazer LS
Carbon Metallic 4.2L I6 2WD
Join Date: Dec 2012
Location: locust grove, ga
Posts: 2
i have had no codes and the battery is new. it had not done this since last week when i cleaned the ground cables. now it has done it the last wo days.
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