2009 gmc sierra Service hybird want start need help

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Old 03-10-2019, 09:20 PM
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Default 2009 gmc sierra Service hybird want start need help

My gmc sierra hybird has a message that came up and said service hybird and will not start any help would be appreciated
 
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Old 03-10-2019, 10:16 PM
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Default Re: 2009 gmc sierra Service hybird want start need help

Check 12V with load tester and check codes.
 
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Old 03-11-2019, 04:36 AM
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Default Re: 2009 gmc sierra Service hybird want start need help

I put another 12v battery in it and still no start but there is no codes thanks for the reply
 
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Old 03-11-2019, 09:22 AM
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Default Re: 2009 gmc sierra Service hybird want start need help

Unless you're using a professional grade code reader, there are a lot of hybrid system specific codes that your average consumer code reader can't check. If your car says "service hybrid system" as you indicated, then YOU HAVE CODES.
 
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Old 03-11-2019, 07:34 PM
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Default Re: 2009 gmc sierra Service hybird want start need help

Originally Posted by 2009 gmc hybird View Post
My gmc sierra hybird has a message that came up and said service hybird and will not start any help would be appreciated
Welcome to the club of those who do not start Tahoe
 
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Old 03-11-2019, 08:48 PM
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Default Re: 2009 gmc sierra Service hybird want start need help

I have had many problems out of this truck new transmission new lifters and cam and now the service hybird is on and will not start
 
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Old 03-12-2019, 07:54 AM
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Default Re: 2009 gmc sierra Service hybird want start need help

You need to begin with data... codes
 
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Old 03-16-2019, 08:30 AM
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Default Re: 2009 gmc sierra Service hybird want start need help

Sounds like you have had a LOT of wrenches turned on this vehicle.

I have had many problems out of this truck new transmission new lifters and cam and now the service hybird is on and will not start

I am not sure how recent the transmission work was? but if this were mine I would check the basic/easy stuff.
1. Pull the hybrid battery disconnect and reinstall it being 100% sure it is fully engaged and all 3 steps are done.
2. Do an underbody crawl and check ALL the electrical connectors that you can find especially around the transmission.
3. Check the hybrid battery voltage just for grins and giggles.
4. I guess at this point if I find nothing wrong I would call whomever (stealership?) did the other work to help with it?
 
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