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Chevy Forum: 2011 Silverado 1500 LS Bizarre Problems?
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Old 05-13-2019, 09:43 AM
aslyons001 aslyons001 is offline
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Join Date: May 2019
Posts: 3
Default 2011 Silverado 1500 LS Bizarre Problems?

Hello! I joined this forum specifically for this issue, so hopefully some of you can shed some light on my situation.

I recently purchased the Silverado and was pleased with the condition. After driving it for a few weeks, I've noticed the same set of problems are happening together. I've listed them below:

Check engine light on
Stabilitrak light on
'Service Stabilitrak or Stabilitrak Off' and 'Service Traction Control or Traction Control Off'
Reduced power driving acceleration
Display doesn't show what gear I am in (no bar underneath P,D,R, etc.)

However, every now and then all the above symptoms disappear, and it drives perfectly. It's a quiet ride, with no sputtering/misfiring or bumpy/rough riding. This is so strange--I assumed this is how it drove, and peeled out of my work parking lot thinking that I needed to depress gas all the way just to accelerate at a decent speed.

I go to get the codes checked, but the symptoms disappear every time (conveniently). Does anyone know what I could be dealing with here?
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Old 05-13-2019, 10:33 AM
zora zora is offline
Join Date: Apr 2012
Posts: 3,571
Default Re: 2011 Silverado 1500 LS Bizarre Problems?

who is checking the codes a dealer or a parts store? If a parts store do they have a scanner capable of reading history?
Have you checked the battery terminals to insure they are not loose?
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Old 05-23-2019, 12:41 PM
aslyons001 aslyons001 is offline
Junior Member
Join Date: May 2019
Posts: 3
Default Re: 2011 Silverado 1500 LS Bizarre Problems?

Haven't checked the codes--doing that today.

I replaced the negative battery cable(ground) and it solved the issue for 2 days, now it's back to the same issues.
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